Mark was until recently Chairman and CEO of Ukrnafta, the publicly-listed company responsible for a significant proportion of oil production in Ukraine, with over 20,000 employees. Between 2008 and 2015, he was a senior executive at BG Group plc, the former international E&P company; his final positions being Senior Vice President within the COO’s office and managing BG’s interests in Kazakhstan. His other experiences have included senior leadership positions across international E&P, midstream and downstream oil and gas, and deregulated utility sectors. Beginning his career as a Petroleum Engineer with Shell International, Mark holds a doctorate in Engineering Science from Oxford University, as well as a Masters in Mathematics from Cambridge University.
Stewart has over 20 years of energy industry and investment banking experience. Stewart was until May 2024 the CFO of Beacon Energy plc having supported the re-launched of the business from an AIM cash shell through to the acquisition of Rhein Petroleum and re-admission to AIM in April 2023. Previously, Stewart was an Executive Director and Chief Financial Officer of Rockhopper Exploration plc for 8 years. Prior to joining Rockhopper, Stewart was an Executive Director of Rothschild's global Energy and Power investment banking group where he spent 12 years advising clients in the sector on a range of M&A transactions as well as debt and equity financings. He was previously a non-executive Director of United Oil & Gas plc.
Ross is a lawyer and experienced company director of both private and public resource companies listed on AIM and the Australian Securities Exchange. He has also held senior corporate roles with Mallesons Stephen Jaques in Australia and Clifford Chance in the UK. He is currently Executive Chairman of Blue Star Helium Limited.
He holds a Bachelor of Laws from University of Western Australia, and Master of Laws, University of Melbourne.
Leo is a Dutch national with over 35 years of international experience in the Energy & Power sector. Previous roles include Drilling Engineer at Shell, Managing Director UK then President Iraq for TAQA, Executive Chairman of Columbus Energy Resource, Senior INED for Sterling Energy plc. Leo is currently Executive Chairman of Tulip Oil Holdings, Joint MD at Rhein Petroleum and partner at Concordia Capital Partners (MENA GULF).