Abgenix Inc., of Fremont, Calif., promoted Gisela Schwab to chief medical officer and Gregory Bell to vice president, clinical development, inflammation.

Alteon Inc., of Ramsey, N.J., appointed Judith Hedstrom senior vice president, corporate development.

Amsterdam Molecular Therapeutics BV, of Amsterdam, the Netherlands, appointed Jaap Koster head of GMP operations.

Atrix Laboratories Inc., of Fort Collins, Colo., promoted Mark Sweeney to vice president of quality assurance and Elyse Wolff to director of technical affairs.

AxCell Biosciences, of Newtown, Pa., a subsidiary of Cytogen Corp., appointed Axel Ullrich to its scientific advisory board.

Bioheart Inc., of Fort Lauderdale, Fla., appointed Richard Ham to its scientific advisory board and research team.

BioProtein Technologies, of Paris, added Guy de Martynoff as chief operating officer.

BioVex Ltd., of Oxford, UK, appointed Tony Mills director of business development.

Chromos Molecular Systems Inc., of Burnaby, British Columbia, elected Imre Kovesdi to its board.

Discovery Laboratories Inc., of Doylestown, Pa., appointed Ralph Niven senior vice president, preclinical development.

DOR BioPharma Inc., of Chicago, added Franco Quagliata as medical director.

EntreMed Inc., of Rockville, Md., promoted Neil Campbell to senior vice president of corporate development.

Epoch Biosciences Inc., of Bothell, Wash., appointed Michael Lucero to its board.

Gene Logic Inc., of Gaithersburg, Md., appointed J. Stark Thompson to its board.

Genentech Inc., of South San Francisco, said Myrtle Potter, its executive vice president, was elected to the board of the California Healthcare Institute.

GenTel Inc., of Madison, Wis., named Lloyd Smith chairman of its scientific advisory board.

Helix BioMedix Inc., of Bothell, Wash., added Randall Caudill to its board.

Leerink Swann & Co., of Boston, added Navdeep Jaikaria as vice president analyst, biotechnology.