Since the formation of Oaktree in 1995, Mr. Marks has been responsible for ensuring the firm’s adherence to its core investment philosophy; communicating closely with clients concerning products and strategies; and contributing his experience to big-picture decisions relating to investments and corporate direction. From 1985 until 1995, Mr. Marks led the groups at The TCW Group, Inc. that were responsible for investments in distressed debt, high yield bonds, and convertible securities.

He was also Chief Investment Officer for Domestic Fixed Income at TCW. Previously, Mr. Marks was with Citicorp Investment Management for 16 years, where from 1978 to 1985 he was Vice President and senior portfolio manager in charge of convertible and high yield securities. Between 1969 and 1978, he was an equity research analyst and, subsequently, Citicorp's Director of Research.

Mr. Marks holds a B.S.Ec. degree cum laude from the Wharton School of the University of Pennsylvania with a major in finance and an M.B.A. in accounting and marketing from the Booth School of Business of the University of Chicago, where he received the George Hay Brown Prize. He is a CFA® charterholder.

Mr. Marks is a Trustee and Chairman of the Investment Committee at the Metropolitan Museum of Art. He is a member of the Investment Committee of the Royal Drawing School and is Professor of Practice at King’s Business School (both in London). He serves on the Shanghai International Financial Advisory Council and the Advisory Board of Duke Kunshan University. He is an Emeritus Trustee of the University of Pennsylvania, where from 2000 to 2010 he chaired the Investment Board.