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Our Team

Chris Starling

Managing Director

Chris has 17 years experience in the energy industry and is Chartered Member of the Securities and Investment Institute in the UK. After graduating with a First Class degree in Economics from the University of Leicester, Chris worked in the City for Aviva Investors and the Bank of New York before moving into the energy sector where he has performed a number of commercial, economist, corporate finance, business development and M&A roles for Centrica, Sterling Energy and ENGIE before founding Holt Energy Advisors in 2018.

Chris has worked on over 40 energy sector transactions both asset and corporate deals and restructurings with his most recent role with ENGIE being Head of Commercial and Business Development in ENGIE's UK E&P business where he was the member of the management team responsible for commercial negotiations, strategy and portfolio management and MA&D. Chris also coordinated and developed ENGIE's UK E&P Commercial Training Programme.

Specialist Areas: Mergers, Acquisitions and Divestments, Corporate Finance
Favourite Team: Liverpool F.C, Williams F1 Racing

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Andy Giles

Director - Commercial

Andrew has over 35 years experience in the oil & gas sector in various upstream and downstream positions including commercial roles with Mobil, Arco British and ENGIE (formerly GDF SUEZ) and also roles on offshore development projects for British Gas and Amerada Hess.

Andrew has also worked as an independent commercial consultant with clients including Chevron, ATP and GDF SUEZ. This included working on gas sales issues such as hydrocarbon marketing and operations, hedging strategies and dispute resolution. In his most recent role as Commercial Operations Manager, Andrew took a lead role in the commercial activities relating to the start up of the operated Cygnus field and he was responsible for the tendering of gas sales and day to day management of the company's equity share of gas production for ENGIE's UK portfolio. In addition, Andrew has experience of enterprise risk management and was Risk Officer for the commercial and business development function at ENGIE.

Specialist Areas: Hydrocarbon Sales and Marketing, Commercial Operations
Favourite Teams: Queens Park Rangers F.C, Warwickshire CCC

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Nigel Holmes

Senior Advisor - Commercial

Nigel has over forty years oil and gas experience, of which thirty were in the upstream sector. After graduating from Oxford University with a degree in Engineering & Economics, Nigel started his career with BP latterly moving into corporate planning. During this time he had postings to West Africa and Hamburg. His experience in the upstream sector has included all aspects of the Industry: commercial negotiations, A & D evaluations and execution, oil and gas sales and economic analysis.

Most recently he was Corporate Affairs Manager with ENGIE E&P responsible for relationships with all external stakeholders: high level contact with Partners; government departments including OGA, DECC, BEIS and HMT and across the ENGIE Group - gas regulation, power generation and gas storage. Before this Nigel was Commercial & Business Development Manager and participated in initiatives in the regeneration of the UKCS including fiscal stimulus, decommissioning security agreements and the Wood Review leading to the current MER legislation. He is a Director of the Oil and Gas Independents Association, and on the Committee of the European Petroleum Negotiator's Group.


Specialist Areas: Acquisitions and Divestments, Commercial Operations
Favourite Teams: Tottenham Hotspur F.C, Sevenoaks Hockey Club

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Nick Holloway

Senior Advisor - E&P Strategy and Geoscience

Nick brings over 45 years of oil and gas upstream technical, commercial, operations and management experience: over 35 years with major oil companies and a variety of UK, US, Australian and Dutch independents, and nine years in both technical and business development consultancy. He has provided research and strategic analysis with specific expertise in business development, entry strategies and anticipating and analysing areas of high E&P industry interest and activity.

Prior to joining HEA, Nick worked with IHS (now IHS Markit) on several strategy projects for UK, US, Australian, SE Asian and Russian companies as well as the development of the Global Window screening system. With IHS, Nick gained critical insights across the energy spectrum from shale gas and tight oil production to renewable energy. Before joining IHS, Nick undertook several successful business development consulting assignments with Premier Oil, Sterling Energy and Bow Valley Petroleum. Previously he held various management, business development and technical roles with Burlington Resources, Santos, Sovereign Oil & Gas, Phillips Petroleum and Burmah Oil. Nick has specific experience in NW Europe, North Africa, Southeast Asia and Latin America.

Nick holds an MA and a BA in Natural Sciences (Earth Sciences) from the University of Cambridge.

Specialist Areas: E&P Strategy, Business Development, Geoscience
Favourite Sports: Rowing, fell walking and mountaineering.

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