Harold Hamm

Harold Glenn Hamm[2] (born December 11, 1945) is an American entrepreneur. He is best known for he development of the large shale oil resources of the Bakken formation.[3]

Harold Hamm
Harold Hamm 2012 Shankbone.JPG
Hamm at the 2012 Time 100 gala
Born
Harold Glenn Hamm

11 December 1945 (aged 80)
Net worthDecrease US$5.6 billion
(March 2020)[1]
Political partyRepublican
Spouse(s)Judith (divorced 1987)
Sue Arnall (divorced 2014)
Children5

As of January 2018, Hamm's net worth is said to be $14.2 billion, making him the 79th richest person in the United States.[4]

In 2012, presidential candidate Mitt Romney named Hamm as his energy advisor.[5]

In 2016, then-Republican presidential nominee Donald Trump was thinking about making Hamm United States Secretary of Energy.[6]

In October 2025, Hamm was named by the White House as a donor to the construction of the White House State Ballroom, a proposed 90,000-square-foot expansion of the East Wing.[7]

In March 2026, Hamm called Oklahoma Governor Kevin Stitt to ask if he could be picked to replace Markwayne Mullin as U.S. Senator after Mullin becomes Secretary of Homeland Security.[8] However Stitt ended up picking businessman Alan Armstrong as Mullin’s replacement.[9]

Harold Hamm Media

References

  1. Harold Hamm & family. Forbes. Retrieved 2 March 2020.
  2. http://docs.house.gov/meetings/FA/FA00/20140326/101956/HHRG-113-FA00-Bio-HammH-20140326.pdf
  3. Gregory Zuckerman, The Frackers: The Outrageous Inside Story of the New Billionaire Wildcatters 2013, Portfolio Penguin. ISBN 9781591846451
  4. Bloomberg Billionaires Index: Harold Hamm. https://www.bloomberg.com/billionaires/profiles/harold-g-hamm/. Retrieved 2018-11-13. 
  5. Carroll, Joe (March 1, 2012). "Romney Names Oklahoma Oil Billionaire Hamm as Energy Adviser". Bloomberg. https://www.bloomberg.com/news/2012-03-01/mitt-romney-names-oklahoma-oil-billionaire-harold-hamm-as-energy-adviser.html. 
  6. Conlin, Michelle (July 21, 2016). "Exclusive: Trump considering fracking mogul Harold Hamm as energy secretary - sources". Reuters. https://www.reuters.com/article/us-usa-election-trump-hamm-exclusive-idUSKCN10100Z. Retrieved July 21, 2016. 
  7. Maher, Kit. White House releases list of donors for Trump’s multi-million-dollar ballroom (in en). CNN (2025-10-23). Retrieved 2025-10-23.
  8. Luetkemeyer, Em; Gorman, Reese (March 6, 2026). "Oil Tycoon and GOP Donor Harold Hamm Asked Oklahoma Gov. Kevin Stitt for Senate Appointment". Oklahoma Watch. https://oklahomawatch.org/2026/03/06/oil-tycoon-and-gop-donor-harold-hamm-asked-oklahoma-gov-kevin-stitt-for-senate-appointment/. Retrieved March 6, 2026. 
  9. read, Graham Dowers 2 min. Oklahoma Gov. Stitt expected to appoint Alan Armstrong to Senate, sources tell News On 6 (in en-US). NewsOn6.com (2026-03-22). Retrieved 2026-03-24.