Heising-Simons Foundation
| Formation | 2007 |
|---|---|
| Type | Private foundation |
| Headquarters | Los Altos, CA |
Key people | Liz Simons, Mark Heising, Caitlin Heising |
| Disbursements | $1.456 billion (2007-2025) |
| Website | https://www.hsfoundation.org/ |
The Heising-Simons Foundation is a private foundation established by philanthropists Elizabeth (Liz) Simons and Mark Heising in Los Altos, California in 2007. Liz Simons and Mark Heising signed the Giving Pledge in 2016.
The Heising-Simons Foundation's main areas of work include early childhood education, science, climate and clean energy, community and opportunity, and human rights. It also funds a science fellowship known as the 51 Pegasi b Fellowship, and the American Mosaic Journalism Prize. It does not accept unsolicited grant proposals.
As of January 1, 2026, the Heising-Simons Foundation's President and CEO is Brian Eule.