C&L: Picker tapped as new Tapestry president

Tapestry Pharmaceuticals has named Donald H. Picker, Ph.D. to the position of president, effective January 2, 2007. Dr. Picker joins Tapestry with more than 25 years of experience in all phases of oncology drug development.

XDx a molecular diagnostics company, has named Mitchell J. Nelles, PhD, to the position of vice president of research and development and technical operations.

Radius has appointed Nick Harvey to the position of senior vice president and CFO.

AviaraDx has named Carol Berry as vice president of sales.

Celgene Corporation has elected Sol J. Barer, Ph.D., CEO, to the additional position of chairman of the board.