Billionaire Profile
Weili Dai
Global Rank
#1209

Image: Public domain | via Wikimedia Commons

Weili Dai

CEO, Marvell Technology, Inc.
US
Real-Time Net Worth
$1.3B
As of December 2025
Age
64
Source
Semiconductors
Industry
technology
Citizenship
US

Biography

Weili Dai is a prominent figure in the technology industry, best known as the co-founder of Marvell Technology Group, a major semiconductor manufacturer. Born in Shanghai, China, and now a U.S. citizen, Dai is celebrated as the only female co-founder of a major semiconductor company. With a net worth of $1.3 billion as of June 2024, Dai's wealth stems primarily from her success in the semiconductor industry. Her career includes pivotal roles at Marvell, where she helped build the company into a global leader, as well as founding Silicon Box, a company focused on advanced chip packaging technology. Dai has also been a vocal advocate for women in STEM fields and a supporter of philanthropic initiatives.

Wealth Over Time

In-Depth Profile

Early Life and Education

Weili Dai was born in Shanghai, China, and moved to the United States at the age of 17. She played semi-professional basketball in her youth. She earned a Bachelor's degree in Computer Science from the University of California, Berkeley, where she met her husband, Sehat Sutardja.

Rise to Success

In 1995, Dai co-founded Marvell Technology Group with her husband and his brother. She played a crucial role in directing Marvell's growth and success, focusing on strategic partnerships and marketing the company's technology. Marvell became a major player in the semiconductor industry under her leadership, eventually going public in 2000.

In 2021, she co-founded Silicon Box, a Singapore-based company focused on advanced chip packaging technology, which opened a $2 billion facility in 2023.

Key Business Strategies

Dai’s leadership style emphasizes fairness and care, which she believes are essential for success. Her approach included building strong relationships with customers, supporting her partners, and fostering a culture of teamwork within Marvell. She has also been instrumental in expanding access to technology in developing countries and has served as an ambassador between the US and China in the technology sector.

Philanthropy

Weili Dai is an active philanthropist, supporting various educational and technological initiatives. She is a strong supporter of the One Laptop per Child initiative and advocates for women in STEM fields. Dai and her husband have also supported the University of California, Berkeley, through financial contributions, including the establishment of Sutardja Dai Hall.

Career Milestones

1995

Co-founded Marvell Technology Group

Co-founded Marvell Technology Group, a major semiconductor company, with her husband and brother-in-law.

2000

Marvell Technology Group IPO

Marvell Technology Group went public.

2008

SEC Investigation and Fine

Marvell Technology Group was charged by the SEC for stock option backdating, and Dai was fined.

2015

Listed in Forbes' 100 Most Powerful Women

Named in Forbes' list of the world's 100 most powerful women.

2016

Departure from Marvell

Dai and her husband stepped down from Marvell Technology Group.

2018

Co-founded MeetKai

Co-founded MeetKai, an AI startup focused on virtual reality and conversational AI.

2021

Co-founded Silicon Box

Co-founded Silicon Box, a semiconductor company focused on advanced chip packaging.

2024

Husband's passing

Her husband, Sehat Sutardja, died.

Philanthropy & Social Impact

Education

UC Berkeley Support

$

Supported UC Berkeley, including the establishment of Sutardja Dai Hall.

Education

One Laptop per Child Initiative

Undisclosed

Supported the One Laptop per Child program.

Business Philosophy & Leadership

Notable Quotes

""You have to keep a humble philosophy - you always have more to learn. Once you say, 'Ah, no more learning,' you go backward.""

"“Passion and Integrity are the foundations for all success; Fair and Care are the principles for all successful leaders.”"

""Be fair and care. Whatever you do, you must be fair to those around you and genuinely care, think of ways to add value.""

Leadership Principles

Fairness and Care

Treating partners and employees fairly and demonstrating genuine care is essential for long-term success.

Passion and Integrity

These are the cornerstones of success, driving innovation and building strong relationships.

Teamwork and Collaboration

Success is a team effort, emphasizing the importance of collaboration with customers, partners, and employees.

Controversies & Challenges

2008

Stock Option Backdating

Marvell Technology Group was charged by the SEC for improperly backdating stock option grants to employees. Dai was fined and barred from serving as an officer or director of a public company for five years.

2016

Departure from Marvell

Dai and her husband were ousted from Marvell Technology Group following an internal accounting investigation.