Morphotek Inc., of Philadelphia, appointed to its board of directors Allan Bedwick, president of Bedwick Capital Management and David Joseph, chairman of Orthovita.

Myriad Genetics Inc., of Salt Lake City, named S. George Simon vice president of business development.

NaPro BioTherapeutics Inc., of Boulder, Col., appointed to its board of directors Edward L. Erickson, Richard N. Perle and Robert E. Pollack.

Nexell Therapeutics Inc., of Irvine, Calif., promoted William Albright Jr. president and COO.

Oncolytics Biotech Inc., of Calgary, Alberta, appointed to its board of directors Robert B. Shultz.

Packard BioScience Co., Meriden, Conn., elected to its board of directors Harry H. Penner Jr.

Palomar Medical Technologies Inc., of Burlington, Mass., elected Joseph P. Caruso president and chief operating officer.

PPGx Inc., of Morrisville, N.C., named Mark E. Furth chief scientific officer.

RenalTech International LLC, of New York, appointed Ellen M.Golds director of product development.

Ribozyme Pharmaceuticals Inc., of Boulder, Col., promoted Nassim Usman to vice president of research and development and Lawrence M. Blatt vice president of research.

Rigel Pharmaceuticals Inc., of South San Francisco, Calif., appointed Susan M. Molineaux senior director combinatorial biology and drug discovery.

The Institute for Systems Biology, of Seattle, named to its faculty Alan Aderem, Ruedi Aebersold, George Lake and Ger van den Engh.

The Massachusetts Biotechnology Council, of Cambridge, Mass., elected as chair of its board of directors Michael J. Astrue, senior vice president, administration, and general council for Transkaryotic Therapies Inc.

Triangle Pharmaceuticals Inc., of Durham, N.C., appointed Robert Amundsen Jr. executive vice president and chief financial officer and Andrew Finkle executive vice president, general counsel and secretary.

Valentis Inc., of Burlingame, Calif., named Tyler Martin vice president, medical and regulatory affairs.

Vidamed Inc., of Fremont, Calif., appointed Diane M. Anderson vice president of sales and marketing.

Vivus Inc., of Mountain View, Calif. promoted Guy Marsh to vice president of operations and general manager.

Zycos Inc., of Lexington, Mass., appointed Dave Shubert vice president, regulatory affairs and quality assurance.