One round only; it was a typical insurance case for a half hour with a half hour of behaviorals immediately before. Received the call the following week that I had been accepted.
ICG Intern applicants have rated the interview process at Oliver Wyman with 2 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 65.1% positive. This is according to Glassdoor user ratings.
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