The California Institute for Regenerative Medicine in Emeryville, Calif., appointed Arlene Chiu director of scientific programs and review.

The Prostate Cancer Foundation in Santa Monica, Calif., appointed Jeffrey Marcus, Gary Shansby and Lester Smith to its board.

Rosetta Biosoftware, of Seattle, hired Scott DePriest as director of business development.

Seattle Genetics Inc., of Bothell, Wash., appointed David Gryska to its board.

SemBioSys Genetics Inc., of Calgary, Alberta, nominated Hartley Richardson to serve on its board.

Senetek plc, of Napa, Calif., appointed Michael Kloury and Rani Aliahmad to its board.

Senomyx Inc., of La Jolla, Calif., appointed Stephen Block to its board.

Solexa Inc., of Hayward, Calif., appointed Linda Rubinstein vice president.

Somaxon Pharmaceuticals Inc., of San Diego, appointed Philip Jochelson senior vice president and chief medical officer.

SRI International, of Menlo Park, Calif., appointed Walter Moos vice president of its biosciences division.

Synta Pharmaceuticals Corp., of Lexington, Mass., appointed Robert Terifay senior vice president, commercial development and strategy, and Stephen Gansler vice president, human resources.

The Medicines Co., of Parsippany, N.J., appointed Elizabeth Wyatt to its board.

Topigen Pharmaceuticals Inc., of Montreal, appointed John Mohr chief business officer.

Transkaryotic Therapies Inc., of Cambridge, Mass., appointed Eric Pauwels senior vice president, global commercial operations.