Arun Majumdar, most recently director of the Advanced Research Projects Agency-Energy (ARPA-E) is joining Majumdar will steer’s energy program and advise the firm on its energy strategy. 


Canadian Solar (NASDAQ: CSIQ) named Guangchun Zhang as COO. Prior to joining Canadian Solar, Mr. Zhang was VP for R&D at Suntech.   


Lighting Science Group (OTCQB: LSGC) named Jeremy Cage as CEO, replacing Brad Knight, who remains as COO. LSG develops LED lighting technology.  


Fluor’s Group Executive, John L. Hopkins, will leave that post to become NuScale’s CEO. NuScale is developing small modular nuclear reactor (SMR) technology. Paul Lorenzini, NuScale Power’s current CEO, will remain as a consultant to the firm.


REC Solar's parent company, Mainstream Energy, appointed Paul Winnowski as CEO. Winnowski was most recently President of United Technologies Fire & Security.


Cool Planet Energy named Barry Rowan as EVP and CFO. Rowan previously served as EVP and CFO at Vonage. Cool Planet aims to turn biomass into vehicle fuel. The firm has won funding from GE, Google Ventures, BP, ConocoPhillips, NRG and Constellation Energy.


Aaron Thurlow is now VP of Global Sales and Marketing at c-Si solar startup Silevo. He was most recently with CIGS solar startup Stion.


CoaLogix hired Brett Ellis as CFO. CoaLogix addresses the environmental footprint of coal-fired plants.


Keahole Solar Power, a clean energy firm in Hawaii that has developed 12 megawatts of solar to date, has named Harry Jackson as President. The company focuses on "micro-utility" solar in the 1- to 25-megawatt range.