Billionaire Profile
Weili Dai
Global Rank
#1233

Image: Kslakey | CC0 | via Wikimedia Commons

Weili Dai

CEO, Semiconductors
UNITED STATES
Real-Time Net Worth
$3.407B
Estimated based on Semiconductors stock value as of March 6, 2026
+4.74% (24h)
Age
64
Source
Semiconductors
Industry
Technology
Citizenship
UNITED STATES

Biography

Weili Dai is a highly successful businesswoman and entrepreneur in the technology industry. As the co-founder of Marvell Technology Group, she is recognized as the only female co-founder of a major semiconductor company. Her career has been marked by significant achievements, including being named one of Forbes' "World's 100 Most Powerful Women" and "America's Richest Self-Made Women." Dai's journey began in Shanghai, China, and led her to Silicon Valley, where she pursued a degree in computer science at the University of California, Berkeley. She co-founded Marvell in 1995, and was also involved in the founding of Silicon Box. Dai has consistently advocated for women in STEM and has been actively involved in philanthropy, supporting various educational and social causes.

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Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Weili Dai was born in Shanghai, China, and immigrated to the United States at the age of 17. She attended the University of California, Berkeley, where she earned a degree in computer science. During her time at Berkeley, she met her husband, Sehat Sutardja, who was pursuing a doctorate in electrical engineering. Her early life involved semi-professional basketball, which she credits for building her confidence and teamwork skills.

Rise to Success

Dai's career took off when she co-founded Marvell Technology Group in 1995 with her husband, Sehat Sutardja. Marvell quickly rose to prominence as a major player in the semiconductor industry. Dai played a crucial role in directing Marvell's growth, including leading strategic partnerships, and marketing Marvell's technology for use in products across several markets. Dai served as chief operating officer, executive vice president, and general manager of the Communications Business Group at Marvell, as well as corporate secretary and a director on the board.

Key Business Strategies

A key to Marvell's success was Dai's focus on strategic partnerships and understanding market needs. Dai promoted partnerships with the One Laptop Per Child program (OLPC) and women in science, technology, engineering, and mathematics (STEM) fields. The company expanded to include customers like Seagate Technology and Samsung Electronics and landed on the initial public offering (IPO) on June 26, 2000. In 2006, the company bought Intel's mobile phone chip business, expanding its reach within the tech industry. In 2021, Dai co-founded the semiconductor company Silicon Box.

Philanthropy

Dai is actively involved in philanthropy, supporting various educational and social causes. She has been involved in the board of the disaster relief organization, Give2Asia. Her contributions have also extended to promoting diversity and inclusion in the tech industry. The Sutardja Dai Hall at her alma mater, UC Berkeley, was named for Dai along with her husband Sehat Sutardja, and Pantas Sutardja.

Career Milestones

1995

Co-founded Marvell Technology Group

Co-founded Marvell with her husband, Sehat Sutardja, and played a key role in its rise as a major semiconductor company.

2004

EY Entrepreneur of the Year Award

Received the EY Entrepreneur of the Year award.

2012

First Female Commencement Speaker at UC Berkeley College of Engineering

Delivered the commencement address, marking a significant achievement.

2015

Appointed to the Board of Directors of the Global Semiconductor Alliance

Joined the board of directors, advocating for the silicon industry.

2016

Departure from Marvell

Departed from Marvell Technology Group after an accounting investigation.

Philanthropy & Social Impact

Disaster Relief

Give2Asia

Undisclosed

Sits on the board of this disaster relief organization.

Education

One Laptop Per Child program

Undisclosed

Promoted partnership with this program.

Business Philosophy & Leadership

Notable Quotes

"Most of the time, at best, I find that people follow their enthusiasms until they run out. Passion is a very different thing. Following your passion means a willingness to give everything you have every day."

"I believe every woman or man they have opportunities. and I think US uh America is such a beautiful country."

Leadership Principles

Passion and Perseverance

Believes in giving everything every day to follow your passion.

Teamwork and Result-Oriented

Values teamwork and the achievement of results, drawing from her sports background.

Customer Focus

Stresses the importance of making partners and customers successful as a key to success.

Controversies & Challenges

2008

SEC Fine for Backdating Stock Options

Marvell, and Dai, paid fines to the SEC for charges of false financial information due to improperly backdating stock option grants. Dai was forced to step down as executive vice president, chief operating officer, and a director but allowed to continue with the company in a non-management position.

2016

Ousting from Marvell

Dai, along with her husband, was ousted from Marvell Technology Group after an investigation regarding accounting practices. Although no fraud was found, the investigation revealed internal control deficiencies.