John O’Brien, Managing Director

John O’Brien is a Managing Director at RockCreek. He was previously a Senior Portfolio Manager at AllianceBernstein in London, where he managed portfolio construction and risk management for the firm’s $60 billion Global Growth Equities strategies.

Before AllianceBernstein, John was CEO of American Express Asset Management International in London, an institutional asset manager with over $30 billion under management and nine investment and research offices around the world. At American Express, john also served as a senior leader of the firm’s Financial Institution’s Group and a Director on the Board of the American Express global mutual fund family, as well as a Trustee of the company’s UK pension plan. John established and ran the firm’s Singapore office, where he oversaw Pan-Asian and Global equity portfolios.

Earlier in his career, John worked at UBS and Nomura International—both in London—focusing on Pan-Asian equities. He earned an MPhil in International Relations from Cambridge University and holds a B.A. in History from Vassar College.