John Mack Photo

John Mack

Managing Director, Operations & Client Accounting

John Mack has responsibility for OHA’s operational functions, including trade processing and settlement, valuation, reconciliation, data maintenance and treasury. Mr. Mack joined OHA from Bridgewater/BNYM where he was a senior operations manager. Previously, he held various roles at Goldman Sachs Asset Management, including Global Head of Funding Operations and Manager of Hedge Fund Portfolio Accounting. Early in his career, Mr. Mack spent time at both JPMorgan and State Street. He received an M.B.A. from the Duke University Fuqua School of Business and a B.B.A. from Siena College.