MedImmune Inc., of Gaithersburg, Md., promoted Michael Smullen to senior vice president, sales.
Merrimack Pharmaceuticals Inc., of Cambridge, Mass., appointed Barrett Rollins to its scientific advisory board.
Nereus Pharmaceuticals Inc., of San Diego, appointed Gary Shearman chairman.
Ocera Therapeutics Inc., of San Diego, appointed Joe Davie to its board, Karen Church vice president of regulatory affairs, and Caroline LaPlaca senior director of clinical operations.
OncoGenex Technologies Inc., of Vancouver, British Columbia, appointed Stephen Anderson chief financial officer and Tom Bailey to its board.
ProMetic Life Sciences Inc., of Montreal, appointed Steven Burton president and CEO of Prometic BioSciences Ltd.
QLT Inc., of Vancouver, British Columbia, appointed Robert Butchofsky president, CEO and director.
Replidyne Inc., of Louisville, Colo., appointed Mark Smith chief financial officer.