Mr. Leo Koot

Executive Chairman

Mr Koot is a Dutch national, currently residing in the UK, with over 28 years of industry experience. During his extensive career, he has run oil and energy businesses and has been an active board member, most recently with AIM listed Sterling Energy PLC as Senior Independent Non-Executive Director.

Mr Koot's global energy experience includes his role as Managing Partner of MENA Gulf Investment Partners (Abu Dhabi), President of Abu Dhabi National Energy Company's TAQA Iraq and Managing Director of TAQA UK where he built the organization from a few people to an organization of over 2,000 staff and contractors and delivered a mature E&P operating company that managed 60,000 bopd production with US$1.7 billion in annual revenues.

Prior to TAQA, Mr Koot was CEO of Energy Development Partners an oil and gas business creating ways to match capital and resources with developing production, for which he helped raise a US$350 million private equity fund. Mr Koot has a Master in Petroleum Engineering and a business degree from Harvard Business School.

Leo sits on the Audit Committee.

Mr. Tony Hawkins

Chief Executive Officer

Tony Hawkins is a commercial adviser and qualified lawyer of over 20 years' experience. His experience is in advising on and implementing large scale M&A and project developments. He also has experience in asset management and Legal & Regulatory compliance. These skills have been predominately in oil and gas but also in power, LNG and renewables. Prior to Columbus, Mr Hawkins was General Counsel & Head of Commercial for Sterling Energy plc, a London listed oil & gas company. He was also the company secretary. Prior to Sterling Energy, he spent 6 years at the upstream division of Centrica plc (a FTSE 100 listed utility). During this period, he spent 4 years working on Centrica’s oil & gas assets in Trinidad and gained significant experience of the regulatory and operational requirements of Trinidad. He holds a Bachelor of Law and Bachelor of Arts (Hons) and is an English qualified lawyer.

Mr. Gordon Stein

Chief Financial Officer

Gordon Stein is a member of the Chartered Institute of Public Finance & Accountancy and was the CFO of AIM-traded Madagascar Oil Limited from June 2013 to October 2016.

Mr Stein was previously CFO at Cadogan Petroleum plc which is an independent oil and gas exploration, development and production company with onshore gas and condensate assets in Ukraine. Preceding this, was CFO at Vanguard Energy Limited and Regal Petroleum plc. He has also held senior financial and operational management positions in Fairfield Energy Limited, Acorn Oil and Gas Limited, LASMO PLC, Monument Oil & Gas plc, Centrica plc and BG pc. Mr Stein has over 26 years’ experience in the upstream oil and gas sector in the UK and internationally, including Madagascar, Ukraine, Tunisia, Venezuela, Algeria and Turkmenistan.

Gordon sits on the Remuneration Committee.

Mr. Michael Douglas

Non-Executive Director

Michael has worked in the business consultancy sector for over 40 years. He founded the Quo Group in 1993, a consultancy working globally specialising in behavioural change, performance management, customer service, talent management and leadership development. Over the last two decades Michael has positioned Quo as one of the world’s leading change specialist consultancies.
Previously He was Managing Partner for PA Consulting Group’s International People Practice where his responsibilities covered the Group’s Organisational Development, Pay & Rewards, Search & Selection, Advertising & Development and Process Enhancement activities.
Michael himself works extensively with ‘C Suite’ leadership teams where he fulfils the role as trusted adviser and coach, designing and leading major change assignments across an international portfolio of clients, spanning multiple sectors.
Michael chairs the Remuneration Committee and sits on the Audit Committee.