Cornerstone Research Business Analyst interview experience

No offer

Hard

Positive

United StatesPosted Oct 2021 · Candidate report, summarized by Dataford

I interviewed for the Business Analyst role and went through an economics-leaning case-heavy process over roughly a couple of stages in early/mid October, with mixed outcomes but an overall manageable feel.

Round 1 (case + light behavioral) — Two back-to-back ~30-minute interviews; started with a couple behavioral questions, then moved into case work.
Final round / superday (multi-interview, senior-heavy) — Four additional back-to-back interviews (often ~30 minutes each) mixing case and behavioral; one experience also described the second round as involving senior management and more back-to-back sessions.
Superday prep + outcome — Cases were not presented as traditional consulting templates and were described as interviewer-led; despite friendliness and reasonable prompts, I

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