Beller has been an investment banker for the past 17 years, the last 11 of which were at Bear Stearns, where he was responsible for managing Bear Stearns' Information Technology/Services Investment Banking practice. Beller is an active member of the Napa Valley Reserve and a board member for CoachArt, a non-profit organization that facilitates free lessons in the arts and athletics for underprivileged, chronically ill children. He is also a member of the President's Leadership Council at Dartmouth College. A member of the California Bar Association, Beller earned his juris doctorate from Stanford University Law School, while simultaneously completing an MBA from Stanford. He received undergraduate degrees in Government and Economics from Dartmouth College.