Accumetrics Inc., of San Diego, appointed Gregory J. Tibbitts chief financial officer.

Action Pharma A/S, of Holte, Denmark, appointed Torben Jung Laursen executive vice president of business development.

AlphaVax, of Research Triangle Park, N.C., hired Lynn Baird as vice president of regulatory, quality and clinical operations.

AVI BioPharma Inc., of Portland, Ore., appointed Stephen B. Shrewsbury chief medical officer and senior vice president of clinical and regulatory affairs

Biota Holdings Ltd., of Melbourne, Australia, appointed James Fox as a nonexecutive director and chairman.

Neuralstem Inc., of Rockville, Md., named James Sasser to its advisory board.

Progenics Pharmaceuticals Inc., of Tarrytown, N.Y., appointed Peter J. Crowley to its board.

SenesTech Inc., of Flagstaff, N.M., elected Susan Airhart to its board.

SRI International, of Menlo Park, Calif., appointed James E. Rurka executive director of biosciences commercialization.

Synta Pharmaceuticals Corp., of Lexington, Mass., appointed Vojo Vukovic vice president of clinical research.

VasoGenix Pharmaceuticals Inc., of Lenexa, Kan., added Richard P. Rainey to its board of directors.

WuXi PharmaTech, of Shanghai, China, added Stewart Hen and Ning Zhao to its board.

XTL Biopharmaceuticals Ltd., of Valley Cottage, N.Y., appointed David Grossman and Boaz Shweiger to its board.