Billionaire Profile
R
Global Rank
#329

Image: Unknown Author | Public domain | via Wikimedia Commons

Randa Duncan Williams

CEO, Pipelines
UNITED STATES
Real-Time Net Worth
$10.277B
Estimated based on Pipelines stock value as of April 20, 2026
0% (24h)
Age
64
Source
Pipelines
Industry
Energy
Citizenship
UNITED STATES

Biography

Randa Duncan Williams is an American billionaire businesswoman and the non-executive chairwoman of Enterprise Products Partners, a major midstream energy company. She inherited her wealth from her father, Dan Duncan, the co-founder of Enterprise Products Partners. With a background in law, holding degrees from Rice University and the University of Houston, she has played a pivotal role in the company's growth. Williams served as the President and CEO of Enterprise Products from 1994 to 2001 and as chairman until 2013, currently holding the non-executive chair position. Her leadership has been instrumental in the company's expansion into one of North America's largest midstream energy providers. Beyond her business endeavors, she is involved in philanthropy, contributing to the educational and cultural landscape of Houston. As of March 2026, her net worth is estimated at $10.2 billion.

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Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life

Randa Lynn Williams, born Randa Lynn Duncan, was born to Barbara Ann and Dan Duncan. She grew up in Houston, Texas, and attended local schools. Her father, Dan Duncan, was the co-founder of Enterprise Products Partners. She holds a Bachelor of Arts/Science from Rice University and a Doctor of Jurisprudence from the University of Houston.

Rise to Success

Randa Duncan Williams joined Enterprise Products in 1994 after graduating from the University of Houston with a law degree. In 2001, she was promoted to president and CEO of the company. Today, she serves as chairman of the board. She inherited $3.1 billion upon her father's death. She became one of the first American billionaires to pay no estate tax due to a temporary repeal in the estate tax law for the year 2010. She also acquired Texas Monthly in 2019.

Key Business Strategies

Randa Duncan Williams is the non-executive chairman of Enterprise Products Partners. She is the only one of four siblings involved in running the family business; all four inherited equal stakes in the company. Enterprise Products owns over 50,000 miles of energy pipelines, natural gas processing plants, and a large oil storage facility on the Gulf Coast. She expanded her influence by acquiring Texas Monthly in 2019 and actively participates in philanthropy. Her leadership has contributed to Enterprise Products Partners' growth into one of the largest midstream energy companies in North America. She is a member of the board of trustees for the Houston Zoo.

Philanthropy

Randa Williams is involved in philanthropy and has served on the boards of various organizations, including the Houston Zoo and the Houston Museum of Natural Science. She was on the trustee boards for the Manned Space Flight Education Foundation, River Oaks Baptist School, and the Houston A+ Challenge.

Career Milestones

1994

Joined Enterprise Products

Joined Enterprise Products Partners.

2001

President and CEO of Enterprise Products

Promoted to president and CEO of the company.

2013

Non-executive Chairman

Elected as Enterprise Production Partners' non-executive chairman.

2019

Acquired Texas Monthly

Purchased Texas Monthly magazine.

Philanthropy & Social Impact

Education

Houston Zoo

Undisclosed

Serves on the board of trustees.

Education

Houston Museum of Natural Science

Undisclosed

Member of the board of trustees and former chairman.

Education

University of Texas Health Science Center's Children's Learning Institute

Undisclosed

Actively involved; clinic named after her father.