Mark Zaeske is responsible for the management accounting, finance and tax departments. Mr. Zaeske joined OHA after serving as the Chief Financial Officer of HSBC North America and the Head of Finance at Bridgewater Associates. Previously, he served as the Senior Vice President, Finance and Chief Accounting Officer at Discover Financial Services, a divisional CFO at JPMorgan Chase, the Treasurer of AIG SunAmerica and the Assistant Treasurer of Citigroup following the merger with Travelers Group. He began his career as a public accountant at KPMG. He received an M.B.A. in Finance with highest honors from the University of Chicago and a B.B.A. in Accounting, magna cum laude, from the University of Texas at Austin. He is a Certified Public Accountant.