"Dorothy is non-Executive Chair of Tullow Oil plc, Africa’s largest independent oil company. She was appointed in July 2018. Tullow is an exploration & production company with oil and gas producing assets in West Africa and development assets in East Africa. Tullow also explores for oil across more than 15 countries and 75 licences in Africa and South America. She is also a non-executive director of the NYSE listed, power management company, Eaton Corporation plc. " 
Appointment to the Board: 20 October 2005, having joined Drax in September 2005. "Dorothy was previously the head of the European business of InterGen NV, the power generation subsidiary of Shell NV and Bechtel Inc., responsible for the management and operation of four gas-fired power plants, totalling some 3,160MW of capacity across the UK and the Netherlands. Prior to joining InterGen NV in 1998, Dorothy was initially in banking and subsequently was assistant group treasurer for Powergen plc."