Abgenix Inc., of Fremont, Calif., appointed Kenneth Lee and Thomas Wiggans to its board.

Adolor Corp., of Exton, Pa., promoted Amy Romero-Gasman to vice president, marketing and David Stephon to vice president, quality assurance.

Argonaut Technologies Inc., of Foster City, Calif., appointed David Ludvigson to its board.

BioInformatics LLC, of Arlington, Va., named Jim Brady senior science analyst, Karen Gliwa senior business analyst and Matthew Scherer senior business analyst.

California Healthcare Institute in La Jolla, Calif., elected Joseph Vallner to its board.

Chiron Corp., of Emeryville, Calif., named David Smith interim chief financial officer.

Corgentech Inc., of Palo Alto, Calif., promoted Patricia Oto to vice president for regulatory affairs and quality assurance.

Deltagen Inc., of Redwood City, Calif., will name John Varian chief financial officer.

Ecopia BioSciences Inc., of Montreal, appointed Gervais Dionne and Louis de Repentigny to its scientific advisory board.

Exact Sciences Corp., of Maynard, Mass., added Patrick Zenner to its board.

Lexicon Genetics Inc., of The Woodlands, Texas, added Philip Brown as vice president of clinical development.

MacroChem Corp., of Lexington, Mass., appointed Thomas Chan vice president of research and development, chief technology officer.

Novuspharma SpA, of Milan, Italy, said shareholders approved the appointment of David Ebsworth as a non-executive director.

Pyrosequencing AB, of Uppsala, Sweden, elected Jeff Bork to its board and intends to name him chairman.

Sepracor Inc., of Marlborough, Mass., appointed Mark Corrigan executive vice president of research and development.

Serologicals Corp., of Atlanta, appointed James Kramer vice president, global manufacturing operations and Cyndi Tolman managing director, plasma operations.

Southern Research Institute, of Birmingham, Ala., added Gary Piazza as manager of cell biology and immunology in the cancer therapeutics and immunology dept. of the drug development division.

The Medicines Co., of Parsippany, N.J., elected William Crouse, Robert Hugin and Robert Savage to its board.