Team boss Ross Brawn sealed their survival with a management buyout in early March, ensuring most employees initially stayed to help rebuild a fresh team after the under-performing Japanese outfit pulled out of the sport because of the global financial crisis.

BBC: Brawn GP reveal heavy job losses

It's too early to say whether the buyout attracted young and old alike, but Keller thinks some are leaving because they see more trouble ahead for GM.

NPR: Thousands of GM Workers Take Buyouts

Buyout pros say returns during the early years of a fund often improve later as investments are sold.

WSJ: Private-Equity Firms Forced to Evolve