New Opportunities: Dynegy appointed E. Hunter Harrison, currently a Dynegy director, as interim president and CEO. Harrison replaces David W. Biegler, who served as Dynegy’s interim president and CEO after the departure of Bruce Williamson.
Cleco Corp. selected Bruce Williamson to become president and CEO effective July 5, 2011. Williamson most recently was chairman, president and CEO of Dynegy. He succeeds Michael Madison, who will step down as president and CEO to become vice chairman effective July 2011.
Entergy Mississippi named Napoleon Johnson v.p. of customer operations. Johnson previously served as director of safety and continuous improvement for the company’s utility group.
Ellen Krohne joined Navigant’s energy practice as a director. Previously, Krohne served as v.p. of customer service at Illinois Power.
Judy Steele, FCA, was appointed interim CFO of Emera, effective May 16, 2011. Steele, who was Emera Energy’s v.p. of finance, replaces Nancy Tower, who became CEO of Emera Newfoundland and Labrador, and executive v.p. of business development for Emera.
Brian Quinlan joined Nautilus Solar as the executive v.p. of development. He joins Nautilus from Lars Energy, where he was managing director.