Cornerstone Research Business Analyst interview experience

No offer

Hard

Neutral

Chicago, ILPosted Dec 2024 · Candidate report, summarized by Dataford

I experienced a mostly average, case-and-behavior interview loop, often starting online and then moving to an in-person superday, with about 1–3 weeks between steps.

Virtual: two consultant interviews — One hour total split across two interviewers; each included a mix of behavioral prompts and an economics/finance case.
Round 1: two back-to-back economic cases — Two ~30-minute case interviews with analysts; the interviewer split the case into connected questions.
Two case rounds, then 4 in-office interviews — A virtual first stage with two cases, followed by an in-person day with four consecutive interviews.
Round 1: two back-to-back 30-minute junior sessions — Motivation plus a technical case; the first round focused on both fit

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