Rheologics Technologies Inc., of Exton, Pa., added Mark Daugherty as financial controller.
Selexis SA, of Geneva, appointed Andrew Sandford vice president of business development and licensing at its new U.S. subsidiary, Selexis Inc.
Topigen Pharmaceuticals Inc., of Montreal, appointed company officers Lisa Nolan and Mark Parry-Billings to lead its business development initiatives and pharmaceutical development activities, respectively.
Transport Pharmaceuticals Inc., of Framingham, Mass., appointed Brian Gallagher as a director.
Trellis Bioscience Inc., of South San Francisco, appointed Bruce Keyt chief technology officer and vice president of research.
ViRexx Medical Corp., of Edmonton, Alberta, appointed Peter Smetek and Michael Marcus to its board. Smetek was appointed chairman.
Xcellerex Inc., of Marlborough, Mass., appointed John Chickosky to the new position of chief operating officer.