• Alpha Therapeutic Corp., of Los Angeles, named James Pennington senior vice president, research, development and clinical affairs.

• Biogen Inc., of Cambridge, Mass., appointed Thomas Bucknum vice president-general counsel and secretary.

• Biomerica Inc., of Newport Beach, Calif., elected to its board of directors Francis Cano, former president and chief operating officer of Aviron, of Mountain View, Calif.

• BioStar Inc., of Boulder, Colo., named Noel Doheny president and CEO.

• Bio-Technology General Corp., of Iselin, N.J., promoted Robert Shaw to senior vice president.

• Biovector Therapeutics SA, of Toulouse, France, appointed to its board of directors Georges Hibon, former president and CEO of Pasteur Merieux Connaught of North America.

• Celgene Corp., of Warren, N.J., named Robert Hugin chief financial officer and senior vice president.

• Cellegy Pharmaceuticals Inc., of South San Francisco, appointed John Dietrich vice president, research and development.

• Chiron Corp., of Emeryville, Calif., named Paul Hastings president of its biopharmaceuticals business.

• Coelacanth Corp., of East Windsor, N.J., named John Skolas chief financial officer and Barry Wolitzky vice president of discovery.

• COR Therapeutics Inc., of South San Francisco, promoted Todd Lorenz to vice president, medical affairs.

• Cortex Pharmaceuticals Inc., of Irvine, Calif., named Ursula Staubli vice president of biological research.

• CpG ImmunoPharmaceuticals Inc., named Ralph Venhaus vice president of medical affairs.

• Cubist Pharmaceuticals Inc., of Cambridge, Mass., appointed to its board of directors Walter Maupay, former group executive and president of Calgon Vestal Laboratories; Trudie Resch, an investment manager with Sofinov Society Financiere D'Innovation Inc., of Montreal; and John Zabriskie, chief executive officer of NEN Life Science Products Inc.