Mercer Healthcare Consulting Analyst interview questions

Applied online and was given a link to do a quick recorded interview with Hirevue. A couple weeks later was asked to come in for a 2 hour interview with 4 other individuals on the team. Interviews all seemed to go very well but a few weeks later I was sent a very uninformative rejection email from an office across the country. I attempted to receive feedback on why I wasn't chosen but never heard back.