Thomas Fahr Steyer is an American businessman, hedge fund manager, philanthropist, environmentalist, and liberal activist. Steyer is the founder and former co-senior-managing-partner of Farallon Capital and the co-founder of OneCalifornia Bank, which became Beneficial State Bank, an Oakland-based community development bank. Farallon Capital manages $20 billion in capital for institutions and high-net-worth individuals. The firm's institutional investors include college endowments and foundations. Steyer served on the board of trustees at Stanford University from 2007 to 2017. Since 1986, he has been a partner and member of the executive committee at Hellman & Friedman, a San Francisco–based private equity firm.