There were a total of three rounds - all were about an hour long. The first was with the HR manager; other two were with partners. Mostly was case studies, with very limited behavioral questions.
Other Summer Analyst interview reviews for EY-Parthenon
30 minute case study and behavioral interview on campus followed by super day in Chicago with about 3 45 minute interviews. Overall decent experience, though I did not receive an offer.
I applied online. The process took 2 weeks. I interviewed at EY-Parthenon (Boston, MA) in Oct 2022
Interview
One superday, three separate 45 min interviews. 1 behavioral, two cases. 15 min break in between cases. Interviews were all in-person. Interviews can happen in any order, so first interview might be a case