The Team

Our founding team blends experienced entrepreneurial talent with commercial, operational and financial expertise from across the clean energy and environmental sectors

Gavin McCallum
Gavin McCallum
CEO
Romain Keyen
Romain Keyen
Chief Investment Officer

Over 10 years’ investment and finance experience from across the clean energy sector. Previous roles include at SEP’s Environmental Capital Fund, with Glennmont Partners and BNP Paribas.

Alp Karli
Alp Karli
Head of Development, Solar and Storage

Over 15 years of experience in energy industry and renewables development and investments. Formerly, founder of Value Renewables, developing utility scale solar projects in the UK, with previous roles at Adenium, SDCL, Vestas and Schneider Electric.

Richard Koiak
Richard Koiak
Head of Development, Onshore Wind

Over 20 years experience in delivery of energy related developments across UK and ROI across all generation technologies both on and offshore along with grid connection infrastructure at all voltage levels from a legal and development perspective. Most recently while he was Head of Onshore Development for ScottishPower Renewables c2GW was submitted into planning and c1GW consented.

Debbie Hayes
Debbie Hayes
HR Director

Over 18 years as an HR Director, 4 of those in Renewable Energy.  Large portfolio of international HR experience as well as M&A, Due Diligence and Company Integration.  Passionate about Team dynamics and development.

Andy Low
Andy Low
Finance Director

An experienced finance professional with over 20 years in various roles including 10 years in investment banking with Morgan Stanley and more recently 7 years with SEP’s Environmental Capital Fund (primarily running the independent gas transporter Indigo Pipelines Limited).

Dani Perez
Dani Perez
Technical Director

Over 15 years’ experience in renewable energy projects, designing, constructing, and operating over 2GW of utility size Solar PV plants for some of the most significant players in the sector, including Sonnedix, SunEdison, Global Energy Services (GES), Reden Solar and Quintas Energy.

Andrew Crossland
Andrew Crossland
Battery Storage Manager

A renewable energy specialist with over 10 years’ experience developing solar, storage and microgrid projects across the world. Formerly Director of Advance Further Energy Limited.

Darrel Thorson
Darrel Thorson
Strategic Advisor, U.S.

Over 30 years of experience in energy infrastructure development and finance.  Spent 5 years as SVP of development and origination for bp’s Solar and Wind activities in the US.   Background in M&A, structured finance and commodities marketing and trading in North and South America.

Pedro Perejón
Pedro Perejón
Development Director, Spain

Pedro has over 15 years’ experience in the Renewable Energy sector and has been involved in many projects from development to final exit across the EMEA region in companies like Canadian Solar and Downing LLP based in London over the last 10 years.

Phil Nurse
Phil Nurse
Senior Investment Manager

A decade of commercial, financial and investment experience in project finance, infrastructure and energy projects including GWs of renewable and storge projects across wind, solar, batteries and hydro.  Previous experience includes roles at Redrock Power, Intergen and Deloitte.

Angelo Nogara
Angelo Nogara
Business Developer, Italy

Over 17 years’ experience as a director, business developer and consultant in cleantech and renewables, including water and agriculture, in different parts of the world, with previous roles also in Energy utilities including A2A-Suncity and Statkraft AS, as well former board member of the Italian Solar Industry Association.

Michael Mackay
Michael Mackay
Developer Onshore Wind

10 years project management and engineering experience delivering infrastructure and renewable projects with Sir Robert McAlpine, Laing O’Rourke and EDF Renewables.

Stuart Mason
Stuart Mason
Project Delivery Advisor

30 years experience in the energy sector with over 19 years in Renewables. Previously Onshore Construction Director at Scottish Power Renewables responsible for the delivery of a portfolio of renewable projects.

Laura Greig
Laura Greig
PA

Over 20 years’ PA / EA experience providing support to leading executives and entrepreneurs across various sectors both in the UK and Internationally.

Chair & Non-Executives

Gary Le Sueur
Gary Le Sueur
Chair

Co-founder of growth equity investor, SEP, with over 20 years’ experience in venture capital and infrastructure investment, working with some of the renewable sector’s leading entrepreneurs. Founder and partner of Corran Capital.

Frans van den Heuvel
Frans van den Heuvel
Specialist Advisor, Solar & Storage

One of Europe’s most respected and successful solar entrepreneurs, most recently CEO of Solarcentury, sold to Statkraft. Adviser to the Dutch government on a national carbon-free electricity system.

Alan Baker
Alan Baker
Specialist Advisor, Onshore Wind

An experienced and successful wind power developer. Previously CEO of Forsa Energy and CEO of Airtricity, Scotland. Also co-founder of hydroponic farming business, Shockingly Fresh.

Derrick Allan
Derrick Allan
Non-Executive Director

Head of SGN Smart, a smart-meter service provider, and former Chairman of Solarcentury. Over 30 years with SSE plc, latterly head of venture capital business. Non-executive partner of Corran Capital.