Robert J. Johnsen

Mascoma Corp. develops technology for abundant biomass conversion. The firm operates through its bioprocessing technology platform, develops bioengineered yeasts and other microorganisms. It also designs and manufactures equipment that processes cellulosic biomass for further biological or chemical conversion. The company was founded by Lee R. Lynd, Charles E. Wyman and Robert J. Johnsen in 2005 and is headquartered in Waltham, MA.

Primus Green Energy, Inc. engages in the development of gas monetization technology. Its products include Gas-to-Methanol STG+ (Syngas-to-Gasoline), Gas-to-Gasoline STG+, and Syngas-to-Methanol STG+. The company is headquartered in Hillsborough, NJ.

Promethegen Corp. developed technology for biofuels production. The firm’s approach included using genetically altered microbes that enhance the biomass fermentation-to-fuel process. The company offered both the microbe technology and processes connected with the conversion. The company was founded in 2008 and was headquartered in Cambridge, MA.