Billionaire Profile
H
Global Rank
#173

Image: Unknown Author | Public domain | via Wikimedia Commons

Harold Hamm & family

CEO, Oil & gas
UNITED STATES
Real-Time Net Worth
$16B
Estimated based on Oil & gas stock value as of March 6, 2026
0% (24h)
Age
80
Source
Oil & gas
Industry
Energy
Citizenship
UNITED STATES

Biography

Harold Hamm, an 80-year-old American oil and gas magnate, is the founder and chairman of Continental Resources. His career began in the oil fields at a young age, and through innovation in fracking, he transformed the U.S. oil industry. Hamm's estimated net worth is $16.0 billion, stemming from his primary wealth source: oil and gas. He has received numerous awards and recognition, including the Horatio Alger Award, reflecting his journey from humble beginnings to a position of influence. Hamm is a prominent figure in the energy sector, known for his business acumen and contributions to American energy independence.

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

Wealth Over Time

In-Depth Profile

Early Life

Harold Glenn Hamm was born on December 11, 1945, in Lexington, Oklahoma, as the youngest of 13 children to sharecroppers. Growing up in rural Oklahoma, Hamm's early life was marked by hard work and a strong family ethic. His earliest memory is picking tomatoes barefoot in the Oklahoma soil. At 16, he worked at a gas station and later in oil refineries. He graduated from Enid High School in 1964.

Rise to Success

Hamm started his career at 18 by working for an oilfield services contractor. In 1967, he founded Shelly Dean Oil Company, later renamed Continental Resources. Hamm's vision led to the use of horizontal drilling and hydraulic fracturing in North Dakota's Bakken region, revolutionizing the U.S. oil industry. He transformed Continental Resources into one of the largest independent oil companies in the U.S..

Key Business Strategies

Hamm's strategy involved identifying and investing in promising oil and gas plays. He built Continental Resources through strategic acquisitions and a focus on innovative extraction methods, particularly fracking. His approach to risk-taking, combined with technological advancements, fueled his company's growth.

Philanthropy

Hamm is committed to philanthropy, particularly in healthcare and education. He has contributed over $65 million to the Harold Hamm Diabetes Center at the University of Oklahoma, aiming to find a cure for diabetes. He has also donated to the University of North Dakota and the University of Mary to support engineering programs. In 2011, he signed The Giving Pledge, promising to give away the majority of his wealth during his lifetime.

Career Milestones

1967

Founded Shelly Dean Oil Company (later Continental Resources)

Established his first oil company at the age of 21, which would become a major player in the oil industry.

1990

Rebranded Shelly Dean Oil Company to Continental Resources

Rebranded his company, Continental Resources, marking a pivotal moment in its growth.

1990s

Pioneered fracking in the Bakken region

Led the use of horizontal drilling and hydraulic fracturing in North Dakota's Bakken region, transforming the U.S. oil industry.

2011

Inducted into Oklahoma Hall of Fame

Recognized for his significant contributions to Oklahoma.

2012

Named to TIME 100

Included in TIME Magazine's list of the 100 most influential people in the world.

Philanthropy & Social Impact

Healthcare

Harold Hamm Diabetes Center

$65M+

Dedicated to diabetes research at the University of Oklahoma

Education

Hamm School of Geology and Geological Engineering

$10M

Funded at the University of North Dakota

Education

Hamm School of Engineering

$10M

Established at the University of Mary

Research

Harold Hamm International Prize for Biomedical Research in Diabetes

$0.25M

Biennial award recognizing achievements in diabetes research

Business Philosophy & Leadership

Notable Quotes

"I always wanted to find oil. It was always an irresistible calling."

"Every time we can't drill a well in America, terrorism is being funded."

"Climate change isn't out biggest problem. It's Islamic terrorism."

Leadership Principles

Vision and Innovation

Hamm's focus on innovative extraction methods, such as fracking, transformed the oil industry.

Perseverance

Hamm's journey from a sharecropping family to one of the wealthiest individuals reflects perseverance.

Strategic Investments

His focus on identifying and investing in promising oil and gas plays has been a key factor in his success.

Controversies & Challenges

2014

Divorce Settlement

Hamm faced a high-profile divorce from Sue Ann Arnall, with a settlement of nearly $975 million.

2024

Continental Resources opting out of orphan well cleanup program

Continental Resources opted out of Oklahoma's voluntary fund to clean up orphaned oil wells, receiving nearly $1.6 million over 7 years in refunds from the state.

2006-2013

Oil well blowouts

From 2006-2013, there were 11 blowouts at oil wells operated by Continental Resources in North Dakota, resulting in hundreds of thousands of gallons of spilled oil and wastewater.