Mr. Day is the Founder and Chairman of The TCW Group, Inc., an investment management firm. He is also Chairman, Chief Executive Officer, and President of the W. M. Keck Foundation, one of the nation's largest philanthropic organizations. He is also a Director of Freeport-McMoRan Copper & Gold Inc. and McMoRan Exploration Co.
Professional- The Trust Company of the West, Founder and Chairman
- W.M. Keck Foundation, Chairman, CEO, and President
- Freeport-McMoRan Copper & Gold Inc., Director
- McMoRan Exploration Co., Director
- The Business Council, Member/li>
- The Brookings Institution, Member
- The Center for Strategic & International Studies, Member
- The Alfalfa Club, Member
- The Broad Foundations, Board Member
- Claremont McKenna College, Chairman of the Board of Trustees
- Keck Medicine of USC, Board of Overseers Member
- Claremont McKenna College, B.A., Economics



