MacroGenics Inc., of Rockville, Md., appointed Jean-Christophe Tellier executive vice president and chief commercial officer and James Karrels vice president and chief financial officer.

MannKind Corp., of Valencia, Calif., named Matthew J. Pfeffer corporate vice president and chief financial officer.

Medgenics, of Misgav, Israel, appointed Ehud Shoshani vice president of clinical affairs.

Metabolex Inc., of Hayward, Calif., named Donald M. Hill chief financial officer.

Migenix Inc., of Vancouver, British Columbia, appointed Pieter Dorsman to its board.

NanoLogix Inc., of Hubbard, Ohio, named Bert Pharis to its board.