Billionaire Profile
Paul Foster
Global Rank
#958

Image: Roger Harris | CC BY 3.0 | via Wikimedia Commons

Paul Foster

CEO, Oil refining
UNITED STATES
Real-Time Net Worth
$4.365B
Estimated based on Oil refining stock value as of March 6, 2026
-0.34% (24h)
Age
68
Source
Oil refining
Industry
Energy
Citizenship
UNITED STATES

Biography

Paul Foster is an American businessman and philanthropist, known for building a fortune in the oil refining industry. He is the CEO of Franklin Mountain Investments. His career includes founding Western Refining, which he later sold for $6.4 billion. With an estimated net worth of $3.2 billion as of early April 2025, Foster is actively involved in real estate, sports, and civic projects, as well as a range of philanthropic endeavors. He is recognized for his significant contributions to education and community development, particularly in the El Paso, Texas, region, where he resides.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Paul L. Foster was born on October 8, 1957, and raised in Lovington, New Mexico. He graduated from Baylor University in 1979 with a bachelor's degree in accounting. He began his career working with small oil refineries in the Southwest.

Rise to Success

Foster's career took a significant turn in 1997 when he founded Western Refining. Under his leadership, the company became the fourth-largest publicly traded independent oil refinery in the United States by 2006. Foster appeared on the Forbes 400 list in 2007, ranking 261st with a net worth of $1.9 billion. He later sold Western Refining to Tesoro Corporation (now Marathon Petroleum) in 2017 for $6.4 billion.

Key Business Strategies

Foster's key business strategies included acquiring and operating oil refineries, eventually expanding Western Refining and going public in 2006. He later diversified his investments through Franklin Mountain Investments, with stakes in numerous companies spanning real estate, restaurants, and sports.

Philanthropy

Foster is also known for his philanthropy. Since 2007, he and his wife, Alejandra de la Vega Foster, have donated over $182 million to charitable causes and organizations, including a $50 million donation to create the Paul L. Foster School of Medicine at Texas Tech University Health Sciences Center El Paso and $100 million to Baylor University.

Career Milestones

1979

Graduated from Baylor University

Earned a bachelor's degree in accounting.

1997

Founded Western Refining

Founded the oil refining company, which became a major player in the industry.

2006

Western Refining went public

The company became the fourth-largest publicly traded independent oil refinery in the United States.

2007

Featured on Forbes 400 List

Ranked 261st with a net worth of $1.9 billion.

2017

Sold Western Refining

Sold the company to Tesoro Corporation for $6.4 billion

2025

Sold an Energy Venture

Sold energy venture for $2.5 billion.

Philanthropy & Social Impact

Education

Paul L. Foster School of Medicine

$50M

Donation to Texas Tech University Health Sciences Center El Paso.

Education

Baylor University

$100M

Donation for the Paul and Alejandra Foster Pavilion.

Community Development

Sun Bowl Stadium Renovation

$5M

Donation for renovation of the stadium at the University of Texas at El Paso.

Community Development

El Paso Zoo

$2M

Donation to the El Paso Zoo.

Community Development

El Pasoans Fighting Hunger food bank

$0.5M

Donation to help aid the El Pasoans Fighting Hunger food bank.

Business Philosophy & Leadership

Notable Quotes

""It all comes back to improving people's lives. My philosophy is to leave this world better off for my having been here.""

Leadership Principles

Long-term Vision

Focusing on big impact and longer-term investments that benefit the most amount of people.

Community Impact

Prioritizing efforts in the region that improve access to education and alleviate hunger and poverty.

Controversies & Challenges

2009

Feud with brother-in-law

Publicly feuding with his brother-in-law, Artemio de la Vega, over tax incentives for building Las Palmas Marketplace.

2021-2024

ERCOT Chair

Foster served as the chair of the Electric Reliability Council of Texas (ERCOT) and resigned in June 2024.