Dick Stoneburner Headshot

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.

Joel Riddle Headshot

Joel Riddle

Managing Director and CEO

Joel Riddle joined Tamboran Resources as Chief Executive Officer in 2013.

He has more than 25 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.

Fred Barrett Headshot

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.

Patrick Elliott Headshot

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.

Stephanie Reed Headshot

Stephanie Reed

Director (Non-Executive)

Ms. Reed serves as Partner of Formentera Partners. She oversees all aspects of business development, land, geosciences and marketing/midstream at Formentera while additionally assisting with asset management and operations.

She brings with her over 15 years of oil and gas experience. Most recently, Ms. Reed served as Vice President of Oil & Gas Marketing & Midstream at Pioneer Natural Resources Company (NYSE: PXD).

Ms. Reed worked alongside Sheffield for more than a decade at Parsley Energy. Prior to Pioneer, she served as Senior Vice President of Business Development, Land, Marketing & Midstream at Parsley. She has led business development and integration efforts for over US$20 billion in asset value.

Ms. Reed graduated from Texas Tech University with a Master of Business Administration and Bachelor of Applied Science. In 2019, Oil and Gas Investor magazine awarded her with a spot on its distinguished “Forty under 40” list.

Honorable Andrew Robb AO Headshot

Honorable Andrew Robb AO

Director (Non-Executive)

The Hon. Andrew Robb AO served as a Member of Australia’s House of Representatives for 12 years, including having served as Australia’s Minister for Trade, Investment, and Tourism in the Federal Parliament. He was elected as the Member for Goldstein, Victoria, in 2004 and retired from politics in 2016.

In this role, Mr Robb was instrumental in negotiating free trade agreements with South Korea, Japan, and China, as well as the 12-country Trans-Pacific Partnership (TPP) agreement and the Comprehensive Strategic Partnership with Singapore.

He was also a member of the investment team for the Chevron-operated Gorgon Gas Project, currently exporting LNG from Barrow Island in Western Australia. Mr Robb is currently Chairman of The Robb Group (wealth management, corporate and investment advisory company), CLARA Energy, The AgriFood Data Exchange and CBMA; a Board Member of The Kidman Cattle Enterprise, Mind Medicine Australia, as well as advising a range of national and international businesses.

He has also served as a Board Member of Sinclair Knight Merz, which was then Australia’s largest consulting engineering company, has served as Chairman of Asialink, a Board Member of the Ten Network and the Garvan Medical Research Foundation.

David Siegel Headshot

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.

Ryan Dalton Headshot

Ryan Dalton

Director (Non-Executive)

Mr. Dalton has a strong background in finance and energy markets, including corporate finance and strategic planning, having previously served as Executive Vice President, Chief Financial Officer at Parsley Energy from 2012, until being acquired by Pioneer Natural Resources in 2021.

Prior to his role at Parsley, Mr. Dalton served as an investment banker in Rothschild’s restructuring group as well as a consultant at AlixPartners. Mr. Dalton earned an undergraduate degree in finance from Southern Methodist University and a Master of Business Administration from the University of Virginia.

John Bell Headshot

John Bell

Director (Non-Executive)

Mr Bell has more than 25 years’ experience in unconventional drilling and operations. John is the Senior Vice President, International & Offshore, at H&P, one of Tamboran’s major shareholders (~7.5%) and the largest drilling solutions provider in the US. His role includes overseeing H&P’s drilling operations and business development efforts in South America, the Middle East and the Gulf of Mexico.

Mr Bell joined H&P in 1998 as a Business Systems Analyst and has held various senior leadership positions, including Vice President of Human Resources and Vice President of Corporate Services. Early in his career, Mr Bell led various projects focused on improving rig operations such as rig move optimisation, offshore crane operations and maintenance systems. He is a current member of H&P’s Executive Leadership Team and has been instrumental in creating partnerships and opening new markets for H&P.

Mr Bell has a Bachelor of Business Administration Degree with a double major in Economics and Marketing from Baylor University.