Marc Russell Benioff (born September 25, 1964)^[2] is an American internet entrepreneur and philanthropist. Benioff is best known as the co-founder, chairman and CEO of the software company Salesforce, as well as being the owner of Time magazine since 2018.^[3][4]

Marc Russell Benioff was born on September 25, 1964, and raised in a Jewish family^[5][6] in the San Francisco Bay Area.^[7] He is the grandson of Marvin Lewis, a California trial attorney and once-time member of the San Francisco Board of Supervisors who championed the creation of the BART system.^[8][9] Benioff grew up in Hillsborough^[10] and graduated from Burlingame High School in 1982.^[11] Benioff received a Bachelor of Science in business administration from the University of Southern California, where he was a member of the Tau Kappa Epsilon fraternity, in 1986.^[11][12] Benioff is a second cousin of showrunner and television writer David Benioff, known for Game of Thrones.^[13] He is married to Lynne Benioff and has two children. The family lives in San Francisco, California.^[3][11]

While in high school, Benioff sold his first application, How to Juggle, for $75.^[11] In 1979, when he was 15, Benioff founded Liberty Software, creating and selling games such as Flapper and King Arthur's Heir for the Atari 8-bit.^[11][14][15] Royalties from these games helped Benioff pay for college.^[11][16]

While at USC, Benioff had an internship as a programmer at Apple where he wrote assembly code for the Macintosh.^[17][18] He joined Oracle Corporation in a customer-service role after graduating.^[11] Benioff worked at Oracle for 13 years in a variety of sales, marketing, and product development roles.^[3] At 23, he was named Oracle's Rookie of the Year. Three years later, he became the youngest person in the company's history to earn the title of vice president.^[3]

Benioff founded Salesforce in 1999^[19] in a San Francisco apartment and defined its mission in a marketing statement as "The End of Software."^[20] This was a slogan he used frequently to preach about software on the Web, and used as a guerilla marketing tactic against the dominant CD-ROM CRM competitor Siebel at the time.^[21] Benioff extended Salesforce's offerings in the early 2000s with the idea of a platform that allowed developers to create applications.^[22] Salesforce is now the biggest employer in San Francisco and the anchor tenant of Salesforce Tower, the tallest building in San Francisco.^[23]

Benioff also serves on the World Economic Forum's board of trustees and USC board of trustees.^[3][7] On September 16, 2018, Marc and his wife Lynne bought Time for $190 million.^[4] In 2019, Benioff started Time Ventures, a venture capital fund that has invested in multiple companies, including Commonwealth Fusion Systems, Universal Hydrogen and NCX.^{[24][25][26][27][28]} In 2021, two companies Time Venture backed, Planet Labs and IonQ, went public.^[29][30][31] Benioff is a member of Business Roundtable, an advocacy group of CEOs, and the Business Council.^[32][33] In November 2021, Benioff became co-CEO of Salesforce when Bret Taylor's promotion to co-CEO was announced.^[34] One year later, Bret Taylor stepped down as Salesforce co-CEO, leaving Marc Benioff as the sole CEO again.^[35] As of February 2022, Benioff had an estimated net worth of US$8.31 billion according to Bloomberg Billionaires Index.^[36]

A 2024 investigation by NPR journalist Dara Kerr found that Benioff has purchased more than 600 acres of land in Hawaii, mostly near the town of Waimea on Big Island. Benioff's purchases, which totaled $24.5 million as of February 2024, have sparked concern among Waimea locals regarding rising housing prices.^[37]

In 2003, President George W. Bush appointed Benioff co-chair of the President's Information Technology Advisory Committee.^[41] In 2009, Benioff was named a Young Global Leader by the World Economic Forum, and is a member of its board of trustees.^[42][43] In 2012, he was named one of the "Best CEOs in the World" by Barron's^[44] and received The Economist's Innovation Award.^[45] In 2014, Fortune readers voted him "Businessperson of the Year."^[46] In 2016, Fortune named him one of the "World's 50 Greatest Leaders."^[47] In 2019, he was recognized as one of the 10 Best-Performing CEOs by Harvard Business Review^[48] and as the CNN Business CEO of 2020.^[49]

In addition to founding Salesforce in 1999, Benioff also founded the Salesforce Foundation. The foundation uses a "1-1-1" approach to corporate philanthropy, where the company gives one percent of employee time as volunteer hours, one percent of its product and one percent of its revenue to charitable causes.^[50][51][52]

In 2010, the Benioffs donated $100 million to UCSF Children's Hospital. In 2014, they donated an additional $100 million to the hospital and $50 million to fund research on premature birth. In 2019, the Benioffs donated $25 million to UCSF to create the UCSF Benioff Center for Microbiome Medicine; $10 million to Stanford University for the Microbiome Therapies Initiative;^[53] and $35 million to establish a Prostate Cancer Research Initiative at University of California, San Francisco.^[54]

In 2016, Benioff announced a $10 million donation to the University of California at Santa Barbara to establish the Benioff Ocean Initiative.^[55] In 2017, the Benioffs partnered with the US National Fish and Wildlife Foundation and the National Oceanic and Atmospheric Administration to form the Pacific Islands Research and Conservation Programme.^[56] In 2019, the Benioffs donated $30 million to the Center for Vulnerable Populations for the Benioff Homelessness and Housing Initiative to study the impacts of homelessness, housing, and health.^[57] In January 2020, Benioff announced that he and his wife would provide financial backing for 1t.org to support a global initiative to plant and conserve 1 trillion trees over the next decade.^[58]

In March 2020, Benioff procured 50 million pieces of personal protective equipment for hospitals and COVID-19 first responders in the United States.^[59] In April 2020, Benioff donated more than $1 million to Give2SF COVID-19 Response and Recovery Fund.^[60] In April 2021, Benioff and Salesforce sent a plane filled with medical supplies to India to help the country handle the COVID-19 pandemic.^[61]

In October 2020, Marc and Lynne Benioff were founding partners of Prince William's Earthshot Prize, a program for finding solutions to environmental issues.^[62] In October 2021, Benioff pledged a $200 million donation to plant trees and fund ecologically focused entrepreneurs.^[63] Salesforce also donated $100 million to the same causes.^[63][64] In 2021, they were founding members of the World Economic Forum's Friends of Ocean Action initiative, providing approximately $11 million in funding.^[56] Marc and Lynne Benioff have been included in lists of top givers by Forbes and the Chronicle of Philanthropy.^{[65][66][67][68]}

In 2024, the Benioffs donated a total of $150 million towards Hawaii hospitals that will link Hawaii Pacific Health system (HPH) with Hilo Medical Center (HMC) and the UCSF Health. $100 million will be used toward the redevelopment of the new Straub Hospital campus in Honolulu, part of HPH, slated for completion in 2026; $50 million will go towards revamping the aging Hilo Medical Center on the Hawaii island. HPH intends to collaborate with HMC in physician co-recruitment efforts on the Hawaii island, while UCSF Health, specifically and UCSF Benioff Children’s Hospitals, will provide clinical expertise outreach efforts in  oncology and neurology for patients needing specialized care at these Hawaii facilities. Both Straub and HMC will rename their hospitals to Straub Benioff Medical Center and Hilo Benioff Medical Center, respectively, in recognition of the Benioffs.^[69]