Billionaire Profile
Weili Dai
Global Rank
#1096

Image: Kslakey | CC0 | via Wikimedia Commons

Weili Dai

CEO, Semiconductors
UNITED STATES
Real-Time Net Worth
$3.956B
Estimated based on Semiconductors stock value as of April 20, 2026
+2.05% (24h)
Age
64
Source
Semiconductors
Industry
Technology
Citizenship
UNITED STATES

Biography

Weili Dai is a prominent figure in the technology industry and a self-made billionaire. She is the co-founder and former president of Marvell Technology Group, a major semiconductor company. Born in Shanghai, China, Dai moved to the U.S. at age 17 and earned a computer science degree from the University of California, Berkeley. Her career includes involvement in software development and project management. Dai is known for her entrepreneurial spirit, strategic partnerships, and her advocacy for women in STEM fields. As of June 2024, her net worth is estimated at $1.3 billion, a testament to her success in the competitive semiconductor market.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life

Weili Dai was born in Shanghai, China, where she played semi-professional basketball before moving to the United States at the age of 17. She attended Abraham Lincoln High School in San Francisco before earning a bachelor's degree in computer science from the University of California, Berkeley.

Rise to Success

In 1995, Dai co-founded Marvell Technology Group with her husband, Sehat Sutardja, and his brother, Pantas Sutardja. The company initially focused on data storage solutions and grew to become a major player in the semiconductor industry. Dai served in significant positions within Marvell, including Chief Operating Officer, Executive Vice President, and General Manager of the Communications Business Group. Marvell's success led to Dai being recognized as one of the "World's 100 Most Powerful Women" by Forbes.

Key Business Strategies

Dai played a pivotal role in creating important strategic partnerships for Marvell. Her leadership helped Marvell's technology become an integral part of many products in enterprise, communications, mobile computing, consumer, and emerging markets. Dai has also been a driving force in expanding access to technology in developing countries and promoting opportunities between the U.S. and China. Her philosophy emphasizes fairness, caring, and teamwork.

Philanthropy

Dai has been involved in promoting diversity and inclusion in the tech industry. She promoted the partnership with the One Laptop Per Child program (OLPC) and advocated for women in STEM fields. Dai is a board member of the disaster relief organization Give2Asia. In recognition of their generosity, the Sutardja Dai Hall at UC Berkeley was named for Dai along with her husband.

Career Milestones

1995

Co-founded Marvell Technology Group

Co-founded the semiconductor company with her husband and his brother.

2008

Named one of Forbes' 100 Most Powerful Women

Recognized for her influence in the business world.

2016

Departed from Marvell Technology Group

Left the company after a governance dispute.

2018

Co-founded MeetKai

Co-founded the AI-enabled personalized conversational search company.

2021

Co-founded Silicon Box

Co-founded a Singapore-based semiconductor company specializing in chiplet packaging.

Philanthropy & Social Impact

Disaster Relief

Give2Asia

Undisclosed

Board member of a disaster relief organization.

Education

Sutardja Dai Hall

Undisclosed

Supports the Center for Information Technology Research in the Interest of Society (CITRIS).

Business Philosophy & Leadership

Notable Quotes

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

"“Technology has no gender—it's about passion, innovation, and impact.”"

"“We can empower the world by investing in girls and women, especially in science and engineering.”"

"“Being underestimated is often the secret advantage of greatness.”"

Leadership Principles

Fairness

Treating everyone with fairness in all business dealings.

Caring

Showing genuine care for customers and employees.

Teamwork

Emphasizing collaboration and a team-oriented approach.

Passion and Integrity

Believing these are the foundations for all success.

Controversies & Challenges

2008

Stock Option Backdating

Paid fines to the Securities and Exchange Commission over charges of false financial information related to improperly backdating stock option grants.

2016

Departure from Marvell

Ousted from Marvell Technology Group after an investigation into potential accounting issues; no fraud was found, but there were pressures to meet revenue targets and internal controls were not fully followed.