marketing case study interview examples

Hacking the Case Interview

If you are interviewing for a consulting firm or marketing firm, expect to be given several case interviews or case study interviews during your interview process. You’ll need to ace every one of your case interviews in order to land a job offer.

If you have an upcoming marketing case interview, don’t worry because we have you covered. In this comprehensive article, we’ll cover:

• What is a marketing case interview?
• The 7 steps to solve any marketing case interview
• Marketing case interview framework
• Marketing case interview examples
• Recommended marketing case interview resources

If you’re looking for a step-by-step shortcut to learn case interviews quickly, enroll in our case interview course . These insider strategies from a former Bain interviewer helped 30,000+ land consulting offers while saving hundreds of hours of prep time.

What is a Marketing Case Interview?

Case interviews are a special type of interview that every single consulting firm uses. They are almost exclusively used by consulting firms, although some companies with ex-consultants may also use them.

A case interview, also known as a “case” for short, is a 30 to 45-minute exercise in which you and the interviewer work together to develop a recommendation or answer to a business problem.

For marketing case interviews, you’ll be given a business problem that has to do with designing or selling a product. Examples of the types of marketing case interview questions you could be given include:  

• How would you market [product X] to [customer segment X]?
• How would you decide what product to design for [customer segment X]?
• How would you decide which customer segment to target for [product X]?

Case interviews are used by consulting firms because they are the best way for firms to predict which candidates will make the best consultants. Case interviews do not predict this perfectly, but they come quite close.

Since case interviews simulate the consulting job by placing you in a hypothetical business situation, interviewers use case interviews to see how you would perform as a hypothetical consultant.

Many of the skills and qualities needed to successfully complete a case interview are the same skills and qualities needed to successfully finish a consulting case project. These skills and qualities include:

• Logical, structured thinking : Consultants need to be organized and methodical in order to work efficiently.
• Analytical problem solving : Consultants work with a tremendous amount of data and information in order to develop recommendations to complex problems.
• Business acumen : A strong business instinct helps consultants make the right decisions and develop the right recommendations.
• Communication skills : Consultants need strong communication skills to collaborate with teammates and clients effectively.
• Personality and cultural fit : Consultants spend a lot of time working closely in small teams. Having a personality and attitude that fits with the team makes the whole team work better together.

Case interviews also give you a sense of whether you would like the consulting job. If you find case interviews interesting and exciting, you’ll likely enjoy consulting. If you find case interviews dull and boring, consulting may not be the best profession for you.

The 7 Steps to Solve Any Marketing Case Interview

Although you cannot predict the exact case interview question or business situation you’ll be given, almost all case interviews follow a similar structure or flow. Therefore, you can follow these seven steps to solve any marketing case interview.

1. Understand the case background information

The case interview will start with the interviewer explaining the case background information. Make sure that you are taking notes while the interviewer is speaking. You’ll want to focus specifically on understanding the context, the company, and the objective of the case.

The most important part of the case interview is to make sure you understand the business issue and objective of the case. Addressing the wrong business problem is the quickest way to fail a case interview.

2. Ask clarifying questions

Once the interviewer has finished giving you the case information, you’ll have an opportunity to ask questions. 

While you can ask any question that you want, try to prioritize asking questions that help you better understand the situation and problem. You want to avoid asking questions that are too specific or not relevant to understanding the case situation. 

Most candidates ask between one to three questions. You’ll be able to ask more questions later in the case interview if you need to.

3. Summarize the information and verify the objective

Once you have finished asking your immediate questions, summarize all of the major case information and verify that you understand the objective correctly.

In this step, many candidates make the mistake of stating every fact of the case verbatim. Instead, you should summarize the case concisely and clearly in your own words. This demonstrates that you can synthesize information effectively.

4. Develop a framework

The next step is to structure a framework to help guide you through the case.

A case interview framework is a tool that helps you structure and break down a complex problem into simpler, smaller components. Think of a framework as brainstorming different ideas and organizing them into different categories.

To develop a framework, ask yourself what are the three to four major questions that you need to answer in order to make a confident recommendation?

Many candidates make the mistake of using memorized frameworks and applying them to their case interviews. Interviewers can tell when you are using a memorized framework because not all of the elements of the framework will be relevant to the case.

Using a memorized framework reflects poorly on your capabilities because it shows that you cannot think critically for yourself. Therefore, practice creating unique and tailored frameworks for each case that you get.

We’ll go over how to create outstanding marketing case interview frameworks in the next section of this article.

When creating your framework, it is acceptable to ask the interviewer for a few minutes of silence to collect your thoughts. Afterwards, present your framework to the interviewer.

5. Kick off the case

Once you have finished presenting your framework, the interviewer may agree with your approach or may provide some feedback or suggestions. Afterwards, it is time to start solving the case.

How the case investigation will start depends on whether your case is a candidate-led or interviewer-led case . Most cases are candidate-led.

Candidate-led case : In this type of case, you will be expected to drive the direction of the case. You will be suggesting what areas to explore, what analyses to do, and what the next step should be. So, pick an area of your framework to start analyzing. There is no right or wrong area to pick as long as it is relevant to solving the case.

Interviewer-led case : In this type of case, the interviewer will be leading the direction of the case. They will be asking you specific questions that you will answer. After each question, they’ll direct you to the next question. For interviewer-led cases, the interviewer will typically kick off the case by asking you a question after you finish presenting your framework.

6. Answer quantitative and qualitative questions

The majority of the interview will be spent answering a mix of quantitative and qualitative questions.

Quantitative questions may have you estimate the size of a particular market, perform some calculations to determine profitability, or interpret various charts and graphs.

When solving quantitative problems, make sure that you walk the interviewer through your approach before you begin doing any math. When performing calculations, make sure to talk through your steps out loud so that it is easy for the interviewer to follow your work.

Qualitative questions may ask you to brainstorm potential ideas or ask for your judgment on an open-ended business question. When answering these questions, try to structure your answer as much as possible.

After answering each question, make sure that you take your answer and connect it back to the overall case objective. How does your answer help you solve the case? How does your answer impact your potential recommendation?

7. Deliver a recommendation

At the end of the case, the interviewer will ask you to prepare an overall recommendation. It is acceptable to ask the interviewer for a minute to look through your notes before you give your recommendation.

Based on the quantitative and qualitative questions you have answered, what recommendation do they collectively support?

Structure your recommendation in the following way:

• State your recommendation
• Provide the two to three reasons that support your recommendation
• Propose next steps that you would take if you had more time

After you deliver your recommendation, the interviewer will conclude the case interview. If the case interview was based on a real life project, the interviewer may explain what actually happened in the case.

Don’t worry if your recommendation does not match what actually happened during the project. For case interviews, you are not assessed on your answer, but on your process.

Marketing Case Interview Framework

The only framework you need to know for marketing case interviews is the 5C’s + STP + 4P’s framework. Although this is the only marketing framework you need to know, we do not recommend that you simply memorize this framework and use it in every single marketing case interview.

Instead, we recommend that you fully understand each of the individual elements in this framework such that you can use specific elements here and there to piece together your own unique framework. We’ll have examples of how exactly to do this in the next section of the article.

At a high level, here’s how the 5C’s + STP + 4P’s framework is organized:

• 5 C’s : Helps analyze the business situation before making any marketing decisions
• STP : Helps identify which customer segment to target
• 4 P’s : Helps develop a strategy to implement marketing decisions

Let’s go through each of these components to understand the specific elements in each.

The goal of the 5 C’s framework is to collect and gather all of the relevant and necessary background information in order to make an informed marketing decision. 5 C’s stands for: company, collaborators, customers, competitors, and context.

• What products does the company have?
• What competitive advantages does the company have?
• What are the company’s goals?
• What is the company’s brand image?

Collaborators

• Who are the company’s suppliers and distributors?
• Who are the company’s investors?
• Who has the company partnered with?
• What other relationships does the company have with third parties?
• Who are the company’s customers?
• What are customer needs and preferences?
• What are customer purchasing habits or behaviors?
• What are customer perceptions of the company?

Competitors

• Who are the company’s competitors?
• What are competitors’ strengths and weaknesses?
• What are competitors’ strategies and tactics?
• Who are the new potential threats?
• What are the laws and regulations in this industry?
• What are the economic trends?
• What are the new emerging technologies?
• What are social or behavioral trends?

Having knowledge of these five elements will help you with the next part of the framework, STP.

The goal of STP is to help you identify which customer segment to target or focus on. There are three steps to STP: segmentation, targeting, and positioning.

Segmentation

The first step is to understand how the market is segmented. Customers have a wide variety of needs and preferences. Therefore, a broad marketing strategy targeting every customer will not be as effective as a tailored marketing strategy focused on a specific customer segment.

You will need to decide what type of segmentation makes the most sense for your product. You can segment customers on needs, use cases, or various demographics, such as age, geography, income, lifestyle, and attitudes.

At the end of this step, you should have a list of the different customer segments.

The next step is to evaluate the attractiveness of each segment and choose a target segment to focus on. There are many different factors to consider when selecting a target segment:  

• Which segment is the largest?
• Which segment is growing the quickest?
• What segment is the most profitable?
• Which segment is the most accessible?
• Which segment is the best fit for your product?
• Which segment has the potential for the most improvement?
• Which segment is the most influenced by marketing?

Once you have selected a customer segment to focus on, you can move onto the next step, developing a positioning statement.

Positioning

In this final step, you will determine how to position and communicate the product to potential customers.

Your positioning and communication of the product should be tailored to the specific needs and preferences of the customer segment you have decided to focus on. In determining how to position the product, ask yourself the following questions:

• What makes this customer segment different from others?
• What does this customer segment value?
• What are the attitudes or beliefs of this customer segment?

Below are a few examples of positioning statements from well-known companies:

• Amazon : For customers who want to purchase a wide variety of products online, Amazon offers a one-stop shopping experience
• Apple : For technology users who want a seamless experience, Apple leads the industry with the most innovative and easy-to-use products
• Disney : For consumers looking for unique entertainment, Disney provides magical memories and experiences

Having a positioning statement will help you decide the best way to market the product. To do that, you will move onto the next framework, the 4 P’s.

The goal of the 4 P’s is to develop an actionable strategy to market the product to the targeted customer segment. 4 P’s stands for product, place, promotion, and price.

If there are multiple products or different versions of a product, you will need to decide which product to market. To do this, you will need to fully understand the benefits and points of differentiation of each product.

Select the product that best fits customer needs and the positioning statement you developed for the segment you are focusing on.

You will need to decide where the product will be sold to customers. Different customer segments have different purchasing habits and behaviors. Therefore, some distribution channels will be more effective than others.

Should the product be sold directly to the customer online? Should the product be sold in the company’s stores? Should the product be sold through retail partners instead?

You will need to decide how to spread information about the product to customers. Different customer segments have different media consumption habits and preferences. Therefore, some promotional strategies will be more effective than others.

Promotional techniques and strategies include advertising, social media marketing, email marketing, search engine marketing, video marketing, and public relations. Select the strategies and techniques that will be the most effective.

You will need to decide how to price the product. Pricing is important because it determines the profits and the quantity of units sold. Pricing can also communicate information on the quality or value of the product.

If you price the product too high, you may be pricing the product above your customer segment’s willingness to pay. This would lead to lost sales.

If you price the product too low, you may be losing potential profit from customers who were willing to pay a higher price. You may also be losing profits from customers who perceive the product as low-quality due to a low price point.

In deciding on a price, you can consider the costs to produce the product, the prices of other similar products, and the value that you are providing to customers.

Marketing Case Interview Examples

By now, you should understand the components and elements of the only marketing case interview framework that you need to know. We’ll go through a few examples of how to use specific elements of the 5 C’s + STP + 4 P’s to create unique and tailored frameworks to marketing case interview questions.

Example #1: How would you market [product X] to [customer segment Y]?

How to answer: In order to decide how to best market a product, you need to first understand what the customers’ needs are. Next, you’d need to develop a positioning statement or value proposition for your product that addresses these needs. Finally, there are specific implementation decisions you would need to make that include how much to sell the product for and where to sell the product.

Therefore, your framework could look like the following:

• Customer needs: What are customer needs and preferences? What pain points or problems do they face?
• Value proposition: What is the positioning statement for the product? What value will it add to customers?
• Implementation: What should the optimal price be? How should the product be advertised? Where should the product be sold?

Example #2: How would you decide what product to design for [customer segment X]?

How to answer: For this question, you’ll need to understand the customer segment’s needs, preferences, behaviors, and purchasing habits. You’ll likely also need to look at competitors to see what kinds of products they offer. Finally, you can then decide on product features or characteristics based on this information.

• Competition: Who are the major competitors to the product that you’d be designing? What are their strengths and weaknesses?
• Product design: What product qualities and features are lacking in competitors’ products that customers have a need for?

Example #3: How would you decide which customer segment to target for [product X]?

How to answer: For this question, you’ll first need to understand what are the different customer segments and the characteristics of each customer segment that make them different from one another. You’ll also need to better understand the product to see which customer segment the product fits best with. Finally, you’ll likely need to calculate expected profitability of targeting each customer segment to see which is most attractive.

Therefore, your framework could look like the following:  

• Customer segment attractiveness: What are the different customer segments? What are the characteristics or behaviors of each segment? What are their needs or preferences?
• Product qualities: What are the characteristics of the product? What pain points or problems does the product solve for?
• Profitability: What are the expected revenues of targeting each customer segment? What are the expected costs? What are the expected profits?

More marketing case interview examples and practice

For more practice, check out our article on 23 MBA consulting casebooks with 700+ free practice cases .

In addition to marketing case interviews, we also have additional step-by-step guides to: profitability case interviews , market entry case interviews , growth strategy case interviews , M&A case interviews , pricing case interviews , operations case interviews , and private equity case interviews .

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• Resume Review & Editing : Transform your resume into one that will get you multiple consulting interviews

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• Comprehensive Case Interview Course (our #1 recommendation): The only resource you need. Whether you have no business background, rusty math skills, or are short on time, this step-by-step course will transform you into a top 1% caser that lands multiple consulting offers.
• Case Interview Coaching : Personalized, one-on-one coaching with a former Bain interviewer.
• Hacking the Case Interview Book   (available on Amazon): Perfect for beginners that are short on time. Transform yourself from a stressed-out case interview newbie to a confident intermediate in under a week. Some readers finish this book in a day and can already tackle tough cases.
• The Ultimate Case Interview Workbook (available on Amazon): Perfect for intermediates struggling with frameworks, case math, or generating business insights. No need to find a case partner – these drills, practice problems, and full-length cases can all be done by yourself.

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35 Case Interviews Examples from MBB / Big Four Firms

Studying case interview examples is one of the first steps in preparing for the  management consulting  recruitment process. If you don’t want to spend hours searching the web, this article presents a comprehensive and convenient list for you – with 35 example cases, 16 case books, along with a case video accompanied by detailed feedback on tips and techniques.

A clear understanding of “what is a case interview” is essential for effective use of these examples. I suggest reading our  Case Interview 101  guide, if you haven’t done so.

McKinsey case interview examples

Mckinsey practice cases.

• Diconsa Case
• Electro-Light Case
• GlobaPharm Case
• National Education Case

What should I know about McKinsey Case interviews?

At McKinsey, case interviews often follow the interviewer-led format , where the interviewer asks you multiple questions for you to answer with short pitches.

How do you nail these cases? Since the questions can be grouped into predictable types, an efficient approach is to master each question type. However, do that after you’ve mastered the case interview fundamentals!

For a detailed guide on interviewer-led cases, check out our article on McKinsey Case Interview .

BCG & Bain case interview examples

Bcg practice cases.

• BCG – Written Case – Chateau Boomerang

Bain practice cases

• Bain – Coffee Shop Co.
• Bain – Fashion Co.
• Bain – Mock Interview – Associate Consultant
• Bain – Mock Interview – Consultant

What should I know about BCG & Bain case interviews?

Unlike McKinsey, BCG and Bain case interviews typically follow the candidate-led format – which is the opposite of interviewer-led, with the candidate driving the case progress by actively breaking down problems in their own way.

The key to acing candidate-led cases is to master the case interview fundamental concepts as well as the frameworks.

Some BCG and Bain offices also utilize written case interviews – you have to go through a pile of data slides, select the most relevant ones to answer a set of interviewer questions, then deliver those answers in a presentation.

For a detailed guide on candidate-led cases, check out our article on BCG & Bain Case Interview .

Deloitte case interview examples

Deloitte practice cases.

Undergrad Cases

• Human Capital – Technology Institute
• Human Capital – Agency V
• Strategy – Federal Benefits Provider
• Strategy – Extreme Athletes
• Technology – Green Apron
• Technology – Big Bucks Bank
• Technology – Top Engine
• Technology – Finance Agency

Advanced Cases

• Human Capital – Civil Cargo Bureau
• Human Capital – Capital Airlines
• Strategy – Club Co
• Strategy – Health Agency
• Technology – Waste Management
• Technology – Bank of Zurich
• Technology – Galaxy Fitness

What should I know about Deloitte case interviews?

Case interviews at Deloitte also lean towards the candidate-led format like BCG and Bain.

The Deloitte consultant recruitment process also features group case interviews , which not only test analytical skills but also place a great deal on interpersonal handling.

Accenture case interview examples

Accenture divides its cases into three types with very cool-sounding names.

Sorted in descending order of popularity, they are:

These are similar to candidate-led cases at Bain and BCG. albeit shorter – the key is to develop a suitable framework and ask the right questions to extract data from the interviewer.

These are similar to the market-sizing and guesstimate questions asked in interviewer-led cases – demonstrate your calculations in structured, clear-cut, logical steps and you’ll nail the case.

These cases have you sort through a deluge of data to draw solutions; however, this type of case is rare.

Capital One case interview examples

Capital One is the odd one on this list – it is a bank-holding company. Nonetheless, this being one of the biggest banks in America, it’s interesting to see how its cases differ from the consulting ones.

Having gone through Capital One’s guide to its cases, I can’t help but notice the less-MECE structure of the sample answers. Additionally, there seems to be a greater focus on the numbers.

Nonetheless, having a solid knowledge of the basics of case interviews will not hurt you – if anything, your presentation will be much more in-depth, comprehensive, and understandable!

See Capital One Business Analyst Case Interview for an example case and answers.

Other firms case interview examples

Besides the leading ones, we have some examples from other major consulting firms as well.

• Oliver Wyman – Wumbleworld
• Oliver Wyman – Aqualine
• LEK – Cinema
• LEK – Market Sizing
• Kearney – Promotional Planning
• OC&C – Imported Spirits
• OC&C – Leisure Clubs

Consulting clubs case books

In addition to official cases, here are a few case books you can use as learning materials.

Do keep in mind: don’t base your study on frameworks and individual case types, but master the fundamentals so you can tackle any kind of case.

• Wharton Consulting Club Case Book
• Tuck Consulting Club Case Book
• MIT Sloan Consulting Club Case Book
• LBS Consulting Club Case Book
• Kellogg Consulting Club Case Book
• INSEAD Consulting Club Case Book
• Harvard Consulting Club Case Book
• ESADE Consulting Club Case Book
• Darden Consulting Club Case Book
• Berkeley Consulting Club Case Book
• Notre-Dame Consulting Club Case Book
• Illinois Consulting Club Case Book
• Columbia Consulting Club Case Book
• Duke Consulting Club Case Book
• Ross Consulting Club Case Book
• Kearney Case Book

Case interview example – Case video

The limitation of most official case interview examples is that they are either too short and vague, or in text format, or both.

To solve that problem for you, we’ve extracted a 30-minute-long, feedback-rich case sample from our Case Interview End-to-End Secrets Program .

This is a candidate-led, profitability case on an internet music broadcasting company called Pandora.

In 30 minutes, this candidate demonstrates the exact kind of shortcoming that most candidates suffer during real case interviews – they come in with sharp business senses, then hurt their own chances with inadequate techniques.

Here are seven notable areas where the candidate (and you) can improve:

Thanking Throughout the case, as especially in the opening, he should have shown more appreciation for the time the interviewer spent with him.

Structured opening The candidate’s opening of the case feels unstructured. He could have improved it by not mixing the playback and clarification parts. You can learn to nail the case in a 3-minute start through this video on How to Open Any Case Perfectly .

Explicitness A lot of the candidate’s thought process remains in his head; in a case interview, it’s better to be as explicit as possible – draw your issue tree out and point to it as you speak; state your hypothesis when you move into a branch; when you receive data, acknowledge it out loud.

Avoiding silence The silence in his case performance is too long, including his timeout and various gaps in his speech; either ask for timeout (and keep it as short as possible) or think out loud to fill those gaps.

Proactivity The candidate relies too much on the interviewer (e.g: asking for data when it can easily be calculated); you don’t want to appear lazy before your interviewer, so avoid this.

Avoiding repeating mistakes Making one mistake twice is a big no-no in consulting interviews; one key part of the consulting skill set is the ability to learn, and repeating your mistakes (especially if the interviewer has pointed it out) makes you look like someone who doesn’t learn.

Note-taking Given the mistakes this candidate makes, he’s probably not taking his notes well. I can show you how to get it right if you watch this video on Case Interview Note-Taking .

Nonetheless, there are three good points you can learn from the candidate:

The candidate sums up what he’s covered and announces his upcoming approach at the start and at key points in the case – this is a very good habit that gives you a sense of direction and shows that you’re an organized person.

The candidate performs a “reality check” on whether his actions match the issue tree; in a case interview it’s easy to lose track of what you’re doing, so remember to do this every once in a while.

The candidate prompts the interviewer to give out more data than he asked for; if anything, this actually matches a habit of real consultants, and if you’re lucky, your interviewer may actually give out important pieces you haven’t thought of.

These are only part of the “ninja tips” taught In our Case Interview E2E Secrets Program – besides the math and business intuition for long-term development, a key feature is the instant-result tips and techniques for case interviews.

Once you’ve mastered them, you can nail any case they throw at you!

For more “quality” practice, let’s have a mock case interview with former consultants from McKinsey, BCG, Bain, Oliver Wyman, Strategy& and many other consulting firms. They will help you identify your problem areas and give you actionable feedback, making your preparation much easier and faster.

Hi! This is Kim and welcome to another performance in the Tips & Techniques part of our amazing End-to-end program. You are about to hear a really interesting performance.

There is a common Myth that Profitability cases are easier. Well, for beginners, that’s may make sense, but I would argue that Profitability cases can be really tricky and candidates without good foundation will make about the same level of mistakes regardless of type of cases given.

The profitability case we are about to watch will show that. It’s a very unconventional

Profitability. It started out like a typical one but getting more and more tricky toward the end.

The candidate is fairly good in term of business intuition, but the Tips & Techniques aspect needs a lot of fine tune! Now let’s go ahead and get started! 

It’s actually a little better to playback the case information and ask clarifications. The candidate does not distinguish between the two and do both at a same time. Also, the candidate was asking these clarifications in an unorganized and unstructured fashion. This is not something terrible, but could have been better, especially when this is the very first part of the case, where the crucial first impression is being formed.

My pitch would sound like this:

“That’s a very interesting problem and I am happy to get the chance to solve it. First of all let me tell you my understanding of the case context and key objectives. Then I would like to ask a few clarifying questions regarding a few terminology and concepts. Both of these are to make sure that I will be solving the right problem.

So here is my understanding of the case: The client is ABC. Here are some DEF facts about the situation we just talked about. And the key case question is XYZ.

Does that correctly and adequately summarize the case?”

Once the interviewer confirms, I would move to the clarification part as follows: “Now I would like to ask a few clarification questions. There are three of them: No 1, … No 2, … and No 3, …”

You may see above pitch as obvious but that’s a perfect example of how you should open any cases. Every details matters. We will point out those details in just a second. But before we do that, it’s actually very helpful if you can go back, listen carefully to the above pitch, and try to point out the great components yourselves. Only after that, go back to this point and learn it all together.

Alright, let’s break down the perfect opening.

First of all, you hear me say: “That’s a very interesting problem and I am happy to get a chance to solve it”. This seems trivial but very beneficial in multiple ways:

1. I bought myself a couple of seconds to calm down and get focused. 2. By nature, we as human unconsciously like those who give us compliments. Nothing better than opening the case with a modest compliment to the interviewer.

And (c) I showed my great attitude towards the case, which the interviewer would assume is the same for real future consulting business problems.

You should do that in your interviews too. Say it and accompany it with the best smile you can give. It shows that you are not afraid of any problems. In fact, you love them and you are always ready for them.

Secondly, I did what I refer to as the “map habit”, which is to always say what you are about to do and then do it. Just like somebody in the car showing the drivers the route before cruising on the road. The driver would love it. This is where I said: “Let me tell you my understanding of the case context and key objectives. Then ABC…”.

Third, right at the beginning of the case, I try to be crystal clear and easy to follow. I don’t let the interviewer confused between playing the case vs. asking clarification questions. I distinguish between the two really carefully. This habit probably doesn’t change the outcome of how the case goes that much, but it certainly significantly changes the impression the interviewer has of me.

Fourth, in playing back the case, each person would have a different way to re-phrase. But there are three buckets to always include:

1. Who is the client 2. The facts regarding the client and the situation and (c) The key question and the objective of the case.

Fifth, after playing the case context and objectives, I pause for a second and ALIGN with the interviewer: “Does it correctly and adequately summarize the case?”. This is a habit that every consulting manager loves for young consultants to do. Nobody wants first-year folks to spend weeks of passion and hard-work building an excel model that the team can’t use. This habit is extensively taught at McKinsey, Bain and BCG, so therefore interviewers would love somebody that exhibits this habit often in case interview.

Lastly, when asking clarification questions, you hear me number them very carefully to create the strong impression that I am very organized and structured. I said I have three clarifying questions. Then I number them as I go through each. No.1, No.2, and No.3.

Sometimes, during interviews it’s hard to know exactly how many items you are going to get. One way is to take timeout often to carefully plan your pitch. If this is not possible in certain situations, you may skip telling how many items you have; but you should definitely still number your question: No.1, No.2; and so on. 

Just a moment ago, the candidate actually exhibited a good habit. After going through his clarification questions, the candidate ended by asking the “is there anything else” question. In this case, I actually give out an important piece of data.

Though this is not very common as not every interviewer is that generous in giving out data. But this is a habit management consultants have to have every day when talking to experts, clients, or key stakeholders. The key is to get the most data and insights out of every interview and this is the type of open-ended question every consultant asks several times a day.

To show of this habit in a case interview is very good!

There are three things I would like you to pay attention to:

First, it took the candidate up to 72 seconds to “gather his thoughts”. This is a little too long in a case interview. I intentionally leave the 72 seconds of silence in the recording so you get an idea of how long that is in real situations. But it’s worth-noting here is not only that. While in some very complicated and weird cases, it’s ok to take that long to really think and gather ideas. In this case, the approach as proposed by the candidate is very simple. For this very approach, I think no more than 15 to 20 seconds should be used.

No.2, with that said, I have told I really like the fact that this candidate exhibits the “map” habit. Before going straight to the approach he draws the overall approach first.

No.3. You also see here that the candidate tried to align the approach with me by asking my thoughts on it. As I just said on the previous comment, this is a great habit to have. Not only does it help reduce chance of going into the wrong direction in case interviews, but it also creates a good impression. Consulting interviewers love people doing it often!

Here we see a not-really-bad response that for sure could be much better. The candidate was going into the first branch of the analysis which is Revenue. I would fix this in 3 aspects:

First, even though we just talked about the overall approach, it’s still better to briefly set up the issue tree first then clearly note that you are going into one branch.

Second, this is not a must, but I always try to make my hypothesis as explicitly clear as possible. Here the candidate just implicitly made a hypothesis that the problem is on the revenue side. The best way to show our hypothesis-driven mindset is to explicitly say it.

Third, you hear this a ton of times in our End-to-End program but I am going to repeat it again and again. It is better to show the habit of aligning here too. Don’t just go into revenue, before doing that, give the interviewer a chance to agree or to actually guide you to Cost.

So, summarizing the above insights, my pitch would sound something like this:

“So as we just discussed, a profit problem is either caused by revenue or by cost. Unless you would like to go into cost first, let’s hypothesize that the problem is on revenue side. I would like to look deeper into Revenue. Do we have any data on the revenue?”

And while saying this, you should literally draw an issue tree and point to each as you speak.

There is an interesting case interview tip I want to point out here. Notice how the candidate responds after receiving two data points from me. He went straight into the next question without at least acknowledging the data received and also without briefly analyzing it.

I am glad that the candidate makes this mistakes… well, not glad for him but for the greater audience of this program. I would like to introduce to you the perfect habit of what you should react and do every time you have any piece of data during case interviews. So three things you need to do:

Step 1: Say … that’s an interesting piece of data. This helps the interviewer acknowledge that you have received and understand the data. This also buys you a little time. And furthermore, it’s always a good thing to give out modest compliments to the interviewer.

Step 2: Describe the data, how it looks, is there any special noteworthy trend? In this case, we should point out that revenue actually grew by more than 50%.

Also notice here that I immediately quantified the difference in specific quantitative measurement (in this case, percentage). Saying revenue went up is good, but it’s great to be able to say revenue went up by more than 50%.

Step 3: Link the trend identified back to the original case question and the hypothesis you have. Does it prove, disprove, or open up new investigation to really test the hypothesis? In this case, this data piece actually opened up new investigating areas to test the hypothesis that the bottleneck is within revenue.

My sample pitch for this step 3 would sound like this: “It’s interesting that revenue went up quite a bit. However, to be able to fully reject our hypothesis on the revenue, I would like to compare our revenue to that of the competitors as well.”

Then only at this point, after going through 3 steps above, I ask for the competitors’ revenue like the candidate did.

Notice here that I ended up asking the same question the candidate did. This shows that the candidate does have a good intuition and thought process. It’s just that he did all of these implicitly on his head.

In consulting case interview, it’s always good to do everything as explicitly as possible. Not only is it easier to follow but it helps show your great thought process.

… the rest of the transcript is available in our End To End Case Interview

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