wholly owned by

wholly owned by Sumitomo Corporation.


Wataru Sato

CFO, Summit Exploration and Production Limited


Wataru Sato joined the Summit team in March 2015.

Prior to joining Summit, Wataru served as E&P business development manager for Sumitomo Corporation, Tokyo.

Wataru has over 25 years of experience in the oil and gas industries, including oil products trading, LNG project development and E&P upstream business

Kevin Smith

CEO, Summit Exploration and Production Limited


Kevin Smith has over 30 years of industry experience spanning the continental U.S., offshore Gulf of Mexico, Australia, Africa, Brazil, China, Malaysia and the North Sea. He joined Summit in April 2008 as engineering manager and was named CEO in May 2010.

Prior to joining Summit, Kevin served as engineering manager for Newfield Petroleum UK and as a reservoir engineer for other U.S. based independents Hunt Energy, American Exploration, and Louis Dreyfus Natural Gas.

Kevin holds BSc and MSc degrees in Petroleum Engineering from Texas A&M University. While at university, he was a National Merit scholar and a member of Pi Epsilon Tau, the Honour Society of Petroleum Engineers. He is a registered professional engineer in the state of Texas and a member of the Society of Petroleum Engineers.

Kenji Okayasu

Unit General Manager of the Mineral Resources and Energy Unit at Sumitomo Corporation Europe Limited


Kenji Okayasu joined the Summit E & P Board in 2016.

Kenji holds a Bachelors in Economics from Keio University (Japan) and an MBA in Business Administration from Manchester Business School.

Satoru Sugiura

General Manager of E&P Business Dept. Sumitomo Corporation


Satoru Sugiura joined the Summit team in April 2012 as CFO of the Company. Prior to joining Summit, Satoru served as E&P business development manager for Sumitomo Corporation, Tokyo, to cover the rest of the world beyond UK, focusing on Asian Pacific, South America, Sub-Sahara regions.

In addition to the 10 years of the oil & gas upstream business experience, Satoru has over 20 years of the structured finance experience in the oil and infrastructure industries, especially for Mexico and Brazil. In 1990's and 2000's, he was assigned as director of Sumitomo Corporation's affiliates in Venezuela and Argentina respectively.

Coming back to Tokyo in March 2015, he is General Manager of E&P Business Dept. Sumitomo Corporation.

Key Staff

Andrew Howard

Subsurface Development Manager


Andy has over 18 years of broad geoscience experience working predominantly for operating companies in the UKCS and Atlantic Margins. Experienced in a diverse range of geological interpretation covering asset evaluation, licence round activities, exploration, appraisal and development, prospect generation and maturation, operations, subsurface modeling and JV representation.

Andy has an honours degree in Geology from Imperial College, an MSc and PhD (tbs) from University College London, and an MBA in Oil and Gas Management from Robert Gordon University.

Chris Zgoda

HSE Manager


40 years’ industry experience including 15 years with leading operating companies and 6 years with DTI Oil & Gas Division. B.Sc. Geology, (Leicester), M.Sc., DIC Petroleum Geology (Imperial College, London), Fellow of Geological Society and member of the PESGB. Geoscientist with broad exposure to all aspects of exploration, appraisal and development, dominantly on UK projects but also includes Dutch, Spanish and African ventures. Experience includes wellsite operations, formation evaluation, operations planning and supervision including HP/HT. Management positions include exploration, and development supervisor and area exploration and asset manager. Worked with number of UK government and NGO departments and industry representational organisations. Joined Summit in 1998 and current position involves licence compliance, and responsibility for company’s Health, Safety and Environmental management systems and together with project peer review

Ken Lee

VP Finance


Ken qualified as a member of the Chartered Association of Certified Accountants in 1989. Ken trained with a firm of Certified Accountants in London and gained extensive experience in accounting and tax. Prior to joining Summit Ken was the Accounts Manager at Svenska Petroleum UK Limited. He joined Summit in July 2005, as Financial Controller, and was brought in to set up the entire accounting/tax function for Summit. Since then Ken has been involved in several buy/sell transactions with Summit and became VP Finance in January 2017.

Masaki Ozawa

Commerical Manager


Masaki Ozawa joined the Summit team in October 2015. Prior to joining the Summit team, Masa served as E&P business development manager for Sumitomo Corporation, Tokyo, covering the UK and Norway. In addition to the 5 years of the oil & gas upstream business experience, Masa has over 10 years of experience to engage in several international M&A transactions for Sumitomo's mining projects and infrastructure projects-US, Australia, China, Malaysia and Middle East, in legal, financial and commercial aspects.

Peter Clitheroe

Engineering and Business Development


Peter has over 30 years of diverse Petroleum Engineering and Business experience. Starting in the 80's as a Reservoir Engineer where the projects included huge field studies in Libya and India and a World Bank funded multi field gas reserves study in Bolivia.

Seven years of RE/PE contracting work for Majors, Independents and Utilities followed with 6 years of Asset Manager and Commercial work at Eon Ruhrgas prior to joining Summit in 2010 as the Engineering Manager. The BD role was added in 2017 following the retirement of the previous holder.

Peter has an honours degree in Chemical & Process Engineering from Heriot-Watt University Edinburgh and a Postgraduate Diploma in Offshore Engineering from Robert Gordon Institute of Technology (now Robert Gordon University). He has been a SPE member since 1986.

Russell Exley

Exploration Manager


Russell has over 15 years of experience working in industry and academia. He has a proven track record of finding quality drill targets in mature basins both in UK offshore licenses and internationally throughout the Atlantic margins. His wider career experience includes working for both operators and service companies, whilst using and developing advanced technologies including seismic inversion & QI workflows, ocean bottom seismic processing & acquisition and more recently machine learning.
Russell is an active member of the PESGB and FGS with a PhD in geophysics from the University of Birmingham and a 1st in geology from Cardiff University. When not actively exploring for oil and gas Russell contributes to the wider industry knowledge through research and publications.