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The Team

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

Gavin McCallum


Energy industry executive with international experience and a successful track record as an investor, developer and operator. Previous roles included Commercial Director in BP Alternative Energy and COO in a private equity fund.

Alan Baker

Strategic Advisor 

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.


Frans van den Heuvel

Strategic Advisor

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 grid.


Claire Treacy


With over 25 years' experience in structuring, funding and financially managing renewable and real estate assets, both in the UK and internationally, Claire is KPMG trained and has worked in listed, private equity owned, and start-up businesses through her career.

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

Chief Commercial Officer

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

Head of Development UK and Ireland

Over 20 years’ experience in delivery of energy related developments across UK and ROI, on and offshore, along with grid connection infrastructure from a legal and development perspective. Most recently whilst Head of Onshore Development for ScottishPower Renewables circa 2GW was submitted into planning and circa 1GW consented.

Debbie Hayes

HR Director

Over 18 years as an HR Director, 4 of those in renewable energy with 3 at Solarcentury where she managed the people integration post sale to Statkraft. Large portfolio of international HR experience as well as M&A, due diligence and company integration. Passionate about team dynamics and development.

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.

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 U.S. Background in M&A, structured finance and commodities marketing and trading in North and South America.

James Zahra

Senior Investment Manager

James has over a decade’s experience in commercial acquisitions, divestments and project finance of energy projects having worked at Forsa Energy, Armstrong Capital and Algonquin Power and Utilities Corp. James is a Canadian Chartered Professional Accountant, Chartered Financial Analyst and holds an Honours degree in Applied Economics.

Pedro Perejon

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.

Enrique Villadeamigo

Land Acquisition Manager - Spain

A law graduate with a technical vocational degree in management of agriculture, Enrique has more than 5 years of experience in the renewable energy sector as head of land and in the processing of permits through the planning and execution phases.

Angelo Nogara

Senior Business Development Manager, Italy

Over 18 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.

Federico Nucita

Senior Business Development Manager, Italy

Federico’s experience covers the public sector at the Italian Ministry of the Environment and the Agency for the Protection of the Environment for Sicily as well as 14 years in Renewable Energy Sources (RES) as country manager for Italy at international companies covering the whole range of activities in the project life cycle.


Clara Thompson

Senior Solar & Storage Developer UK

A decade in the development industry originating and delivering multi million-pound land acquisitions across the energy, residential and commercial sectors. Previous roles include Banks Renewables. Clara has a degree in Geography and Masters in Town Planning and Land Economy.

Maeve Fryday

Senior Onshore Wind Developer

With 25 years' experience in environmental assessment and consenting across a range of development types including renewables and grid. In Maeve’s previous consultancy roles, she led teams delivering EIA and overall consenting for new development, in addition to environmental support across project life-cycles in the UK, Ireland and elsewhere. 

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.

Giorgio Ceresoli

Solar PV Engineer

Energy engineer with 2 years’ experience in PV, CSP and gH2 & gNH3 integration. Worked circa 2 years at Pacific Green Solar Technologies as Project Engineer taking care of the design and optimisation of solar power plants dedicated to both power, heat and gH2 production.

Laura Greig

Personal Assistant

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

Gary Fleming


Recently graduated from the University of Strathclyde with a BEng in Mechanical Engineering, achieving first-class honours. Part of the Engineering Academy within Strathclyde and was awarded the John Evans Whigham Scholarship throughout university.

Philomena Lynch-Loitz


Graduated in summer 2022 with a master’s degree in Chemical Engineering, with distinction, from the University of Strathclyde. Produced a master’s thesis centred around biorefinery and green technologies.

Chairman and Non Executive Directors

Gary Le Sueur


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.

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. Partner of Corran Capital.

Get in touch

We are interested in engaging with wind and solar asset owners, land-owners, developers and funders.

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