Background
Winkleman, John Sandler was born on June 25, 1955 in Philadelphia, Pennsylvania, United States. Son of Harris and Ruth Elizabeth (Sandler) Winkleman.
Winkleman, John Sandler was born on June 25, 1955 in Philadelphia, Pennsylvania, United States. Son of Harris and Ruth Elizabeth (Sandler) Winkleman.
Bachelor, Clark University, Worcester, Massachusetts, 1977; postgraduate, New York University, 1978-1979; graduate Institute Not-for-Profit Management, Columbia University, 1997.
Director, Greenwich House Music School, New York City, 1979-1981;
executive assistant to president, assistant secretary board of trustees, Clark University, Worcester, Massachusetts, 1981-1985;
senior account executive, Hill and Knowlton, New York City, 1985-1987;
account supervisor, client services manager, Dorf and Stanton, New York City, 1987-1988;
vice president, Ruder Finn, New York City, 1988-1990;
founder, partner, Winkleman Company. New York City, since 1990. Adjunct faculty Columbia University Business School Institute for Not-for Profit Management, New York City, since 1997.
Speaker public private elementary schools, New York and Pennsylvania, since 1994.
Member, vice chair community board Mount Sinai Medical Center, New York City, since 1992, chairman community affairs committee, executive committee, marketing committee. Trustee Mount Sinai Hospital, since 1998. Member Mount Sinai Center for Multicultural & Community Affairs Advisory Board.
Past trustee New England Science Museum. Board directors Worcester Convention and Visitors Bureau, Worcester Heritage and Preservation Society, Civitas, New York City, since 1995. Member Worcester Cultural Commission.
Member of Association Fundraising Professionals (board directors Greater New York chapter since 2000, co-chairman New York National Philanthropy Day, New York City 2001-2003).
Married Katherine Lee Knapp, May 6, 1984. 1 child, Pendray Gregory.