John L. Bunce Jr. is a Founder and Managing Director of Greyhawk and he serves as a Senior Advisor to Hellman & Friedman, a private equity firm based in San Francisco. Prior to founding Greyhawk, Bunce was a Managing Director of H&F. Prior to joining H&F, he worked for Lehman Brothers. He has been a director of numerous private and public companies and serves as a director of Arch Capital Group, and several Greyhawk portfolio companies.