Benioff is a Chairman of Salesforce.com Foundation, a charity established in 2000, and created the 1-1-1 model of integrated corporate philanthropy, by which companies contribute 1 percent of equity, 1 percent of employee hours and 1 percent of product back to the community.

Benioff and his wife Lynne have been recognized as top philanthropists by Forbes' America's 50 Top Giver list in 2015 and the Chronicle of Philanthropy's Philanthropy 50 list in 2010, 2014 and 2015.

In June 2010, they announced a $100-million gift to UCSF Children's Hospital.

In 2014, Marc and Lynne Benioff donated another $100 million to UCSF and Oakland Children's Hospital (both now called Benioff Children's Hospitals).

In November 2019, Marc Benioff donated $900,000 to Team Trees.
Benioff is a Chairman of Salesforce.com Foundation, a charity established in 2000, and created the 1-1-1 model of integrated corporate philanthropy, by which companies contribute 1 percent of equity, 1 percent of employee hours and 1 percent of product back to the community.
Benioff and his wife Lynne have been recognized as top philanthropists by Forbes' America's 50 Top Giver list in 2015 and the Chronicle of Philanthropy's Philanthropy 50 list in 2010, 2014 and 2015.
In June 2010, they announced a $100-million gift to UCSF Children's Hospital.
In 2014, Marc and Lynne Benioff donated another $100 million to UCSF and Oakland Children's Hospital (both now called Benioff Children's Hospitals).
In November 2019, Marc Benioff donated $900,000 to Team Trees.
Marc Benioff