Darren Head has been named chief executive officer of Cytovance, a bio-CMO specializing in the production of therapeutic proteins and antibodies from mammalian cell culture. Mr. Head was previously at Immucor, where he served as vice president of worldwide operations, overseeing the manufacturing of biological products in the U.S., Europe and Canada. Prior to that, he was an operations manager and project manager for such companies as Aronex Pharmaceuticals, Allergan Optical and Abbott Labora...