John S. Winkleman

John S. Winkleman founded Winkleman Company in 1990 after several years working in the public relations industry and following a successful career in the not-for-profit sector. He had served in the administration of Clark University and as director of New York City’s Greenwich House Music School.

John is an adjunct faculty member at the Mailman School of Public Health at Columbia University and teaches at Fordham University's Center for Nonprofit Leaders. From 1997 to 2011, he taught marketing and fund raising at the Institute for Not-for-Profit Management (INM) at the Business School at Columbia University. In August 2011, INM was dismantled and replaced by the Senior Leaders Program.

He is a member of the Board of Trustees of the Mount Sinai Hospital, chairs their Community Affairs Committee and is a member of the Public Affairs & Marketing, Medical Education and Executive Committees. He also is a member of the Mount Sinai Multicultural and Community Affairs Advisory Board and the Mount Sinai Community Board and the Advisory Boards of CIVITAS and New Yorkers for Parks. He was a member of the board of the NYC chapter of AFP (Association of Fund Raising Professionals) from 1998–2006; was one of the founders of New York City's AFP National Philanthropy Day Luncheon which he also co-chaired; and, was a founder of the INM/TD Conference on Sustainability in the Not-for-Profit Sector. John was one of the recipients of the 2008 United Hospital Fund Distinguished Trustee award and received an OTTY (Our Town Thanks You) Entrepreneurship Award in 2009.

John is also recognized as an architectural artist, having had his work displayed in Tiffany & Company in New York and on billboards and galleries in New England. He is the illustrator for two published children’s books, Firehouse and Police Patrol, for which his wife, Katherine, was the author.

He and his wife reside in New York City.