Ancile Pharmaceuticals Inc., of San Diego, named Janice Thompson president and chief executive officer.

Axys Pharmaceuticals Inc., of South San Francisco, named Kathleen Stafford senior vice president and chief financial officer.

BioNet Technologies Inc., of Jupiter, Fla., named Joseph Lamb laboratory manager for its immune technologies division.

Biovector Therapeutics SA, of Toulouse, France, appointed to its board of directors Michael Rosenblatt, a George R. Minot professor of medicine at Harvard Medical School.

Cellomics Inc., of Pittsburgh, appointed Paul Kinnon manager of its European operations.

Cepheid, of Sunnyvale, Calif., appointed Lee Christel vice president of engineering.

Cytovia Inc., of San Diego named Prasaad Sunkara executive vice president of research and development.

Dyax Corp., of Cambridge, Mass., named Pamela Hay senior vice president of corporate development.

Genetronics Biomedical Ltd., of San Diego, appointed Martin Nash president and chief executive officer; James Lierman chief operating officer; and James Heppell interim chairman.

Genovo Inc., of Sharon Hill, Pa., named Anders Brookes vice president of intellectual property and general counsel.

Osteotech Inc., of Eatontown, N.J., named Arthur Alfaro president and chief operating officer.

Regeneron Pharmaceuticals Inc., of Tarrytown, N.J., named Joseph Sorrentino vice president, intellectual property.

Vasogen Inc., of Toronto, appointed to its board of directors Terrance Gregg, president and chief operating officer of MiniMed Inc.

Vion Pharmaceuticals Inc., of New Haven, Conn. appointed Mario Sznol vice president of clinical affairs.

Xanthon Inc., of Research Triangle Park, N.C., named Peter Heath vice president of finance and chief financial officer.