Cel-Sci Corp., of Vienna, Va., appointed Todd S. Burkhart vice president of manufacturing/facilities and commercial operations...CrystalGenomics Inc., of Seoul, South Korea, and CG Pharmaceuticals Inc., of Emeryville, Calif., appointed Eric M. Nelson vice president of business development

NeurogesX Inc., of San Mateo, named Timothy Arendt vice president of sales, Amy C. Cavers senior director of marketing and Linda L. Schock director of commercial operations...Oxygen Biotherapeutics Inc., of Durham, N.C., added Rene A. Eckert and William A. Chatfield to its board

Ipsen Group, of Paris, named Jean-Christophe Tellier president and general manager of the firm's North American operations...Leerink Swann, of Boston, named Brent Clough senior managing director and head of MEDACorp...MDRNA Inc., of Bothell, Wash., appointed Beverly L. Davidson and Carl Novina to its scientific advisory board

Abraxis BioScience Inc., of Los Angeles, named Marty J. Duvall senior vice president of global marketing and international commercial operations...Bioheart Inc., of Sunrise, Fla., named Mark Borman and Charles Hart to its board

subsidiary, which raises awareness of subclinical zinc deficiency and chronic copper toxicity...BiOasis Technologies Inc., of Vancouver, British Columbia, appointed Michael Edward Shannon senior medical advisor and as a board member...Cangene Corp., of Toronto, hired Paul Brisebois as vice president of sales, marketing and business development

Addrenex Pharmaceuticals, of Durham, N.C., named Steven Butts vice president of commercial operations, appointed Gary Bream senior director of scientific affairs and appointed Yuki Prescott clinical trials manager...Arcxis Biotechnologies, of Pleasanton, Calif., named Christine Meda president and CEO...Ikaria Holdings Inc., of Clinton, N.J., appointed Stephen A. Ross senior vice president of commercial operations and named James Briggs senior vice president of human relations

Exiqon, of Vedbaek, Denmark, appointed Cynthia K. French chief scientific officer and Erik Holmlin chief commercial officer...Ikonysis, of New Haven, Conn., named Louise Mawhinney senior vice president and chief financial officer...PharmAthene Inc., of Annapolis, Md., appointed Jordan P. Karp senior vice president and general counsel

Alpharma Inc., of Bridgewater, N.J., appointed Ron Warner executive vice president and chief scientific officer and named R. Scott Shively senior vice president of pharmaceutical commercial operations

EKR Therapeutics Inc., of Cedar Knolls, N.J., named Ernie Biczak senior vice president of marketing, Dave Iwanicki senior vice president of commercial operations, Stephen Hulse vice president of sales and Tong Zhang vice president of business development...Febit group, of Medford, Mass., and Heidelberg, Germany, announced its new scientific advisory board with Mark Chee chairman, Karoly Nikolich vice chairman and David Lockhart, Mostafa Ronaghi and Jeffrey Trent as members

John C. Brown and A. Lad Burgin are retiring from the board...Eileen Valenta vice president, operations and compliance, regulatory affairs...and Shou-Bai Chao vice president of vaccine manufacturing

Biomedical Corp., of San Diego, appointed Punit S. Dhillon vice president of finance and operations...Biophan Technologies Inc., of Pittsford, N.Y., appointed Harold Gubnitsky, John Lanzafame and Travis E. Baugh to its board of directors...BioReliance Corp., of Rockville, Md., named David L. Bellitt vice president of global commercial operations, biologics

Celator Pharmaceuticals, of Princeton, N.J., named Frederick R. Appelbaum and Ross C. Donehower to its scientific advisory board...Evotec AG, of Hamburg, Germany, named Mario Polywka and Klaus Maleck to its management board...Gene Express Inc., of Toledo, Ohio, named David Sidransky and Michael N. Liebman to its scientific advisory board

Diamics Inc., of Novato, Calif., appointed Piush Vidyarthi vice president of operations and business development...Micromet Inc., of Bethesda, Md., appointed Carsten Reinhardt senior vice president and chief medical officer...Phenomix Corp., of San Diego, appointed James Harper and William Harris to its board of directors

TheraQuest Biosciences, of Blue Bell, Pa., appointed Cynthia McCormick and Nathaniel Katz to its scientific advisory board...Transave Inc., of Monmouth Junction, N.J., appointed Nicholas Gurreri senior vice president of commercial operations and business development...Trimeris Inc., of Morrisville, N.C., named Stephen Davis and Barry Quart to its board of directors

Pharmacopeia Drug Discovery Inc., of Princeton, N.J., elected Martin Soeters and Dennis Langer to its board...Pharmacyclics Inc., of Sunnyvale, Calif., appointed Michael Inouye senior vice president of corporate and commercial development...Poniard Pharmaceuticals Inc., of South San Francisco, appointed Ronald Martell president and chief operating officer

Medicure Inc., of Winnipeg, Manitoba, appointed Bonnie Zell senior adviser of commercial operations...and Boston, appointed Claude Benedict senior vice president, clinical development and regulatory affairs

Joseph Schachle to executive vice president and chief of commercial operations...and Gerald St. Peter to senior vice president, sales and field operations

Alfacell Corp., of Bloomfield, N.J., appointed David Sidranksy vice chairman and lead independent director...Amylin Pharmaceuticals Inc., of San Diego, said Daniel Bradbury will become president and CEO on March 31, succeeding Ginger Graham...Ivrea Pharmaceuticals Inc., of Quincy, Mass., appointed Daniel Lynch president and CEO

Transgenomic Inc., of Omaha, Neb., named Debra Schneider vice president and chief financial officer...Viral Genetics Inc., of Azusa, Calif., appointed Marcus Altfeld and Todd Allen to its scientific advisory board...ViroPharma Inc., of Exton, Pa., added Daniel Soland as vice president and chief commercial officer