25. Scott Cook
Source of wealth: Intuit
Industry: Technology
Net worth: $3.95 billion
Scott Cook cofounded software company Intuit in 1983, and retired as the firm's CEO 11 years later. However, he has remained Intuit's chairman and holds 5% of shares in the company — now worth over $5 billion.
24. Dagmar Dolby
Source of wealth: Dolby Laboratories
Industry: Technology
Net worth: $4.13 billion
Founded by her late husband Ray Dolby, Dagmar Dolby currently owns roughly 38% of Dolby Laboratories. Known for its sound systems, the San Francisco-based company revolutionized audio in tech.
23. Jensen Huang
Source of wealth: Nvidia
Industry: Technology
Net worth: $4.63 billion
Jensen Huang is the cofounder, CEO, and president of Nvidia, a company specializing in computer gaming chips. The billion-dollar company is based in Santa Clara, California.
22. Robert Johnson, Jr.
Source of wealth: Franklin Templeton
Industry: Finance & Investments
Net worth: $4.70 billion
Current vice chairman and director of Franklin Templeton, Robert Johnson, Jr. also owns the second largest stake in his family's successful investment firm. The company was founded by his father in 1947; Johnson has served as vice chairman for the past two decades.
21. Jeffrey Skoll
Source of wealth: eBay
Industry: Technology
Net worth: $5.24 billion
Though he has not worked at the company in 18 years, Jeffrey Skoll earned the majority of his money as eBay's president in the early 2000s. According to Forbes, Skoll was the online auction site's first full-time hire. Since leaving, Skoll has worked with his self-named foundation, as well as his film production firm. The firm — Participant Media — won the Academy Award for "Spotlight" in 2016.
20. David Filo
Source of wealth: Yahoo
Industry: Technology
Net worth: $5.29 billion
David Filo cofounded Yahoo in 1995; Verizon purchased it for almost $4.5 billion in 2017. In addition to heading Yahoo, Filo also runs a charity foundation with his wife, supporting issues from education to the environment.
20. Jack Dorsey
Source of wealth: Twitter
Industry: Technology
Net worth: $5.29 billion
Tied with Yahoo's David Filo for net worth, Jack Dorsey returned as social giant Twitter's CEO in 2015, after previously stepping down in 2008. He cofounded the company in 2006, and also cofounded Square in 2009.
18. George Roberts
Source of wealth: KKR & Co.
Industry: Finance & Investments
Net worth: $5.54 billion
Building his fortune in the private equity business, George Roberts cofounded KKR & Co. The firm is named after Roberts and fellow cofounders Henry Kravis and Jerome Kohlberg. Alongside its New York offices, the firm is also based out of San Francisco and Menlo Park — roughly 20 minutes from Facebook's headquarters. Roberts himself resides in Atherton.
17. George Lucas
Source of wealth: Lucasfilm, Ltd.
Industry: Media & Entertainment
Net worth: $5.61 billion
Legendary filmmaker George Lucas is best known for his original Star Wars and Indiana Jones series. He resides on Skywalker Ranch in Marin County, just north of San Francisco. His self-named film company — which he sold to Disney in 2012 for $4 billion — is based in the city's Letterman Digital Arts Center, unlike most Hollywood directors who maintain offices in Los Angeles.
16. Travis Kalanick
Source of wealth: Uber
Industry: Technology
Net worth: $5.84 billion
Though he has since stepped down as the CEO following company scandals, Travis Kalanick is known for founding Uber in 2009. Now the CEO of holding company City Storage Systems, Kalanick still owns seven percent of Uber shares.
15. Marc Benioff
Source of wealth: Salesforce
Industry: Technology
Net worth: $6.58 million
After working under Oracle founder Larry Ellison, Marc Benioff founded his own company, Salesforce, in 1999. He remains the company's CEO, but has also invested in other tech startups in the Silicon Valley area.
14. John Sobrato
Source of wealth: Sobrato Development Cos.
Industry: Real Estate
Net worth: $6.80 billion
Though John Sobrato didn't start a tech company in Silicon Valley, he made his fortune selling homes in the Palo Alto area. Today, his company owns the office spaces of big names such as Netflix.
13. John Doerr
Source of wealth: Kleiner Perkins Caufield & Byer
Industry: Technology
Net worth: $7.67 billion
John Doerr is the current chairman of Kleiner Perkins Caufield & Byers (KPCB), a venture capital firm. According to Forbes, "KPCB is one of Silicon Valley's most storied firms, having backed Amazon, AOL, Compaq, Electronic Arts, Google, Netscape and Twitter." Prior to KPCB, Doerr worked at Intel.
12. Charles Schwab
Source of wealth: Charles Schwab
Industry: Finance & Investments
Net worth: $8.29 billion
Unlike Silicon Valley's tech execs, Charles Schwab is the former CEO of his self-named brokerage firm headquartered in the Bay Area. Though he stepped down from his lead role in 2008, he still serves as company chairman.
11. Robert Pera
Source of wealth: Ubiquiti Networks, Inc.
Industry: Technology
Net worth: $8.90 billion
After working at Apple for two years, Robert Pera founded the wireless equipment company Ubiquiti Networks in 2005. Today, he serves as the company's CEO and owns 75% of shares.
10. Jan Koum
Source of wealth: WhatsApp, Inc.
Industry: Technology
Net worth: $9.80 billion
Before cofounding WhatsApp messaging service, Jan Koum spent nine years with Yahoo. In 2014, Facebook purchased WhatsApp for $22 billion and Koum joined the social giant's board of directors — a role he gave up in 2018. Koum also served as WhatsApp's CEO before the merger.
9. Gordon Moore
Source of wealth: Intel
Industry: Technology
Net worth: $10.84 billion
Cofounder of Intel tech company, Gordon Moore retains his title as Chairman Emeritus. The billion-dollar firm is based in Santa Clara.
8. Dustin Moskovitz
Source of wealth: Facebook
Industry: Technology
Net worth: $11.82 billion
Alongside Harvard roommate Mark Zuckerberg, Dustin Moskovitz founded social giant Facebook — he still owns three percent of shares. Since leaving Facebook in 2008, Moskovitz cofounded the Asana software company, which he currently heads as CEO.
7. Eric Schmidt
Source of wealth: Google
Industry: Technology
Net worth: $13.69 billion
A longtime tech exec, Eric Schmidt has served as Google's CEO, executive chairman, and technical advisor. In addition, he cofounded venture capital firm Innovation Endeavors.
6. Laurene Powell Jobs
Source of wealth: Apple, Disney
Industry: Philanthropy/NGO
Net worth: $20.08 billion
Laurene Powell Jobs is the founder and current head of the Emerson Collective, a social change organization. She also holds $20 billion dollars in shares of Apple and Disney companies from her late husband — Apple founder Steve Jobs — as well as investments in publications such as The Atlantic, Mother Jones, and ProPublica.
5. Elon Musk
Source of wealth: Tesla Motors
Industry: Automotive
Net worth: $20.87 billion
Elon Musk is the reigning CEO of Tesla Motors, the electric car company he founded in 2003. Musk is also the CEO of $20 billion rocket company SpaceX, which has partnered with NASA.
4. Sergey Brin
Source of wealth: Google
Industry: Technology
Net worth: $53.68 billion
Sergey Brin currently serves as president of Google parent company Alphabet. Brin cofounded the search engine with fellow Stanford University student Larry Page in 1998. Today, the company headquarters — known as Googleplex — are stationed in Silicon Valley's Mountain View area.
3. Larry Page
Source of wealth: Google
Industry: Technology
Net worth: $54.87 billion
Larry Page cofounded Google with Sergey Brin in 1998, and is credited with inventing the search engine's PageRank algorithm. He previously served as Google's first CEO and currently works as CEO of Google's parent company Alphabet, which also oversees Calico healthcare and Nest smart home systems.
2. Larry Ellison
Source of wealth: Oracle
Industry: Technology
Net worth: $65.22 billion
Larry Ellison is known for cofounding Oracle software company in 1977, where he served as the firm's CEO until 2014. Alongside the majority shares of Oracle, Ellison also owns a significant stake in Elon Musk's Tesla and the Hawaiian Island Lanai.
1. Mark Zuckerberg
Source of wealth: Facebook
Industry: Technology
Net worth: $66.31 billion
Known for founding social media giant Facebook in his Harvard dorm room, Mark Zuckerberg moved the company to Palo Alto in 2004. Today, Zuckerberg continues to face criticism for his site's ongoing issues with fake news and user privacy.
