Mr. Sheffield has more than 50 years of experience in the energy industry, including building a company into a top tier exploration and production company that was acquired by Exxon Mobil Corporation in a transaction that closed in May 2024. From 2019 until December 31, 2023, he served as a director and Chief Executive Officer of Pioneer Natural Resources Company (“Pioneer”), a large publicly traded domestic upstream oil and gas company. He retired on December 31, 2023, as CEO and remained as a director until May 2024. Mr. Sheffield served as the founding Chief Executive Officer of Pioneer from August 1997 until his retirement in December 2016, and he also served as board chair from 1999 until 2019 when he returned as the CEO. Mr. Sheffield was the CEO of Parker and Parsley Petroleum Company, a predecessor company of Pioneer, from 1985 until it merged with MESA, Inc. to form Pioneer in 1997. Mr. Sheffield joined Parker and Parsley as a petroleum engineer in 1979, was promoted to Vice President of Engineering in 1981, was elected President and a director in 1985, and became board chair and Chief Executive Officer in 1989. Mr. Sheffield served as a director of Santos Limited, an Australian exploration and production company, from 2014 to 2017. He previously served as a director from 1996 to 2004 on the board of Evergreen Resources, Inc., an independent natural gas energy company.
Mr. Sheffield holds a Bachelor of Science in Petroleum Engineering from the University of Texas. He has also served on various industry and education-related boards, including the National Petroleum Council, America’s Natural Gas Alliance, and the Maguire Energy Institute of the Southern Methodist University Cox School of Business. Mr. Sheffield is also a 2013 inductee to the Permian Basin Petroleum Museum Hall of Fame.
What is Scott D. Sheffield's net worth?
The estimated net worth of Scott D. Sheffield is at least $10.48 million as of April 8th, 2026. Mr. Sheffield owns 292,430 shares of Tamboran Resources stock worth more than $10,479,229 as of April 20th. This net worth evaluation does not reflect any other investments that Mr. Sheffield may own. Learn More about Scott D. Sheffield's net worth.
How do I contact Scott D. Sheffield?
Has Scott D. Sheffield been buying or selling shares of Tamboran Resources?
During the past quarter, Scott D. Sheffield has bought $251,779.80 in shares of Tamboran Resources stock. Most recently, on Wednesday, April 8th, Scott D. Sheffield bought 6,990 shares of Tamboran Resources stock. The stock was acquired at an average cost of $36.02 per share, with a total value of $251,779.80. Following the completion of the transaction, the director now directly owns 292,430 shares of the company's stock, valued at $10,533,328.60. Learn More on Scott D. Sheffield's trading history.
Who are Tamboran Resources' active insiders?
Are insiders buying or selling shares of Tamboran Resources?
In the last year, Tamboran Resources insiders bought shares 4 times. They purchased a total of 582,687 shares worth more than $10,668,664.58. The most recent insider tranaction occured on April, 13th when Director Phillip Z Pace bought 10,000 shares worth more than $369,900.00. Insiders at Tamboran Resources own 4.5% of the company.
Learn More about insider trades at Tamboran Resources. Information on this page was last updated on 4/13/2026.