Clinical Sciences

Clinical Sciences Experts

Leslie A. Brun

Leslie A. Brun
clinical science
United States of America


  Les Brun is Chairman and Chief Executive Officer of Sarr Group, LLC, a diversified holding company for his investments. Previously, he was a Managing Director and Head of Investor Relations in the New York office of CCMP Capital Advisors. Les also founded and was Chairman Emeritus of Hamilton Lane, the world’s leading Private Equity advisory and management firm, focusing on the firm’s strategic initiatives and direction, as well as its investment decision-making through his participation on the firm’s Investment Committee. He was also a member of the board of directors of the Richcourt Group, a Hamilton Lane company specializing in hedge fund management. Les is currently Chairman of the Boards of Directors of Broadridge Financial Solutions, Inc. (NYSE “BR”), CDK Global, Inc. (NASDAQ “CDK”) and former Chairman of the Board of Directors of Automatic Data Processing, Inc. (NYSE “ADP”). He also serves on the Boards of Directors (Audit Committee Chair) of Merck & Co., Inc. (NYSE “MRK”), Hewlett-Packard Enterprise (NYSE “HPE”) and NXT Capital. In addition, he was Chairman of the U.S. Small Business Administration’s S.B.I.C. Advisory Council, and a member of the Committee for the Reinvention of the S.B.A. He is a Member of the Council on Foreign Relations. With over 37 years of investment banking, commercial banking and financial advisory experience, Les began his career with Chemical Bank in Seoul, South Korea, where he was Assistant Vice President and Chief Credit Officer, followed by Managing Director and co-founder of the investment banking group of Fidelity Bank in Philadelphia, Vice President in the Corporate Finance Division of E.F. Hutton & Co. in New York, and Vice President of Lloyds International Corporation. Les holds a B.S. from the State University of New York at Buffalo, where he has been recognized as a Distinguished Alumnus, and is a former Trustee of the University at Buffalo Foundation, Inc. He is currently a Trustee of Widener University and a former Trustee of the Episcopal Academy in Merion, PA. Most recently, Les was recognized by the NACD as one of America’s top 100 Corporate Directors in 2015. He was also inducted into the Hall of Fame for the National Association of Investment Companies, as well as honoured as the recipient of the 2012 Visionary Award from the Network for Teaching Entrepreneurship in Philadelphia.

Research Interest

 His research interest is on financial management.

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