Non-profit

Heising-Simons Foundation

Website:

www.hsfoundation.org/

Location:

LOS ALTOS, CA, United States

Tax ID:

26-0799587

Tax-Exempt Status:

501(c)(3)-PF

Budget (2015):

Revenue: $51,311,089
Expenses: $46,413,346
Assets: $370,095,113

Co-Founders:

Mark Heising

Liz Simons

The Heising-Simons Foundation is a California-based private family foundation headed by Mark Heising and Liz Simons. It principally awards grants in the areas of climate and clean energy, education, scientific research, and human rights.

Directors, Employees & Supporters

  1. Mark Heising
    Co-Founder and Board Member
  2. Liz Simons
    Co-Founder and Board Chair
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Nonprofit Information

  • Accounting Period: December - November
  • Tax Exemption Received: December 1, 2007

  • Available Filings

    Period Form Type Total revenue Total functional expenses Total assets (EOY) Total liabilities (EOY) Unrelated business income? Total contributions Program service revenue Investment income Comp. of current officers, directors, etc. Form 990
    2015 Dec Form PF $51,311,089 $46,413,346 $370,095,113 $32,353,962 $0 $0 $0 $0 PDF
    2014 Dec Form PF $38,849,895 $41,250,733 $301,712,855 $27,213,720 $0 $0 $0 $0 PDF
    2013 Dec Form PF $45,165,891 $25,302,480 $268,703,766 $17,884,965 $0 $0 $0 $0 PDF
    2012 Dec Form PF $102,655,416 $24,452,978 $234,508,426 $21,153,406 $0 $0 $0 $0 PDF
    2011 Dec Form PF $44,229,865 $11,728,252 $174,825,022 $8,597,169 $0 $0 $0 $0 PDF

    Additional Filings (PDFs)

    Heising-Simons Foundation

    400 MAIN ST STE 200
    LOS ALTOS, CA 94022-2840
    United States