Acadia Pharmaceuticals Inc., of San Diego, appointed Tamas Bartfai to its scientific advisory board.

Aventis Pharma AG, of Frankfurt, Germany, said Robert Lewis joined its drug innovation and approval unit as head of immunology.

Axys Pharmaceuticals Inc., of South San Francisco, named Timothy McBride vice president, business development.

CoPharma Inc., of Hopkinton, Mass., appointed David Fanning chief business officer.

IDEC Pharmaceuticals Corp., of San Diego, promoted Phillip Schneider and Connie Matsui to senior vice presidents.

Illumina Inc., of San Diego, appointed Arnold Oliphant vice president of scientific operations.

Iomed Inc., of Salt Lake City, appointed James Laufenberg vice president of sales and marketing, Michael Busch vice president of clinical and regulatory affairs, and Greg Fisher vice president of clinical and commercial development of its product IontoDex.

Ixion Biotechnology Inc., of Alachua, Fla., appointed Ross Holmes to its scientific advisory board.

Milkhaus Laboratory Inc., of Boxford, Mass., named John MacDonald president and chief operating officer.

Morphotek Inc., of Philadelphia, promoted Luigi Grasso to vice president of research and development.

Nexell Therapeutics Inc., of Irvine, Calif., elected Daniel Levitt to its board of directors.

Novavax Inc., of Columbia, Md., appointed Dennis Genge vice president, chief financial officer/treasurer.

Triangle Pharmaceuticals Inc., of Durham, N.C., promoted Paul Dreyer to executive vice president of commercial operations.

Vivus Inc., of Mountain View, Calif., named John Dietrich vice president of research and development.