Science Philanthropy Alliance



Left-Leaning Science Advocacy Coalition

Project of:

New Venture Fund

The Science Philanthropy Alliance is a coalition of science-oriented advocacy groups. The Alliance is a project of the center-left New Venture Fund, a funding and fiscal sponsorship nonprofit which employs Alliance president Marc Kastner and executive director Valerie Conn. [1] The New Venture Fund is managed by the Washington, D.C.-based philanthropy consulting firm Arabella Advisors.

In 2016, Marc Kastner’s salary was $531, 250. Valerie Conn’s 2016 salary was $296,179. [2]


  1. “Science Philanthropy Alliance.” Science Philanthropy Alliance, Aspen Leadership Group. Accessed February 25, 2019.
  2. Return of Organization Exempt from Income Tax (Form 990). New Venture Fund (2016). Part VII, Section A.
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