How to prepare for case interview for ZS Associates ?

ZS Round 1 case interview
New answer on Sep 13, 2019
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Anonymous A asked on Sep 12, 2019

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Francesco
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replied on Sep 13, 2019
#1 Expert for Coaching Sessions (3.700+) | 1.300+ Reviews with 100% Recommendation Rate | Ex BCG | 8+ Years of Coaching

Hi Anonymous,

the process to prepare for ZS is the same as for the other consulting firms. ZS has a strong practice in healthcare thus you may receive a case related to that sector; however, you may also get cases related to other industries as well.

As general preparation I would recommend the following:

  1. Define a calendar for your preparation. Identify how many hours you have before your expected interviews, then allocate a time slot for preparation in your calendar for each day, working on the following points.
  2. Read Case In Point or Case Interview Secrets for a general understanding of what a consulting interview is. Don’t focus on the structures proposed in the books though, as they are not good enough nowadays.
  3. Start reading good MBA Consulting Handbooks – you can find several for free online (Insead is a good one to start). Read the cases and try to apply your structure. Whenever you see there is something missing, upgrade your structure with the new insides. Try to read at least a new case per day – in this way you will absorb a lot better the information with constant learning. Structure your remaining daily preparation with at least 5-10 minutes per day for each of the following: market sizing, fit questions and mental math.
  4. After you have read the first 10 cases in books/handbooks and basic theory, start to practice live. There is a relevant part of the interview score that is based on your communication, which you cannot practice at all if you read cases only. Keep track of your mistakes and see if you repeat them. If so, try to identify the source of the mistake (feedback of experienced partners would be particularly useful for this). Be sure to focus on both fit and case.
  5. Once you feel you are not improving anymore, if you have a tight time constraint or if you want a realistic assessment of your level, consider using support from experts to strengthen your performance
  6. Before the interview, be sure to prepare your questions for the interviewer – great way to show you prepare in advance and to connect more with the interviewer for a good final impression.

For additional information please feel free to PM me, I helped several people to prepare for ZS.

Best,

Francesco

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Francesco

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