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Ms Nelson was appointed as a director in November 2014. She is Chairperson of the Risk Committee, and is a member of the Audit Committee and the Remuneration Committee. Ms Nelson is an experienced director having served as a board director of nine corporations over 24 years. Through her company PTI Resources, LLC, she consulted on a variety of environmental and energy policy matters from 2005-2019. A global operations executive, Ms Nelson was the former founding president of Midwest Generation EME, LLC, an Edison International company and senior vice president of worldwide operations for Edison Mission Energy. 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.