Board of Directors

Mr. Dick Stoneburner


Mr. Stoneburner agreed to join the Board of Tamboran as a Non-Executive Director in September 2014. He has 35-plus years’ experience in petroleum geology. He is a former co-founder, President and Chief Operating Officer of Petrohawk Energy Corporation and President – North America Shale Production Division for BHP Billiton Petroleum. Prior to co-founding Petrohawk, Mr. Stoneburner was Vice President, Exploration, for 3Tec Energy Corporation and worked for several E&P companies, including Hugoton Energy Corporation, W/E Energy Company, Stoneburner Exploration Inc and Texas Oil & Gas. Mr. Stoneburner has a Bachelor of Science (Geological Sciences) from the University of Texas, a Masters of Science (Geology) from Wichita State University and has most recently been a member of the American Association of Petroleum Geologist’s Distinguished Lecturer Series, 2013. He is currently a director of a number of oil and gas exploration and production companies.

Mr. Joel Riddle

Managing Director and CEO

Mr Riddle joined Tamboran Resources as Chief Executive Officer in 2013. He has more than 17 years’ experience in the upstream oil and gas industry and was previously with Cobalt International Energy, where he worked closely with executive management in the initial evaluation and implementation of the exploration growth strategy in the Gulf of Mexico and West Africa, playing an instrumental role in Cobalt’s $1 billion initial public offering in 2009 and subsequent capital raising efforts in 2010 and 2011. Mr Riddle also served various technical and leadership roles at ExxonMobil, Unocal and Murphy Oil. Mr Riddle holds a Bachelor of Science with Honors in Mechanical Engineering from the University of Florida and a Master of Business Administration from the University of Chicago.

Mr. Fred Barrett

Director (Non-Executive)

Mr. Barrett agreed to join the Board of Tamboran as a Non-Executive Director in September 2014. He is an oil and gas professional and entrepreneur who recently retired from Bill Barrett Corporation, an exploration and production company he helped found in 2002 and which is listed on the New York Stock Exchange. Mr. Barrett spent 12 years at Bill Barrett Corporation where he was instrumental in its growth into a 300+ employee organization and its successful float on the NYSE. He acted as President and as an executive director of the Company through 2006, and CEO, Chairman of the Board and President from 2006 to 2013. Mr. Barrett has extensive technical and geological expertise in unconventional resources and a deep commercial understanding of the shale gas industry. He has a Bachelor of Science (Geological Sciences) from Ft Lewis College, a Masters of Science (Geological and Earth Sciences/Geosciences) from Kansas State University and an Advanced Management Degree from Harvard Business School. Mr. Barrett has previously worked for The Williams Companies, Barrett Resources and Terred Oil.

Mr. Dan Chandra

Director (Non-Executive)

Mr. Chandra joined the board in April 2019. Dan is currently a senior investment professional at Lion Point Capital, a value-focused investment fund based in New York City. He has over seventeen years of investing experience across a range of industries and in equity, credit, and distressed debt. Dan previously worked as a senior analyst and portfolio manager at DW Partners and at DW predecessor Brevan Howard. Dan received an AB in Economics from Stanford University and a Master of Business Administration from The Wharton School, University of Pennsylvania.

Ms. Ann Diamant

Director (Non-Executive)

Ms. Diamant joined the Board of Tamboran as a Non-Executive Director in March 2021. She has more than 35 years’ experience in the oil and gas and investment banking industries. Ms Diamant joined ASX-listed Oil Search Limited in 2003 and was responsible for developing and implementing the Company’s highly regarded investor relations strategy. From 2010 to 2019, in addition to Investor Relations, she was also head of the Corporate Communications and Media Relations functions. Before Oil Search, Ms Diamant was Investor Relations Manager at Orogen Minerals Limited and held various other positions in investment banking and finance, including Head of Equities Research for SBC Australia and Head of Oil and Gas, Utilities Research for HSBC Securities Australia. Ms. Diamant has a BSc Hons (First Class) in Colour Chemistry from the University of Leeds and an MSc, DIC in Management Science from Imperial College, London. In 2015, she was appointed a Fellow of the Australian Investor Relations Association (AIRA) and served as a member of the AIRA Capital Markets Committee in 2018 – 2019 and the AIRA Best Practice Guidelines Revision Working Group in 2020.

Mr. Patrick Elliott

Director (Non-Executive)

Mr. Elliott established Tamboran in 2009 and is a company Director (Non-Executive). He is formerly the founder and Director of Eastern Star Gas and SAPEX Limited, both highest successful oil and gas exploration ventures in Australia. He also served as Chairman of Meerkat Energy Pty Ltd and Managing Director at Gold Fields Morgan Grenfell. Mr Elliott holds a Bachelor of Commerce (Accounting and Financial Systems) from the University of New South Wales and a M.B.A. (Mineral Economics) from Macquarie University.

Mr. David Siegel

Director (Non-Executive)

Mr Siegel joined the Board of Tamboran as a Non-Executive Director in March 2021. Mr Siegel is the Chairman and Managing Member of Longview Petroleum, LLC, one of Tamboran’s largest shareholders. He currently serves as a Senior Advisor to Apollo Global Management, one of the world’s largest and most successful private equity firms. He also serves as the Chairman of two Apollo portfolio companies, Sun Country Airlines and Volotea, S.A. For the past 25 years, Mr. Siegel has served as Chairman and/or CEO of several leading aviation companies including: AWAS (aircraft leasing); Frontier Airlines; XOJET, Inc. (private aviation); Gategroup, A.G.; US Airways Group; and Continental Express. Mr Siegel also served as the Chairman and CEO of Avis Budget Group. He began his career as a consultant at Bain & Co. Mr. Siegel served for 12 years on the Advisory Board of Trilantic Capital Partners, formerly Lehman Brothers Private Equity, a leading investor in unconventional oil and gas. Siegel earned an M.B.A., with honors, from Harvard Business School and Sc.B., magna cum laude, in Applied Mathematics-Economics from Brown University.

Executive Management

Tamboran believes in
Blue Sky Thinking.

This means bringing together the best minds, technology and capital to create energy solutions for tomorrow’s world.