Flatt joins Mascoma Corp.

Mascoma Corp. named James H. Flatt as senior vice president for research and development.

The Cambridge firm is focused on developing environmentally beneficial and cost-effective technologies for converting cellulosic biomass into ethanol.

Flatt previously held a similar position at Martek Biosciences Corp., a Maryland company whose products include nutritional oils for infant formula, nutritional supplements, and food ingredients.