Randolph Team

Mark Jennison

Managing Director

Mark brings a wealth of experience to the Group having spent over 18 years’ in the renewables sector. As Managing Director he is responsible for coordinating and growing the Group and also acts as the Commercial Director of Realise Energy Services Ltd and Farm Energy Northern Ireland Ltd. Mark has a wide ranging understanding of energy technology, policy and finance, and particularly the needs of the rural sector, landowners, farmers communities and associated developers. Mark also has a MSc. in Marine Resource Management.

Sheridan Jenkins

Technical Director

Managing Director of Realise Energy Services and a director of Randolph Renewables, Sheridan brings invaluable renewables engineering experience to the team. Having successfully delivered many wind turbine projects to UK customers over the last decade, his experience ranges from project management, civil and electrical design, wind turbine supply and installation, operation and maintenance and the decommissioning and re-powering of UK wind farms.

Brian Duffy

Financial Director

Brian is a senior partner with long-standing independent accountant and tax advisory firm McDonald Gordon & Co. Ltd. Brian has more than 30 years’ experience advising businesses across a broad range of sectors. He has worked in renewable energy for the last eight years as an acting finance director of turbine installation and turbine site development companies.