Updated September 2026 · By Dr. Florian Smeritschnig, former McKinsey Senior Consultant Market sizing questions ask you to estimate the size of a market, like the number of pizzas sold in the US each year, with no data and no calculator. You answer them in six steps: clarify, structure, assume, calculate, sanity-check, and interpret. Interviewers score…
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By Florian Smeritschnig, former McKinsey Senior Consultant · Updated September 2026 MECE stands for mutually exclusive, collectively exhaustive. It is a way of splitting a problem into buckets that do not overlap (mutually exclusive) and that leave nothing important out (collectively exhaustive). In a case interview, a MECE structure breaks the problem into clean, complete…
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Updated July 2026. By Florian Smeritschnig, former McKinsey Senior Consultant. An online case interview is a normal consulting case interview run over video, almost always on Zoom, and the firm scores it with the exact same criteria it uses in person: your structure, your math, and how clearly you communicate. What changes is everything around…
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By Florian Smeritschnig, former McKinsey Senior Consultant · Updated September 2026 Case interview brainstorming asks you to generate ideas (usually the causes of a problem or the options to solve it) out loud, and it tests structured creativity: the interviewer grades whether your ideas are broad, deep, organized into MECE buckets, and insightful, not how…
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By Florian Smeritschnig, former McKinsey Senior Consultant · Updated June 2026 Good case interview communication means leading with your answer, signposting and numbering your points, cutting the filler, and listening closely to the interviewer. It is scored as heavily as your analysis, because the same structured thinking, delivered top-down and concisely, is what makes you…
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Florian spent five years at McKinsey as a Senior Consultant and is a highly experienced consulting interviewer and problem-solving coach. Having conducted interviews with hundreds of candidates, he understands exactly what top-tier firms look for in successful applicants.
He founded StrategyCase.com to make top consulting careers more accessible by providing tailored, up-to-date insights into the recruiting process. Recognized as the most successful case and fit interview coach, Florian has helped his clients secure 700+ offers at MBB, Tier-2 firms, Big 4 consulting divisions, in-house consultancies, and boutique firms over the past four years.
He is the author of “The 1%: Conquer Your Consulting Case Interview,” “The 1%: Case Interview Workbook,” and “Consulting Career Secrets”, all available on Amazon.
