Ms Nelson was appointed as a director in November 2014. She is a member of the Safety, Health, Environment, Community & Sustainability Committee and the Remuneration Committee. Ms Nelson provides consulting services through her company PTI Resources, LLC, on a variety of environmental and energy policy matters. Ms Nelson is the former founding president of Midwest Generation EME, LLC, an Edison International company with its corporate headquarters in Chicago. Previously, Ms Nelson was senior vice president of worldwide operations for Edison Mission Energy. Ms Nelson previously spent more than 25 years with Southern California Edison, a large US electric utility. Ms Nelson serves as a director of two publicly traded US corporations: Cummins Inc (CMI), a global engine and equipment manufacturer, and Ball Corporation (BLL), a global metals container manufacturing company, and one publicly traded Canadian corporation: TransAlta Corporation (TAC), a power generation and wholesale marketing company. Ms Nelson holds an MBA from the University of Southern California and a BS from Pepperdine University.