Cornerstone Research Business Analyst interview experience

No offer

Medium

Positive

Washington, DCPosted Feb 2025 · Candidate report, summarized by Dataford

I went through an average-to-hard case-focused process with back-to-back interviews and interviewer-led case work, spanning roughly a few weeks.

Round 1: 2 back-to-back interviews — Two ~45-minute conversations; the first part briefly touched behavior before switching into case interview questions.
Round 1/2: online then in-person — An initial online interview followed by an in-person stage; cases leaned finance and were built like “real” cases with information released slowly so the interviewer could follow how I reason.
Final round: 4 consecutive sessions — A superday-style day with four back-to-back interviews covering different key skill areas, including problem-solving/analytical thinking and behavioral

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