Semiconductor and solar technology company MEMC Electronic Materials has appointed Randy Zwirn as an independent member of the board of directors.

Zwim currently serves as chief executive officer of the energy services division of Siemens AG. He also serves as president and CEO of Siemens Energy. Prior to this role, he was a member of the group executive management of the Siemens Power generation group.

Zwim began his career with Westinghouse Electric in 1976. He served as president of the power generation business prior to the acquisition by Siemen.