Guava Technologies Inc., of Hayward, Calif., appointed David Ferrick vice president, biology and clinical applications...Senesco Technologies Inc., of New Brunswick, N.J., appointed Richard Dondero vice president of research and development

ART Advanced Research Technologies Inc., of Montreal, appointed Martin Yaffe chairman of its scientific advisory board...DuPont, of Wilmington, Del., appointed Kevin Fitzgerald and Sven Thormahlen to its biotechnology advisory panel

Symyx Technologies Inc., of Santa Clara, Calif., appointed Paul Nowak senior vice president and chief operating officer

Genelabs Technologies Inc., of Redwood City, Calif., appointed Adrian Arima vice president and general counsel...HepaLife Technologies Inc., of Vancouver, British Columbia, appointed Frank Menzler and John Bergmannto to its scientific advisory board...Protein Polymer Technologies Inc., of San Diego, appointed Donald Kaplan, Steven Lamon and Steve Peltzman, and re-elected Edward Cape, Kerry Kuhn, Thomas Parmeter and George Walker, to its board

MultiCell Technologies Inc., of Warwick, R.I., appointed Stephen Mon Wei Chang to its scientific advisory board...Nanogen Inc., of San Diego, appointed David Ludvigson president and chief operating officer

Align Technology Inc., of Santa Clara, Calif., appointed Warren Thaler to its board...Argonaut Technologies Inc., of Foster City, Calif., re-elected Lissa Goldenstein to its board

MultiCell Technologies Inc., of Warwick, R.I., appointed Edward Maggio, Andrew Parkinson, Sangeeta Bhatia and Douglas Hixson to its scientific advisory board

Biolase Technology Inc., of San Clemente, Calif., nominated Robert Anderton to its board...Francis Medical Technologies Inc., of Alameda, Calif., appointed Kevin Sidow president and CEO

Third Wave Technologies Inc., of Madison, Wis., appointed its co-founder Lance Fors executive chairman, and John Puisis CEO and board member

Medisyn Technologies Inc., of Minneapolis, appointed Ian Troup chairman...Orexo AB, of Uppsala, Sweden, appointed Zsolt Lavotha president and CEO

Genentech Inc., of South San Francisco, appointed William Burns and Erich Hunziker to its board...Guava Technologies Inc., of Hayward, Calif., appointed John Lewis director of North American sales

Protein Polymer Technologies Inc., of San Diego, appointed Donald Kaplan president and chief operating officer

NeuroMed Technologies Inc., of Vancouver, British Columbia, appointed William Hunter to its board...Vaxin Inc., of Birmingham, Ala., appointed Francis Cano CEO and chairman

Neose Technologies Inc., of Horsham, Pa., promoted George Vergis to executive vice president of commercial and clinical development, Joseph Villafranca to executive vice president of pharmaceutical development and operations and David Zopf to chief scientific officer

Neose Technologies Inc., of Horsham, Pa., appointed Ketan Desai vice president of preclinical and clinical development...NuGEN Technologies Inc., of San Carlos, Calif., appointed Elizabeth Hutt vice president of sales and service, Anne Kopf-Sill vice president of product development and John Todd vice president of marketing

Neurobiological Technologies Inc., of Richmond, Calif., appointed F. Van Kasper to its board and chairman of the company's audit committee

Emisphere Technologies Inc., of Tarrytown, N.Y., appointed Stephen Carter and Michael Black to its board

Emisphere Technologies Inc., of Tarrytown, N.Y., appointed Elliot Maza chief financial officer...Pennsylvania Biotechnology Association added Boyd Clarke, Ronald Herberman and Les Hudson to its board

Photogen Technologies Inc., of San Diego, added Richard Dean to its board...Samaritan Pharmaceuticals Inc., of Las Vegas, and Samaritan Research Labs at Georgetown University said Thomas Long joined Samaritan Pharmaceutical's advisory board