Our Leadership Team

Phil Kirk

Chief Executive Officer

Andrew Osborne

Chief Financial Officer

Bob Fennell


Patrick Wolfe


Phil Kirk is chief executive officer for the Chrysaor Group. After qualifying as a chartered accountant with Ernst & Young in 1991, Phil joined Hess in 1996 where he served a variety of roles including Head of Finance, North West Europe. In 2002, he set up CH4 Energy with two ex-colleagues where he was joint managing director. CH4 acquired and operated the Markham field and associated satellites on the UK/Dutch median line. After selling CH4 to Venture Production in 2006, he founded Chrysaor in 2007 and has led the group since then. He has been a member of the Board of Oil and Gas UK since 2013 and is currently co-chair of the Advisory Council. He is also a past co-chair of the OGA UK Exploration Board, one of six boards responsible for driving the industry's response to the OGA's MER UK (maximising economic recovery) strategy. He is also a Fellow of the Energy Institute.

Andrew Osborne is chief financial officer for Chrysaor. He joined the company in 2012 with over 20 years' Capital Markets experience in Investment Banking, latterly as a managing director responsible for Merrill Lynch’s Natural Resources Equity Capital Markets and Broking business. He has worked on a significant number of oil and gas transactions for both public and private companies and has acted as an advisor to most members of the UK E&P Independent sector. He has unrivalled experience in advising early stage E&P companies who have subsequently gone on to create significant returns for their shareholders.

Patrick Wolfe is executive vice president, Operated Assets for Chrysaor. He has over 30 years of industry experience in a variety of management and technical roles in assets around the globe. He began his career working in operations, engineering, joint ventures and commercial roles before moving to the US as director E&P Planning, Authorisation and Strategy.He returned to the UK as coordinator for Regional Planning before moving to Norway in 2003 as manager, Joint Ventures, Greater Ekofisk. In 2005, he moved to Puerto La Cruz, Venezuela as manager, Drilling and Production. In 2007, he assumed the role of senior manager, Block B Operations, Jakarta. In 2011, he moved to Alaska as North Slope development manager followed by manager, Operations and Brownfield Projects. He returned to the UK in 2018 as general manager, Operated Assets. He has a Master of Business Administration and a bachelor’s degree in mechanical engineering. He is a chartered engineer and a fellow of the Institute of Mechanical Engineers (IMechE).

Bob Fennell is Executive Vice President, Operations for Chrysaor. He joined the company in late 2016 and is a Chartered Engineer with a MSc/DIC in Petroleum Engineering from Imperial College and a BSc (Hons) in Civil Engineering from Leeds University. He is also co-chair of Step Change in Safety. Bob spent the first 20 years of his career working in increasingly senior drilling and completion roles within BP, Elf, Transocean and finally Nexen. At Nexen he moved into Asset Management and over 10 years served in a variety of senior positions including VP Operations, Yemen; Director, UK Operations; VP Global Deepwater; and finally, VP, Oil Sands in Canada. He has significant operational experience; drilling and production. He has led or been closely involved in a number of successful transformational initiatives including the nationalisation of Yemen operations; delivering fundamental changes to the Canadian Oil Sands operating model; and being part of the core team that grew Nexen UK in the early 2000s and Chrysaor from 2017.


Karl Tolson


Steve Cox


Corinne Kelt


Emma Spence


Karl Tolson is executive vice president, Technical Services for Chrysaor. He holds a 1st class MEng in Civil and Geotechnical Engineering from Newcastle University and has over 20 years of UK and International oilfield experience in drilling, completions, well services and management. This was gained at Schlumberger as field engineer, HSEQ and field Service manager (1990–1997), TEAM Energy Resources as SDE and Well Construction manager (1997–2003), Eni as SDE/Markham project manager (2003-2004) and CH4 as drilling manager (2004-2007). He then spent a year as Petrofac Energy drilling manager (2007) prior to joining Chrysaor as a founding director in late 2007. Karl also leads the Oil & Gas UK work group on Relief Well Planning.

Steve Cox is executive vice president, Integration, Non-Operated Assets and Norway for Chrysaor. His responsibilities include the effective and efficient integration of the ConocoPhillips UK upstream business into the company as well as ensuring continued safe operations in those assets during the transition period. He also has accountability for all Chrysaor's non-operated portfolio and the newly created Norway business, which has 11 licences. He started his career in civil construction before moving to oil and gas fabrication as a project engineer. In an initial 15-year career at Shell, he held numerous different roles including in operations, asset support, planning and economics, as integrated services contract holder and various project roles across the UK, Netherlands and Norway. He moved to the BG Group in 2010 initially into a global organisation as a Project Manager working on projects such as Everest East Expansion, Gaupe/NWS and Lomond bridge-linked platform in the UK and Knarr and Bream FPSO developments in Norway as well as providing support to the global BG projects in Australia, Kazakhstan and Brazil. In 2013 he moved back into operations and asset management initially as Lomond/Erskine Asset Manager and then as overall Vice President for UK Operations, where he led the BG Group initiative to move to a late-life operations model in the UK, Tunisia and India. In 2016 when BG was acquired by Shell, he returned there as the Late-Life Asset Manager for their UK assets where he assisted them in developing a tailored solution to late-life operations across several countries.

Corinne Kelt is senior vice president, Human Resources for Chrysaor. She holds an MSc from Robert Gordon University and is a Fellow of the Chartered Institute of Personnel and Development. She has over 20 years’ experience within Human Resources with extensive merger, acquisition, divestment and change management experience both internationally and UK wide. She started her career with BP and held senior positions across many global oil and gas organisations including Kerr McGee, Maersk, Centrica, and latterly EnQuest - where she was instrumental in the integration of Petrofac and Lundin staff. She also ran her own HR Consultancy supporting small international oil and gas independent organisations including Endeavour Energy and Verus Petroleum.

Emma Spence is senior vice president, Communications and Excellence for Chrysaor. She joined the company in 2017 to support the transition of an asset purchase from Shell before assuming her current role in 2018. She holds a degree in International Relations and Psychology and has over 10 years' experience with aquisitions and start-ups in the International Oil Industry having worked on projects in the UK, the US and the Middle East.
Richard Tocher

Richard Tocher


Maurice Thomson


Jenny Morris


Michael Tuffin


Maurice Thomson is senior vice president HSEQ for Chrysaor. He is accountable for leading and developing HSEQ culture and for HSEQ assurance of the company's UK offshore and onshore operated assets, well operations, capital projects and decommissioning programmes. He is also line manager for all UK-based operational and functional HSEQ personnel. Maurice joined the company in 2006 and has held a variety of roles including manager, Southern North Sea where he delivered effective late-life operations and workforce engagement to achieve safe cessation of production and preparation for decommissioning in August 2018. He has also held senior positions in Asset and Operating Integrity, Brownfield Modifications, Engineering Management and as offshore installation manager. He has over 20 years' experience in the oil and gas industry and started his career by completing a mechanical marine apprenticeship before gaining a MENG Degree in Mechanical Engineering and later a Post Graduate MSC Degree in Asset Management. He is a Fellow and Chartered member of the Institute of Mechanical Engineers (IMechE) and is active in supporting the UK oil and gas industry through a variety of specialist industry work groups.

Jenny Morris joined Chrysaor as senior vice president, Exploration in March 2020. She has over 15 years' experience in the Oil and Gas industry and is an experienced geo-scientist and senior leader. She joined the Chrysaor leadership team from her previous role as vice president Exploration for Equinor, where she was accountable for the management and growth of the UK North Sea, West of Shetlands and Ireland portfolio, managing considerable exploration budgets and setting the strategic direction to position Equinor as a leading UK explorer. Jenny was responsible for the considerable growth in the Equinor UK portfolio over the last five years, including securing a dominant frontier exploration position and the drilling of between two to five exploration and appraisal wells per year. She has a First Class Geology and Natural Sciences Hons. degree and both an MSc in Petroleum Geoscience and PhD from Imperial College.  She is also an active member of the MER UK Exploration Task Force.

Michael (Mike) Tuffin is senior vice president, Commercial and Business Development for Chrysaor. He joined the company in June 2017. He initially joined the industry as a geophysicist, but quickly developed a taste for the commercial side of the business after completing a PhD and working as an analyst for a management consultancy. He has held a variety of commercial and business development roles at Total, EnQuest, Centrica and, most recently the BG Group, where he was the Portfolio and Business Development manager for Europe E&P as well as working on the integration of BG’s UK upstream business with Shell. He holds degrees in Civil Engineering and Oceanography as well as a PhD in Geophysics.

Richard Tocher is senior vice president, Decommissioning and Major Projects for Chrysaor. Graduating in mechanical engineering from Aberdeen University in 1985, Richard began his career as a drilling engineer, specialising in subsea tie-back and completion operations. After a number of different assignments in well operations including drilling superintendent and chief drilling engineer, he moved into production operations working as offshore installation manager in the UK. This experience led to a six-year assignment in Norway as operations support manager delivering asset integrity, brownfield projects and logistics support. In 2009, he returned to the UK as operations manager for the Britannia area assets. He transferred to Houston in 2013 to take on the role of global operations chief - a position that focused on ensuring the start-up readiness for major capital projects, and on optimising worldwide production operations. He returned to Aberdeen in October 2016 to the role of UK decommissioning manager responsible for the cessation of production in the Southern North Sea. Scope included plugging and abandonment of 153 wells, cleaning and disconnection of over 2,000 kilometres of pipelines, and removal of 38 platforms.

Howard Landes


Rob Poddubiuk


Mark Aldrich


Howard Landes is general counsel for Chrysaor. He joined the company in early 2017 following more than 10 years at the BG Group where he led a team of lawyers responsible for the group’s corporate and M&A matters globally. He spent most of the previous two years working closely with BG Group’s senior executive team on the $50bn transaction with Shell and then, for Shell, on transition and business development matters. He trained and qualified at the international law firm, Clifford Chance, and is responsible for the legal affairs of Chrysaor as well as acting as company secretary.

Mark Aldrich is executive special adviser, HSEQ for Chrysaor. He joined the company in January 2011 and is a career HSEQ professional with extensive worldwide experience. Mark has a Masters Degree in risk management and safety technology from Aston University and the internationally recognised NEBOSH OHS Diploma. He is a chartered member of the Institute of Occupational Safety and Health. He started his working career as a naval cadet and rose to the rank of Chief Officer before moving into HSEQ and operational advisory roles at Maersk. He was responsible for UK HSEQ at Maersk Contractors including their drilling rig and FPSO fleet and their respective safety cases. From 2000 to 2006 he was International Division EHS Manager at Burlington Resources and latterly was Group HSEQ manager for E.ON Ruhrgas North Sea. His career in the marine and oil and gas industries has spanned over 35 years and he is active in supporting the UK oil and gas industry through a variety of specialist industry work groups.

Robert (Rob) Poddubiuk is executive special adviser, Subsurface for Chrysaor. On completion of his doctorate, he joined Amerada Hess in 1987 developing his career though a series of exploration, development and technical expert roles. He was Reservoir Development manager for their operated South Arne Field in Denmark (1997-2000) and Global Quality Assurance manager for Geoscience & Exploration (2000-2003). In 2003 he joined CH4 as technical director, and subsequently co-founded Chrysaor in 2007.