Current director, Georganne Proctor, will fill Turner's seat.
"It has been an honor to serve with my outstanding colleagues on SunEdison's Board of Directors for these eventful 7 years, and to have had the opportunity to work directly with the company's dedicated employees during my months as interim CEO," Turner said. "With the completion of several major capital market transactions, SunEdison is poised for a new phase of growth."
SunEdison manufactures solar technology and develops, finances, installs and operates distributed solar power plants.
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