Timothy C. Collins (born 1956) is an American entrepreneur and business executive. He is the founder and chief executive of Ripplewood Holdings LLC. He has also been a member of the board of directors of Citigroup. Collins is a director of several public companies as well as some of Ripplewood's private portfolio companies.

Early life and education Collins was born in 1956 in Frankfort, Kentucky. He has a B.A. degree in philosophy from DePauw University (1978),Five Distinguished Individuals Awarded Honorary Degrees DePauw University May 22, 2005 and an MBA from Yale School of Management.

Career He began his career in finance, marketing and manufacturing at Cummins Engine Company. From 1981 to 1984, he worked with the management consulting firm of Booz & Company, specializing in strategic and operational assignments with major industrial and financial firms. He became a vice president at Lazard Frères in New York, then managed Onex Corporation’s New York office. He also served on in many of company boards including Asbury Automotive, Shinsei Bank, Advanced Auto, Rental Services Corp.

Collins was named one of the “25 Stars of Asia: Leaders at the Forefront of Change” by BusinessWeek magazine in 2004.

Public service He is involved in several not-for-profit and public sector activities, including the U.S.-Japan Business Council, the Trilateral Commission, the U.S.-Japan Private Sector/Government Commission, Yale Divinity School advisory board, American Friends of the British Museum, Yaddo, the United Board for Christian Higher Education in Asia, Trout Unlimited, and Lenox Hill Neighborhood House and the Tony Blair Faith Foundation.Yale Univwersity School of Management: News - Timothy Collins Named Chairman of Yale School of Management Advisory Board (Accessed April 2012)

In 2012 he has been appointed chairman of the Yale School of Management Board of Advisors.

Personal life Collins is married and has three sons.Resume: Tim Collins BusinessWeek Online, DECEMBER 10, 2001

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