AltaRex Corp., of Waltham, Mass., appointed Howard Fingert vice president of clinical operations and added Robert Knapp as a medical advisor.
Amplistar Inc., of Winston-Salem, N.C., appointed Jim Geyer vice president of research and development.
Applied Molecular Evolution Inc., of San Diego, appointed John Richards to its board.
Ariad Pharmaceuticals Inc., of Cambridge, Mass., appointed Fritz Casselman chief business officer and senior vice president.
Biogen Inc., of Cambridge, Mass., appointed Patrick Purcell vice president, chief information officer.