Cornerstone Research Business Analyst interview experience

Got offer

Medium

Positive

GreecePosted Aug 2026 · Candidate report, summarized by Dataford

After a recruiter call, I ended up with two back-to-back interviews on Zoom.

Each one started with a short behavioral component where they asked why the firm and why consulting, and I also had to talk through my own background. Then the conversation shifted into the core work: case discussion. The cases were fairly structured, and each time I got a few minutes—roughly five—to look at the data or charts before I talked through how I was thinking. The vibe felt relaxed once I got going, more like working through a problem with the interviewer than trying to hit one “correct” answer.

About a week later the process moved in person. I had a superday format with four

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