LifeCell Corp., of Branchburg, N.J., named David McGirr to its board.

Medarex Inc., of Princeton, N.J., elected Marc Rubin to its board.

MedImmune Inc., of Gaithersburg, Md., appointed Alexander Zukiwski senior vice president of clinical research; Timothy Hahn vice president of antibody manufacturing; and Timothy Maines vice president of corporate quality assurance. The company also promoted Max Donley to vice president of human resources; Jonathan Klein-Evans vice president of intellectual property; Timothy Pearson vice president and chief financial officer; and Paul Williams vice president of sales operations.