Directors & Management

Deltic Energy has a strong Board and senior management team who are committed to delivering value for our stakeholders.

Mark Lappin

Mark has more than 35 years of experience in the oil and gas industry. Mark joined Deltic Energy as non-executive director in 2016 and became Chairman in May 2019. Prior to that Mark was Technical Director at Cuadrilla and Subsurface Director for UK and Netherlands at Centrica. Mark began his career at Phillips Petroleum and has held senior technical and commercial roles with ExxonMobil and Dart Energy. Mark is also a Visiting Professor at University of Strathclyde Centre for Energy Policy in Glasgow.

Graham Swindells
Chief Executive Officer

Graham Swindells joined the Company in May 2013 as Chief Financial Officer and became Finance Director later that year. He joined the Company from Ernst & Young where he was a Director in Public Company M&A. Graham graduated from the University of Glasgow with a Bachelor of Accountancy Degree and after qualifying as a Chartered Accountant spent two years at PricewaterhouseCoopers specialising in corporate recovery and restructuring. He subsequently specialised in corporate finance, becoming a director in corporate finance at Arbuthnot securities during which time he focused on advising and broking small and mid-cap public companies across various sectors, but with a particular focus on natural resources. Graham succeeded Algy Cluff as Chief Executive on 1 March 2018.

Andrew Nunn
Chief Operating Officer

Andrew is a Chartered Geologist with over 20 years of experience working on exploration,
mining and geo-environmental projects in Europe, Australasia and Africa. For the last 10
years he has worked on a wide variety of UK and European conventional and unconventional
gas projects with a primary focus on Carboniferous aged reservoirs. Andrew’s previous role
was as Exploration Manager for Dart Energy. He holds a B.Sc. (Hons) in Economic Geology
and an M.Sc. in Environmental Management. Andrew was appointed as a Director of the Oil
and Gas Independents’ Association (OGIA) in February 2020

Peter Cowley
Non-Executive Director

Peter Cowley is a geologist with over 45 years of international experience in the minerals industry and has been involved in the discovery and development of a number of gold mines in Africa. Peter was previously Managing Director of Ashanti Exploration Limited, Group Technical Director of Cluff Resources Plc and Chief Executive Officer of Banro Corporation and Loncor Resources. He holds M.Sc and MBA degrees and is a Fellow of I.M.M.M.  He was also a Non-executive Director of Amara Mining Plc.

Sarah McLeod
Chief Financial Officer

Sarah joined Deltic Energy as Chief Financial Officer in January 2020.  Sarah has 20 years experience in the international oil and gas industry. She previously held the position of Group Financial Controller at New Age.  Sarah spent 10 years with ConocoPhillips in a variety of senior financial and strategic roles and also 2 years with Maersk Oil.  She started her career with Deloitte, spending 6 years in its oil and gas team during which time she qualified as a Chartered Accountant.

Peter Nicol
Non-Executive Director

Peter has 40 years of experience in the energy sector both in industry and in senior investment banking positions. He was previously Head of Oil and Gas Research at GMP Securities Europe and prior to those held positions including Global Sector Director of Oil and Gas Research at ABN Amro and Head of European Oil and Gas Research at Goldman Sachs. Peter has worked with several small-medium cap oil and gas companies and is currently an independent non-executive director of exploration focussed companies Touchstone Exploration Inc. and Eco (Atlantic) Oil & Gas Ltd, both of which are AIM quoted and dual listed in Canada. He is also an independent director of ERC Equipoise Limited, the independent energy consultancy. Peter started his career with British National Oil Corporation in various commercial roles and holds a Bachelor of Science in mathematics and economics from Strathclyde University.