The board of directors of Dominion has elected two new directors, Joseph M. Rigby and Susan N. Story, effective immediately. The elections bring the size of Dominion's board to 13. Rigby is the retired chairman, president and chief executive officer of Pepco Holdings, Inc. He served in that capacity from 2009 until 2016. Rigby has been a director of Dominion Midstream GP, LLC, since 2014. Story has been president and chief executive officer of American Water since 2014. She joined the company in 2013 as chief financial officer, after 31 years at Southern Company.