Momenta Pharmaceuticals has tapped Craig Wheeler, the former president of Chiron BioPharmaceuticals, to be its next CEO. Alan Crane, who's stepping down from the post, will stay on the board.

Fresh from raising $60 million in new venture funds, Prestwick Pharmaceuticals has named George F. Horner III president and CEO.

Howard D. Goldstein has accepted the top position at Arcxis Biotechnologies, signaling the company's move into commercial development of its technologies for rapid, diagnostic gene and protein identification.

The Supervisory Board of Epigenomics and CEO and founder Alexander Olek have mutually agreed to end his term as CEO. Olek will continue to act as an advisor to Epigenomics.

Chiltern International has appointed Glenn Kerkhof as CEO.

4-Antibody has named Sijmen de Vries MD, MBA as its new CEO.

Avantogen Oncology has named Angela Bronow Davanzo CFO.

Novavax has named Jeffrey Church, who left GenVec, vice president, CFO and treasurer.

Celera Genomics Group has appointed Joel Jung as vice president of finance.

Renato Fuchs has been named senior vice president, manufacturing and technical operations for Altus Pharmaceuticals.

Dr. Peter Hnik has been named chief medical officer of iCo Therapeutics.

Seaside Therapeutics has appointed Timothy D. Ocain, Ph.D., to the position of senior vice president, research & development.

Omeros Corp. has hired J. Greg Perkins, Ph.D., as vice president, regulatory affairs.

Caliper Life Sciences has appointed Dr. Peter Lassota as the divisional vice president of oncology.

Joachim Schupp has been appointed to the newly created position of vice president of medical affairs for ADVENTRX Pharmaceuticals.

Samir Roy, Ph.D., has joined New River Pharmaceuticals as vice president, formulation and manufacturing.

Novo Nordisk has promoted Camille Lee to vice president of diabetes brand marketing.

Amazon Biotech has hired Rohit Phansalkar to serve as business and financial advisor.

Ambrilia Biopharma has named Luc Tanguay to its board of directors.

Dr. Steve Toon has joined Simcyp's board as executive director.

Osteotech has named Robert W. Gunn to its board of directors.

Daniel S. Lynch was elected to serve as a director of US Oncology Holdings, Inc. and its wholly-owned subsidiary, US Oncology.

Dr. Rosemary Mazanet has joined the board of directors of Cellumen.

American Oriental Bioengineering has added Lawrence Wizel to its board of directors, where he will act as chairman of the audit committee.

Dr. Clem Persaud, a former fellow at the World Health Organization and microbiologist, has joined Medistem's medical advisory board.

VisEn Medical announced that Dr. Markus Rudin has joined its Scientific Advisory Board.