Genomatica Inc., of San Diego, formed a scientific advisory board consisting of George Church, Leroy Hood, Eugene Myers and Bernhard Palsson, who will serve as chairman.

Guava Technologies Inc., of Hayward, Calif., appointed David Ferrick vice president, biology and clinical applications.

GenVault, of San Diego, appointed Waun Ki Hong and Jay Tischfield to its scientific advisory board.

Imaging Diagnostic Systems Inc., of Fort Lauderdale, Fla., appointed Tim Hansen CEO and a board member.

Immtech International Inc., of Vernon Hills, Ill., appointed David Tiemeier vice president of licensing and development.

Immuno-Designed Molecules, Paris, appointed Marc Guyader to its board.

InKine Pharmaceutical Co. Inc., of Blue Bell, Pa., appointed William Harral to its board.

ISTA Pharmaceuticals Inc., of Irvine, Calif., appointed Dean Mitchell and Rolf Classon to its board, and Richard Williams as its chairman.

Memory Pharmaceuticals Inc., of Montvale, N.J., appointed Michael Murray vice president of preclinical drug development.

Merrimack Pharmaceuticals Inc., of Cambridge, Mass., appointed Brian Hamilton vice president of clinical and regulatory affairs.

MGI Pharma Inc., of Minneapolis, appointed Eric Loukas vice president, general counsel and corporate secretary.

MicroIslet Inc., of San Diego, appointed Myron Wick and Cynthia Ekberg Tsai to its board.

Neose Technologies Inc., of Horsham, Pa., appointed Robert Maigetter vice president of manufacturing.

Neurogen Corp., of Branford, Conn., promoted Charles Ritrovato to senior vice president of drug development and regulatory affairs, and Thomas Pitler to vice president of business development.

Nuvelo Inc., of Sunnyvale, Calif., appointed Lee Bendekgey senior vice president and general counsel.

Osel Inc., of Santa Clara, Calif., appointed Ralph Levy president.

Pharmos Corp., of Iselin, N.J., appointed James Meer vice president, chief financial officer, secretary and treasurer.

Phylogeny, of Columbus, Ohio, appointed Istvan Merchenthaler chief medical officer.

PPD Inc., of Wilmington, N.C., appointed Steadman Harrison senior research director and executive director of research and development of Piedmont Research Center.

Princeton BioMolecular Research Inc., of Princeton, N.J., appointed Ian Cloudsdale director of business development and research.

Rib-X Pharmaceuticals Inc., of New Haven, Conn., appointed C. Boyd Clarke to its board.

RPS, of Philadelphia, appointed Lori Jacobi vice president of clinical affairs.

Saegis Pharmaceuticals Inc., of Half Moon Bay, Calif., appointed Floyd Bloom and Richard Huganir to its scientific advisory board.

Savient Pharmaceuticals Inc., of East Brunswick, N.J., appointed Christopher Clement president, CEO and acting chairman.

Senesco Technologies Inc., of New Brunswick, N.J., appointed Richard Dondero vice president of research and development.

SkinMedica Inc., of Carlsbad, Calif., appointed Ronald Trancik vice president of research and development.

Spectrum Pharmaceuticals Inc., of Irvine, Calif., appointed Ann Kessler, Armin Kessler, Anthony Maida, Dilip Mehta, Rajesh Shrotriya, Paul Silverman and Julius Vida to its board.

Syrrx Inc., of San Diego, promoted Jeffrey Stafford to vice president of chemistry.

Targeted Diagnostics & Therapeutics Inc., of West Chester, Pa., appointed Daniel O'Shannessy chief operating officer.

The Biotechnology Institute, of Arlington, Va., appointed Jennifer Moire director of communications and Katherine Zorn manager of development.

Transave Inc., of Monmouth Junction, N.J., appointed Gerald Baty vice president, finance.

U3 Pharma AG, of Martinsried, Germany, appointed Claes Wilhelmsson to its supervisory board.