I applied online. I interviewed at Cornerstone Research
Interview
Two 30 minute back to back interviews then a series of longer interviews. The first interviews are virtual and the second round has the option of being in person or virtual.
Three behavioral questions and 2 cases led by 2 interviewers. The behavioral questions were not tricky. The interviewers were patient and nice too. Definitely walk through your thoughts out loud and ask for clarification early if you need
I applied online. I interviewed at Cornerstone Research (San Francisco, CA) in Feb 2025
Interview
Straightforward questions, two cases, first interviewer was rude. Little preparatory material on their website. You need to know about basic economics (regression is emphasized). Good luck with your interviews everyone!
Summer Intern applicants have rated the interview process at Cornerstone Research with 3.1 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 38% positive. To compare, the company-average is 69.2% positive. This is according to Glassdoor user ratings.
Candidates applying for Summer Intern roles take an average of 28 days to get hired, when considering 8 user submitted interviews for this role. To compare, the hiring process at Cornerstone Research overall takes an average of 17 days.
Common stages of the interview process at Cornerstone Research as a Summer Intern according to 8 Glassdoor interviews include:
One on one interview: 50%
Phone interview: 25%
Skills test: 25%
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