Stem, Inc. has appointed John Carrington as CEO. Prior to joining Stem, Carrington was CEO at MiaSole. Previously, Carrington was Executive vice president, Marketing and Business Development at First Solar.

John also spent over 16 years at General Electric, most recently as General Manager and Chief Marketing Officer of the $7 billion GE Plastics global organization where he led global innovation, new technology efforts, and product strategy for over 30,000 customers. Stem's current CEO, Salim Khan, will remain with the company until December 31, 2013 to assist in transitioning his responsibilities to Mr. Carrington.