PowderJect Pharmaceuticals plc, of Oxford, England, appointed Clive Dix senior vice president, research and development.

SciClone Pharmaceuticals Inc., of San Mateo, Calif., named Richard Waldron chief financial officer.

SignalGene Inc., of Montreal, appointed Daniel Pharand to its board.

YM BioSciences Inc., of Mississauga, Ontario, appointed Gilbert Wenzel to its board.

Zila Inc., of Phoenix, Ariz., promoted Thomas Laughlin to executive vice president.