PTC Therapeutics Inc., of South Plainfield, N.J., appointed Manal Morsy vice president of regulatory affairs.

Renovis Inc., of South San Francisco, named Jeffrey Farrow vice president of finance and chief accounting officer and George Fraley vice president of legal affairs. The company promoted Michael Ellis to senior director of corporate development.

Sequenom Inc., of San Diego, named Kathleen Wiltsey to its board of directors.

SkyePharma plc, of London, named Jean-Charles Tschudin executive director.

Synarc Inc., of San Francisco, appointed Jeffrey Bairstow executive vice president and chief financial officer.

Targanta Therapeutics Corp., of Cambridge, Mass., announced that Garen Bohlin joined its board of directors as an independent director.

TheraQuest Biosciences, of Blue Bell, Pa., appointed Cynthia McCormick and Nathaniel Katz to its scientific advisory board.

Transave Inc., of Monmouth Junction, N.J., appointed Nicholas Gurreri senior vice president of commercial operations and business development.

Trimeris Inc., of Morrisville, N.C., named Stephen Davis and Barry Quart to its board of directors.

Xceleron, of York, UK, named Bernard Chan chief operating officer.