Billionaire Profile
Randa Duncan Williams
Global Rank
#331

Image: Public domain | via Wikimedia Commons

Randa Duncan Williams

CEO, Enterprise Products Partners
US
Real-Time Net Worth
$9.6B
As of December 2025
Age
64
Source
Pipelines
Industry
energy
Citizenship
US

Biography

Randa Duncan Williams is an American billionaire and businesswoman, recognized for her significant stake in Enterprise Products Partners, a leading North American oil and gas pipeline company. Born in 1961, she is the daughter of Dan Duncan, the co-founder of Enterprise Products. Williams's career includes experience as a lawyer and leadership roles at Enterprise Products, where she served as president and CEO. She holds degrees from Rice University and the University of Houston Law Center. With a net worth estimated at $9.6 billion, she is also involved in philanthropy, supporting educational and cultural institutions, and currently serves as the non-executive chair of Enterprise Products Partners. In 2019, Williams acquired Texas Monthly magazine, expanding her influence beyond the energy sector.

Wealth Over Time

In-Depth Profile

Early Life

Randa Lynn Williams, née Duncan, was born in 1961 to Barbara Ann and Dan Duncan in Houston, Texas. Her father, Dan Duncan, was the co-founder of Enterprise Products, a major player in the oil and gas industry. She grew up in Houston and attended local schools.

Rise to Success

Williams's career began with a legal background. She earned a Juris Doctor (JD) from the University of Houston Law Center and a bachelor's degree from Rice University. She practiced law with firms like Butler & Binion and Brown, Sims, Wise & White. In 1994, she joined Enterprise Products, eventually becoming its president and CEO until February 2001. Following her father's death in 2010, she inherited a significant portion of his estate. She was elected as non-executive chairman of Enterprise Production Partners in 2013. In 2019, she expanded her business interests by acquiring Texas Monthly magazine.

Key Business Strategies

Randa Duncan Williams is primarily involved in the energy sector through her significant ownership in Enterprise Products Partners. Enterprise Products owns extensive energy pipelines, natural gas processing plants, and oil storage facilities. Her leadership at Enterprise Products has been crucial to the company's growth and success. As a major shareholder and board chair, her strategic decisions impact Enterprise's operations and financial performance.

Philanthropy

Williams is actively engaged in philanthropy, particularly in Houston. She has contributed to numerous Houston-based charities. She serves on the board of trustees for the Houston Zoo and has served on the board of trustees for the Houston Museum of Natural Science since 1995, also serving as its chairman. She has also served on trustee boards for the Manned Space Flight Education Foundation, River Oaks Baptist School, and the Houston A+ Challenge.

Career Milestones

1988

Practiced Law

Began practicing law, handling toxic tort cases and property liability cases.

1994

Joined Enterprise Products

Joined Enterprise Products and served as President and CEO until February 2001.

2010

Inherited Fortune

Inherited $3.1 billion upon her father's death, becoming one of the first American billionaires to pay no estate tax.

2013

Non-Executive Chairman

Elected as the non-executive chairman of Enterprise Production Partners.

2019

Acquired Texas Monthly

Purchased Texas Monthly magazine.

Philanthropy & Social Impact

Education and Culture

Houston Zoo

Undisclosed

Member of the board of trustees.

Education and Culture

Houston Museum of Natural Science

Undisclosed

Served as member and chairman of the board of trustees.

Education

Manned Space Flight Education Foundation

Undisclosed

Served on the trustee boards.

Education

River Oaks Baptist School

Undisclosed

Served on the trustee boards.

Education

Houston A+ Challenge

Undisclosed

Served on the trustee boards.