San Leon Energy PLC

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Market Cap:
£99.88 m
22.20 GBX
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We are committed to a strategy of securing production and near-term operating cash flow, yielding value to shareholders. We are driven by our technical expertise, operational capabilities and industry contacts, secured by the close links we forge with governments, partners and the local communities in which we operate.

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San Leon has transitioned from a largely exploration focussed independent to a producing energy company.  Our indirect participation in OML18, a world-class oil and gas block onshore Nigeria, forms the centrepiece of our portfolio. The company also has interests across a number of other assets.













































Oisín Fanning

Chief Executive Officer

“With our interest in OML 18, onshore Nigeria, San Leon has secured a base from which we can build across Africa.”

Background and experience

Oisín has almost 30 years’ experience in structured finance, stockbroking and corporate finance, with 22 years specialising in the oil and gas industry. Formerly CEO of Astley & Pearce Ltd., MMI Stockbrokers, and Smart Telecom Plc, Oisín was closely involved with the restructuring of Dana Petroleum Plc in the early 1990s. He was also a major supporter of Tullow Oil Plc in its early growth phase.

Key strengths

Oisín is both visionary and deeply practical in pursuing business goals on behalf of stakeholders. He recognises the importance of finding and developing talented people to achieve a clear set of objectives.


Mutiu Sunmonu

Non-Executive Chairman

“San Leon Energy has succeeded in closing a game-changing transaction, with OML 18, onshore Nigeria. Today, this represents the main focus of the Company’s activities and – indeed – its future.“

Background and experience

Mr Sunmonu has led the Company as Non-Executive Chairman since the purchase of our indirect economic interest in OML 18 in September 2016. Mr Sunmonu is a former managing director of Shell Petroleum Development Company and was country chairman of Shell companies in Nigeria from 2008 to February 2015. He led Shell’s multibillion dollar operations in Nigeria employing over 4000 direct staff with revenue contribution to the Nigerian Government of ~$70 billion dollars during 2009-2013. He has worked in the industry for over 36 years in Nigeria, the UK and the Netherlands. His strategic vision, proven track record and deep knowledge of Nigeria, brings valuable Nigerian operating experience and relationships to San Leon Energy Plc.

Key strengths

Strategic vision, proven track record and deep knowledge of Nigeria, including valuable Nigerian operating experience and relationships


Joel Price

Chief Operating Officer

“It is most Petroleum Engineers’ wish to be in the middle of a world-class asset with an active work programme of well revitalisations and new drilling. OML 18 offers a strong cross-section of existing production, contingent resources, vast exploration opportunities, existing oil and gas infrastructure, and nearby downstream offtake – all on a block which is larger than Bahrain.”

Background and experience

Joel is a petroleum engineer with 25 years’ experience, having worked across well operations, reservoir engineering, production optimisation, asset management and business development. He was instrumental in the drilling and hydraulic fracturing of the first multi-fracked horizontal wells in Poland. Joel was previously in various technical roles with Hess in the UK and Algeria, including extensive well workover and field rehabilitation, followed by 3 years as Business Development Manager at Delta Hydrocarbons BV in The Netherlands (evaluating opportunities worldwide). He holds a BA Hons. in Natural Sciences (Geology) from Cambridge University, an MEng in Petroleum Engineering from Heriot-Watt University, and an MBA with distinction from Durham University.

 Key strengths

Technical expertise, ability to synthesise and see through complex situations, combined to relationship-building skills.


Lisa Mitchell

Chief Financial Officer

“San Leon’s shareholders expect prudent financial management and controls, and I expect to deliver that in a way that will enable company growth”

Background and experience

Lisa is an experienced Chief Financial Officer with over 25 years’ international experience, across the oil and gas, mining and the pharmaceutical industries. She was most recently CFO and Executive Director of Lekoil Limited (AIM: LEK), the African focused oil and gas exploration and production company with interests in Nigeria.
Previously, Lisa was CFO and Executive Director at Ophir Energy plc, formerly a FTSE 250 company (LSE:OPHR) where she was responsible for contributing to the overall business strategy of Ophir; leading the finance function including all financial, taxation, treasury and funding requirements and investor relations. Lisa’s previous roles include CSL Limited, (ASX top 50) and Mobil Oil Australia. Lisa is a Certified Practicing Accountant (CPA Australia) and holds a Bachelor of Economics (major in Accounting) from La Trobe University, Melbourne and a Graduate Diploma in Applied Corporate Governance from the Governance Institute of Australia.

Key strengths

Strategic, financial, taxation and treasury expertise


Alan Campbell

Director of Commercial & Business Development

“We believe we structured our OML 18 Nigeria investment in a way that protected our shareholders as much as possible, even in a low oil price environment. With commodity prices having increased and stabilised since our entry into the asset in 2016, we consider San Leon to be well positioned to build from this foundation”

Background and experience

Alan has 17 years’ experience in international business, banking and the oil & gas industry. He has project managed international merger, acquisition and divestment transactions valued at over US
$350 million – including origination, negotiation, due diligence, deal structuring, closing, post deal integration and management. Alan holds a Master’s Degree in Project Finance & Venture Management (First Class Honours). He has extensive commercial, evaluation and strategic expertise.

Key strengths

Ability to project manage and deliver strategic, commercial, legal and financial objectives in often complex multi-jurisdictional transactions.


Mark Phillips

Non-Executive Director

With my extensive background in working to generate shareholder value, I will continue helping guide the company in maximising the growth accruing from the strong cashflow derived from our investment in OML18 in Nigeria.

Background and experience

Mark was a founding partner of private equity firm Penta Capital LLP and had previously been a senior investment executive with the private equity team at Royal Bank of Scotland plc. He holds an honours degree in Economics and Law from the University of Strathclyde as well as an MBA from the University of Edinburgh. He is a member of The Merchant Company of Edinburgh and brings a wealth of economic, financial investment and strategic advice to the Board.

Key strengths

Economic vision combined with hands-on financial and corporate governance expertise.


Linda Beal

Non-Executive Director

“Compliance in a growing company is an integral part of building sustainable value, and as Chair of the Audit Committee, I look forward to continuously strengthening that base for our shareholders”

Background and experience

Ms Beal was a partner at PwC for 16 years specialising in the natural resources sector and became global leader for energy and natural resources at Grant Thornton. She has extensive experience of advising groups with African assets. She is currently a non-executive director and chair of the Audit and Risk Committee of Kropz Plc, a non-executive director and chair of the Audit Committees of 13 Energy plc and Orca Exploration Group Inc, and a non-executive director and chair of the Audit and Risk Committee and the Remuneration Committee of Aminex PLC.

Key strengths

Corporate governance, financial and taxation expertise


Adekolapo Ademola

Non-Independent Non-Executive Director

“San Leon’s investment in OML 18 in Nigeria represents a strategic play in an established but potential rich region. With such a solid investment foundation, San Leon is primed to realise and optimise its growth potential across the entire oil and gas value chain in the region.”

Background and experience

Kolapo is a marketing and business strategy specialist with over 30 years’ experience. A Business Management graduate from the University of Jos, Nigeria with further training in the USA & UK. With extensive consulting experience across multiple industry sectors added to his 17+ years of involvement in the Nigerian oil and gas sector; Kolapo brings valuable regional knowledge, expertise and relationships to San Leon Energy Plc.

Key strengths

Strategic Planning, Business Development, Relationship Building Skills and extensive Regional Knowledge


San Leon Energy plc

3300 Lake Drive
Citywest Business Campus
Dublin 24

Tel: +353 (0)1 2916292

Email: [email protected]


San Leon Energy plc

6 Elsie Femi Pearse Street
Victoria Island, Lagos

Email: [email protected]



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