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McKinsey Interviewer Background -> Interview Case?

Hi,

I have my first round McK coming up, and found out, that my interviewer is an experienced hire working in the consumer goods and retail industry and focuses on organizational
design and growth transformation therein. The employment pre-McK was in the same industry.

My questions would be:

1. Can I assume that there is a particularly high chance that the case will have to do with some of the above?

2. Can anyone give me some pointers as to the things I should look into for cases touching the above points, and any must-knows I should keep in mind?


Thanks!

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Top answer
Florian
Coach
on Oct 25, 2022
1400 5-star reviews across platforms | 600+ offers | Highest-rated case book on Amazon | Uni lecturer in US, Asia, EU

Hi there,

1. On the matter of industry-specific cases:

It will be a mix of cases in a domain-relevant context as well as cases set in a completely different context.

Be aware that frameworks were applicable in the 2000 years, the era of Victor Cheng and Case in Point. McK has long caught up on this and the cases you will get during the interviews are tailored in a way to test your creativity and ability to generate insights, not remember specific frameworks.

In fact, it will hurt you when you try to use a framework on a case that calls for a completely different approach. Also, it gives a false sense of security that will translate to stress once you figure out how your approach won't work during the real interview - I have seen this so many times...

Your goal should be to learn how to build issue trees, interpret charts, and perform math no matter the context, industry, or function of the case. I have a system for that, especially for McKinsey cases, that teaches you exactly this approach + a ton of exercises I give my coachees to progress their ability to come up with deep, broad, and insightful answers for each case individually.

2. How to prepare

In the McKinsey interview you will have to answer three different questions types - broadly speaking:

  • Structuring
  • Exhibit Interpretation
  • Math

Now for Structure and Exhibit Interpretation, there is no right or wrong answer. Some answers are better than others because they are

  • deep
  • broad
  • insightful
  • hypothesis-driven
  • follow a strong communication (MECE, top-down, signposted)

That being said, there is no 100% that you can reach or the one-and-only solution/ answer. It is important that your answers display the characteristics specified above and supported well with arguments.

As for Math questions, usually, there are answers which are correct (not always 100% the same since some candidates simplify or round differently - which is ok), and others that are wrong, either due to the

  • calculation approach
  • calculation itself

Now, for the interviewer, the overall picture counts. Mistakes in one area need to be balanced by a strong performance in other areas. McKinsey wants to see spikes in performance in certain areas and a good enough performance in other areas.

The most common example I see almost every day: You can be strong in structure and exhibit, yet make a small mistake in the math section - overall as you might consider 80% - and still pass on to the next round.

If you want to read domain-relevant knowledge, check out recent publications from McKinsey in your area: https://www.mckinsey.com/industries/retail/our-insights

If you want to read more about the interview itself, check out this article I wrote: https://preplounge.com/mckinsey-interview

Cheers,

Florian

Lucie
Coach
on Oct 24, 2022
10+yrs recruiting & BCG Project leader

Hi there, 

1. Can I assume that there is a particularly high chance that the case will have to do with some of the above? → it may be, but not guarantee

2. Can anyone give me some pointers as to the things I should look into for cases touching the above points, and any must-knows I should keep in mind? → I would recommend the generic recommendations

1. familiar yourself with the type of cases you can get https://www.preplounge.com/en/bootcamp.php and check cases published on PrepLounge

2. Practice math!

3. Dont learn any framework by hard, understand rather how to structure a problem and form a hypothesis to prove/disprove with an analysis

4. Practice with peers and take a few sessions with a coach, eventually do one diagnostic session to tell you where you stand and what your next steps should be

Feel free to reach out if you need a coach to support you, I am rewarded as a top BCG trainer, training new hires all the consulting skills (including how we create frameworks), as well as experienced coach. 

Good luck!

Lucie

Was my answer helpful?

Eli
Coach
on Oct 25, 2022
McKinsey New York | Yale graduate | 100+ interviews | Rated Distinctive (top 3% of consultants) in every review cycle

The short answer is that it depends on the title of your interviewer (BA vs. EM vs. Partner). 

BAs/ASCs/EMs have a long list of cases that they can choose to read, but often they'll just give the same case to every interview subject. It's probably a 50/50 bet that these interviewers will give you a case from their practice/functional area.

On the other hand, partners are often SUPER lazy interviewers and will either (1) give you a case from their practice area or (2) anonymize the details of a real engagement that they worked on and present it as a case. If your interviewer is a partner, it's probably an 80/20 bet that you'll get a case relevant to their expertise.

Since this is a first round interview, it's unlikely you'll interview with a partner (it will most likely be a BA/ASC or expert-path interviewer), so I'd be prepared for anything.

Hope that context is helpful!

on Oct 25, 2022
#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success: ➡ interviewoffers.com | Ex BCG | 10Y+ Coaching

Hi there,

1) Can I assume that there is a particularly high chance that the case will have to do with some of the above?

I agree with Eli and Udayan, difficult to say for 1st round, may or may not be. For final, it would have been more likely (but still no guarantees).

2) Can anyone give me some pointers as to the things I should look into for cases touching the above points, and any must-knows I should keep in mind?

Your best bet would be to search for cases on those topics and review them. However, as mentioned in 1), there is no guarantee the case will be necessary on consumer/retail.

Good luck!

Francesco

Ian
Coach
on Oct 24, 2022
Top US BCG / MBB Coach - 5,000 sessions |Tech, Platinion, Big 4 | 9/9 personal interviews passed | 95% candidate success

Hi there,

1. Can I assume that there is a particularly high chance that the case will have to do with some of the above?

Please don't assume. Going in with expectations of x happening sets you up for failure!

Make sure you've read up on that area, but please don't expect this!

2. Can anyone give me some pointers as to the things I should look into for cases touching the above points, and any must-knows I should keep in mind?

There are no must-knows. Learn how to solve any problem in an objective-driven, structured way and you will be just fine. Be ready for anything.

https://www.preplounge.com/en/articles/how-to-shift-your-mindset-to-ace-the-case

Maikol
Coach
on Oct 24, 2022
BCG Project Leader | Former Bain, AlixPartner, and PE | INSEAD MBA | GMAT 780

It is quite likely the interviewer will propose you a case on retail and consumer.

It is difficult to indicate topics that you can study on retail and consumer.
My suggestion is to search for 3-4 cases on the subject (FMCG, retail chain, consumer products sold through some distributor, etc).

Udayan
Coach
on Oct 24, 2022
Top rated Case & PEI coach/Multiple real offers/McKinsey EM in New York /12 years recruiting experience

Personally I do not think that is the case especially for the first round where a lot of times the interviewers are given the case they need to ask by HR.

For partner rounds this is more likely to be a factor.

 

Best,

Udayan

Emily
Coach
on Oct 25, 2022
Ex McKinsey EM & interviewer (5 yrs) USA & UK| Coached / interviewed 300 +|Free 15 min intro| Stanford MBA|Non-trad

It really depends on the interviewer. As an interviewer you get to choose a case from a library of cases. The interviewer may choose one which is in the industry they're in, or they may just really enjoy a case which is in a totally different industry. I'd try to not let this get into your head too much and just focus on ensuring that you feel ready to answer the case questions, whichever they are. 

Good luck!

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