LeaderPortfolio
Williams
R
Rank #315
UNITED STATESEnergyPipelines

Randa Duncan Williams

Net Worth
$10.487B
+0.87% (24h)
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.

How to read Randa Duncan Williams's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Randa Duncan Williams, we anchor the narrative to Pipelines and Pipelines, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $10.487B alongside global rank #315, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (UNITED STATES) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

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 Timeline

2019

Acquired Texas Monthly

Purchased Texas Monthly magazine.

2013

Non-executive Chairman

Elected as Enterprise Production Partners' non-executive chairman.

2001

President and CEO of Enterprise Products

Promoted to president and CEO of the company.

1994

Joined Enterprise Products

Joined Enterprise Products Partners.

Philanthropic Impact

EducationUndisclosed

Houston Zoo

Serves on the board of trustees.

EducationUndisclosed

Houston Museum of Natural Science

Member of the board of trustees and former chairman.

EducationUndisclosed

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

Actively involved; clinic named after her father.

Key Business Ventures & Holdings

CompanyStakeValue
Enterprise Products Partners8.00%$6.53M

Net Worth History

In-Depth Analysis

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.

Data Sources & Methodology

Figures for Randa Duncan Williams are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.