People
Mike Reynolds
CEO, UK
Mike Reynolds was appointed CEO of Gren Energy Ltd in June 2023, overseeing the business’s entry into the UK market, and its growing portfolio of assets and partnerships. He is committed to ensuring Gren plays a key role in providing local, affordable green energy to UK communities and businesses, leveraging Gren’s expertise as a market leader in district energy in Northern Europe.
Mike brings 20 years of experience working at the cutting edge of the energy transition in Europe and North America. He has a track record of driving investment, launching new products, establishing businesses in new markets and achieving sustainable growth. As Managing Director of Vattenfall Heat UK from 2018 to 2023, he oversaw its growth from concept to operational business. He previously held directorships at SSE in B2B energy services and led the international expansion of Natural Capital Partners on the US West Coast.
Mike develops clear visions and compelling business strategies and translates them into competitive advantage and commercial success. He builds and empowers strong teams and creates entrepreneurial, talent-led cultures which drive business performance.
In his spare time, Mike is a keen amateur gardener and enjoys singing in and conducting choirs.
Mike Reynolds was appointed CEO of Gren Energy Ltd in June 2023, overseeing the business’s entry into the UK market, and its growing portfolio of assets and partnerships. He is committed to ensuring Gren plays a key role in providing local, affordable green energy to UK communities and businesses, leveraging Gren’s expertise as a market leader in district energy in Northern Europe.
Mike brings 20 years of experience working at the cutting edge of the energy transition in Europe and North America. He has a track record of driving investment, launching new products, establishing businesses in new markets and achieving sustainable growth. As Managing Director of Vattenfall Heat UK from 2018 to 2023, he oversaw its growth from concept to operational business. He previously held directorships at SSE in B2B energy services and led the international expansion of Natural Capital Partners on the US West Coast.
Mike develops clear visions and compelling business strategies and translates them into competitive advantage and commercial success. He builds and empowers strong teams and creates entrepreneurial, talent-led cultures which drive business performance.
In his spare time, Mike is a keen amateur gardener and enjoys singing in and conducting choirs.
Jennifer Holgate
Chief Legal Officer and General Counsel, UK
Jenn Holgate joined the Gren Energy Ltd team in September 2023 as Chief Legal Officer and General Counsel. Her role is to oversee all legal matters in the UK, which includes any company contracts, compliance, risk, company secretarial matters and corporate governance. Particularly, Jenn works commercially and pragmatically to achieve a growth-led outcome whilst managing risks on behalf of the business. She develops a collaborative, approachable and straightforward way of negotiating terms in a dynamic market.
Previously Senior Legal Counsel at Vattenfall, Jenn brings 14 years of experience in law, specialising in infrastructure, renewable energy, project management, parliamentary drafting, diligence, litigation, delivery and advocacy. Prior to her in-house career, Jenn worked at Pinsent Masons, Eversheds Sutherland and Womble Bond Dickinson on a variety of clean energy and infrastructure projects, whilst also undertaking work within the National Infrastructure Commission, amongst other policy-based initiatives.
Originally Welsh born and bred, Jenn now lives in Cornwall with her husband and young son. She loves hiking, swimming in the sea, playing the saxophone and sampling the odd Cornish cider.
Jenn Holgate joined the Gren Energy Ltd team in September 2023 as Chief Legal Officer and General Counsel. Her role is to oversee all legal matters in the UK, which includes any company contracts, compliance, risk, company secretarial matters and corporate governance. Particularly, Jenn works commercially and pragmatically to achieve a growth-led outcome whilst managing risks on behalf of the business. She develops a collaborative, approachable and straightforward way of negotiating terms in a dynamic market.
Previously Senior Legal Counsel at Vattenfall, Jenn brings 14 years of experience in law, specialising in infrastructure, renewable energy, project management, parliamentary drafting, diligence, litigation, delivery and advocacy. Prior to her in-house career, Jenn worked at Pinsent Masons, Eversheds Sutherland and Womble Bond Dickinson on a variety of clean energy and infrastructure projects, whilst also undertaking work within the National Infrastructure Commission, amongst other policy-based initiatives.
Originally Welsh born and bred, Jenn now lives in Cornwall with her husband and young son. She loves hiking, swimming in the sea, playing the saxophone and sampling the odd Cornish cider.
Joseph Scott
Chief Operating Officer, UK
Joe brings over a decade of experience from a broad range of leadership roles in the energy sector. He has launched multiple heat networks across the UK, from Bristol to London and Edinburgh.
As Chief Operating Officer, Joe is responsible for establishing the UK business and launching Gren’s Energy Networks nationwide, including our flagship project in Glasgow, Energy on Clyde. He also leads the UK Growth Strategy, working closely with colleagues across Gren and the Gren Board.
Joe brings over a decade of experience from a broad range of leadership roles in the energy sector. He has launched multiple heat networks across the UK, from Bristol to London and Edinburgh.
As Chief Operating Officer, Joe is responsible for establishing the UK business and launching Gren’s Energy Networks nationwide, including our flagship project in Glasgow, Energy on Clyde. He also leads the UK Growth Strategy, working closely with colleagues across Gren and the Gren Board.
Matt Baker
Director of Public Affairs, UK
Matt brings over twenty years of experience across the public, private, and voluntary sectors.
He has held senior leadership roles at Accenture, Goldman Sachs, the Department for Work and Pensions, United Utilities, and Deloitte. Prior to joining Gren, he was a senior leader at Northumberland County Council.
As Director of Public Affairs, Matt leads Gren’s engagement with government bodies and devolved nations, ensuring alignment with energy regulations and policy developments. He is also responsible for ESG in the UK, working closely with colleagues across Gren and the Gren Board.
Matt brings over twenty years of experience across the public, private, and voluntary sectors.
He has held senior leadership roles at Accenture, Goldman Sachs, the Department for Work and Pensions, United Utilities, and Deloitte. Prior to joining Gren, he was a senior leader at Northumberland County Council.
As Director of Public Affairs, Matt leads Gren’s engagement with government bodies and devolved nations, ensuring alignment with energy regulations and policy developments. He is also responsible for ESG in the UK, working closely with colleagues across Gren and the Gren Board.
Charlotte Phillips
Chief Revenue Officer, UK
A Chartered Surveyor and Chartered Environmentalist, Charlotte has been delivering low-carbon infrastructure solutions for over twenty years. Her roles have included leading the Energy and Sustainability practice for CBRE across Europe, the Middle East and Africa, heading up the Infrastructure Investment team at a waste fund, setting up her own advisory business, and most recently working at an ethical investment platform as an Investments Director.
Charlotte is responsible for leading the construction and operation of Gren’s assets in the UK, driving operational improvements, and connecting new customers.
A Chartered Surveyor and Chartered Environmentalist, Charlotte has been delivering low-carbon infrastructure solutions for over twenty years. Her roles have included leading the Energy and Sustainability practice for CBRE across Europe, the Middle East and Africa, heading up the Infrastructure Investment team at a waste fund, setting up her own advisory business, and most recently working at an ethical investment platform as an Investments Director.
Charlotte is responsible for leading the construction and operation of Gren’s assets in the UK, driving operational improvements, and connecting new customers.
Dave Carlton
Head of Capital Projects, UK
Dave Carlton oversees the delivery of low carbon infrastructure in communities around the UK. He joined Gren Energy Ltd in August 2023 and brings significant experience of developing and delivering energy and infrastructure-related projects both in the UK and internationally.
Dave began his career at the Central Electricity Generating Board, working at many coal-fired power stations, before becoming a corporate project engineer with National Power Generation Systems. He was subsequently a project consultant to Scottish Power at Longannet Power Station.
With RWE, Dave managed Littlebrook Biomass project, the development of newbuild coal-fired power stations at Blyth and Tilbury, and a carbon capture pilot project at Aberthaw. In Kosovo, he managed repair works after a major fire, and in Sicily he closed out a 15MW biomass plant project that had significant combustion issues. He was enabling works project manager at Wylfa Newyyd for Horizon Nuclear Power.
Dave is a Chartered Engineer, a Member of the Institute of Engineering and Technology, a Member of the Association for Project Management, and an Associate Member of the Association for Project Safety. In his spare time, he enjoys walking his dogs and collects vintage technical books on electrical engineering.
Dave Carlton oversees the delivery of low carbon infrastructure in communities around the UK. He joined Gren Energy Ltd in August 2023 and brings significant experience of developing and delivering energy and infrastructure-related projects both in the UK and internationally.
Dave began his career at the Central Electricity Generating Board, working at many coal-fired power stations, before becoming a corporate project engineer with National Power Generation Systems. He was subsequently a project consultant to Scottish Power at Longannet Power Station.
With RWE, Dave managed Littlebrook Biomass project, the development of newbuild coal-fired power stations at Blyth and Tilbury, and a carbon capture pilot project at Aberthaw. In Kosovo, he managed repair works after a major fire, and in Sicily he closed out a 15MW biomass plant project that had significant combustion issues. He was enabling works project manager at Wylfa Newyyd for Horizon Nuclear Power.
Dave is a Chartered Engineer, a Member of the Institute of Engineering and Technology, a Member of the Association for Project Management, and an Associate Member of the Association for Project Safety. In his spare time, he enjoys walking his dogs and collects vintage technical books on electrical engineering.