Warwick Energy Limited
John Sulley (Executive)

 John has over 40 years of experience in all aspects of electricity generation, distribution, trading and marketing. He was formerly CEO of Independent Energy Holdings and prior to that Commercial General Manager for the Supply Division of Scottish Power PLC, where he was responsible for financial operations, strategic and business planning and for the management of the electricity trading operations. Prior to joining Scottish Power Mr. Sulley was responsible for starting and managing the direct sales and cogeneration operations at National Power PLC, and held several senior commercial and technical posts with Scottish Hydro. 

Mark Petterson (Executive)


Mark has obtained over 30 years experience in oil, gas and electricity sectors since graduating as a Petroleum Engineer and then gaining operational and commercial experience with BP. He was heavily involved in the liberalisation of the UK gas market for both business and domestic consumers and has since led initiatives in the renewable energy sector. His experience spans exploration and production, gas sales and marketing, offshore wind project development and risk management in both gas and electricity sectors.

Rob Jones (Executive)

Rob is a petroleum engineer with over 45 years of experience in the upstream oil and gas industry, with particular emphasis in field development. Prior to jointly starting Warwick Energy he was with Independent Energy where he was responsible for developing and operating the company's gas production operations and a portfolio of power generation sites. Previously he was with Perenco where his responsibilities included the implementation and operation of the Ryedale gas fields and the associated 42 MW generation scheme in Yorkshire.