ChemGenex Pharmaceuticals Ltd., of Melbourne, Australia, appointed Patrick Burns and Peter Bradfield to its board...Connetics Corp., of Palo Alto, Calif., appointed Scott Meggs senior director, corporate counsel

PharmaMar SA, of Madrid, Spain, appointed Pedro Santabarbara senior director of the clinical development department...VaxGen Inc., of Brisbane, Calif., appointed Eve Slater and Kevin Reilly to its board...ViaCell Inc., of Boston, appointed Paul Blake and James Sigler to its board

AtheroGenics Inc., of Atlanta, appointed Philip Krape senior director, business development, and Robert Small senior director, biostatistics and data management

Rinat Neuroscience Corp., of Palo Alto, Calif., appointed Carol Stratford vice president, intellectual property, and Paul Resnick senior director of business development...It also promoted Robert King to vice president, product development and manufacturing, and Fletcher Payne to vice president, finance

MAP Pharmaceuticals Inc., of Mountain View, Calif., appointed Jerry Okikawa senior director, product development...MaxCyte Inc., of Gaithersburg, Md., appointed Madhusudan Peshwa vice president, research and development

Biocom, of San Diego, appointed Jack Lief chairman and added new board members Dana Di Ferdinando, Larry Fitch, Mary Lyons, Randall Woods and Kleanthis Xanthopoulos...Encysive Pharmaceuticals Inc., of Houston, appointed Toby Juvenal vice president of sales, and Morris Cheeks senior director of medical affairs

Genizon BioSciences Inc., of Montreal, appointed Tim Keith vice president and chief scientific officer...and Jonathan Segal senior scientific software engineer, bioinformatics and statistical genetics

Inc., of Blue Bell, Pa., appointed John Cullen senior vice president and general counsel...Sirna Therapeutics Inc., of Boulder, Colo., appointed Rebecca Galler Robison senior director of corporate strategy

Dendreon Corp., of Seattle, appointed Rick Hamm senior vice president and general counsel...Momenta Pharmaceuticals Inc., of Cambridge, Mass., appointed John Bishop vice president of pharmaceutical sciences and manufacturing, and Michael Lawless senior director of investor relations

Metabasis Therapeutics Inc., of San Diego, appointed John Lucas vice president of intellectual property and Susan Meineke senior director of human resources...and Michael Keavany senior vice president of sales and marketing

Arcturus Bioscience Inc., of Mountain View, Calif., said its CEO and chairman Thomas Baer was appointed consulting professor in the department of applied physics at Stanford University...Array BioPharma Inc., of Boulder, Colo., appointed Ronald Franklin senior director of drug metabolism

Arena Pharmaceuticals Inc., of San Diego, appointed Harry Hixson and Tina Nova to its board...BioRexis Pharmaceutical Corp., of King of Prussia, Pa., appointed Frederick Jones senior director of business development...Zonagen Inc., of The Woodlands, Texas, nominated Nola Masterson and David Poorvin to its board

Diffusion Pharmaceuticals, of Charlottesville, Va., appointed Chris Dvergsten senior director of scientific affairs, and Kelly Hoy director of regulatory filings

Anadys Pharmaceuticals Inc., of San Diego, appointed Douglas Williams and Steven Holtzman to its board...BioEnterprise Corp., of Cleveland, appointed Glen Gaughan and Michael Lang to its business development team...Embrex Inc., of Research Triangle Park, N.C., appointed David Kelly senior director of product management, Inovocox

Serologicals Corp., of Atlanta, promoted Chris Park to senior director of North American manufacturing quality assurance...SinusPharma Inc., of Carpinteria, Calif., appointed Robin Campbell president, CEO and a member of its board

Nanogen Inc., of San Diego, appointed David Ludvigson president and chief operating officer...PharmaNet, of Washington, appointed Duu-Gong Wu, senior director of PharmaNet Consulting

Cellerant Therapeutics Inc., of Palo Alto, Calif., appointed Timothy Fong vice president of research, and Linda Rogers senior director of global clinical operations...CyDex Inc., of Lenexa, Kan., appointed Joseph Fix president and chief operating officer

Affymax Inc., of Palo Alto, Calif., appointed Robert Naso executive vice president of research and development, Gene Tutwiler executive vice president of new ventures and Mary Cirtin Fermi senior director of commercial development...Cepheid Inc., of Sunnyvale, Calif., elected David Persing and Mitchell Mroz to its board

NPS Pharmaceuticals Inc., of Salt Lake City, appointed Margaret Crowley senior director of marketing, David Pierson senior director of sales, and Stephen Morris senior director of medical affairs