Case Interview Articles

What is MECE (Mutually Exclusive Collectively Exhaustive)? MECE (pronounced “me see”) or Mutually Exclusive Collectively Exhaustive is a principle often used by management consulting firms such as McKinsey to describe a way of organizing information that is “Mutually Exclusive, Collectively Exhaustive”. MECE is a systematic problem-solving framework that helps to solve complex problems. It can [...]

Imagine you’ve practiced your cases relentlessly. You get to your McKinsey case interview. You’re nervous. You hope you do well. You hear the case. And then… You solve it perfectly… … and still get rejected. It used to be that all you had to do was pass the case to get an offer. Every few [...]

Success Story: Hope you are doing well. I just received an offer from McKinsey and Co for an Associate role. I am doing an MBA from a non-core school, therefore it was really hard for me to prepare for case interviews and reach the interview stage. I prepared for Mckinsey interviews by practicing more than [...]

Question: Really enjoying your materials. 2 questions: 1) Related to [my post on How to Structure a Case Interview ]. On the answer in your website you try to come up with frameworks that are MECE. I am having trouble understanding why the “old/new products and old/new customers” segmentation is MECE but the “old/new products [...]

Question: With only a few days to prepare for the 1st round interview with McKinsey, I listened to your material (LOMS) and was invited to the 2nd round. Now, I’m struggling with the change in the interview format (interviewer-led x candidate-led). I’m having difficulty prioritizing the areas of analysis (in the 1st round I didn’t [...]

Question about a Written Case Interview: I have made the second round interview at a consulting firm. I was expecting to have a case interview face-to-face, however I have been advised in this round the format will be a written case where I need to prepare a powerpoint presentation from a large amount of reports, [...]

Following is a field report from a reader that interviewed with four firms and got offers from both McKinsey and Bain. He reports on the interview process at these firms and shares the preparation method that contributed to his success. Success Story: A couple of weeks ago, I send you an e-mail to let you [...]

I’m often fond of saying that: Math Never Lies, But It Does Often Mislead Let me give you an example to illustrate this point. Let’s say you use math to analyze a client and discover they generate $100 million in profit. Is this good or bad? It’s a simple question. From a math perspective, all [...]

Question: I need your advice, I know your website is very detailed and I can find whatever I want. But I want to address you directly my situation.  I have an interview in 2 months with McKinsey, which is a good thing. The problem is I had rejections from BCG, Bain and Booz and I [...]

Question: I’m really hoping you reply to this email if you get the time. I have final round interviews with Roland Berger on Saturday morning. I’ve done a couple of interviews so far and apparently they went well. I watched all your videos and they have been extremely helpful. I have a question though: when [...]

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