Our Founders

Our Founders

Karen and Bill Ackman

“We get tremendous pleasure from helping others. It’s what makes our lives worth living.”



William A. Ackman
William Ackman is the CEO and Portfolio Manager of Pershing Square Capital Management, L.P., a SEC registered investment adviser founded in 2003. Pershing Square is a concentrated research-intensive fundamental value investor in long and occasionally short investments in the public markets. Prior to forming Pershing Square, Mr. Ackman co-founded Gotham Partners Management Co., LLC, an investment adviser that managed public and private equity hedge fund portfolios. Prior to Gotham Partners, Mr. Ackman began his career in real estate investment banking at Ackman Brothers & Singer, Inc.

Mr. Ackman received a MBA from the Harvard Business School and a Bachelor of Arts magna cum laude from Harvard College.  His board memberships include Chairman of The Howard Hughes Corporation (NYSE: HHC), Canadian Pacific Railway Limited (NYSE: CP), the Board of Dean’s Advisors of the Harvard Business School, and The Pershing Square Foundation, a charitable foundation that he founded in December 2006.

Karen Ackman
Karen is a landscape architect and artist who has focused her career on public work as a designer for the Central Park Conservancy, Robert A.M. Stern Architects, and Judith Heintz Landscape Architecture.

Karen received her M.L.A. from Harvard University Graduate School of Design and a B.A. from Vassar College. She is a Trustee of The Pershing Square Foundation and also serves on the boards of Friends of the High Line, The Dalton School, Human Rights Watch and Vassar College.

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