How to demonstrate your impact in the McKinsey PEI

As an introduction, I recommend in general using the PARADE framework for structuring your McKinsey PEI, and talking about your impact usually goes into the “A” for “Anticipated consequence”.

Since the “PAR” is just to give your interviewer a general understanding of the overall situation within 1-2 minutes (and since the core part of your evaluation is based on your specific “Actions” and “Decision-making rationale”), I am perfectly fine with summarizing your impact on a situation more or less in one sentence as a start.

However, since the “Anticipated consequence” demonstrates the real-life impact of you, it’s common that interviewers follow-up on that and want to understand your real-life impact in more detail. A good approach to go deeper is a structured approach, and a reasonably good structure is according to the typical McKinsey hierarchy Client – Company – Consultant:

  • Client: What was the impact for the end-customer of end-user
  • Company: What was the impact for the company, organization or institution in your specific example
  • Consultant: What was the impact for you as a person?

Please note that also the sequence was starting with “Client” since you will be operating in a highly client-centered service-oriented business.

Below that structure, of course you can (and even should) structure it further into quantitative (at least in ballpark numbers) and qualitative aspects of your impact.

 

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