BERKELEY, Calif., Nov. 15, 2010 (GLOBE NEWSWIRE) -- XOMA Ltd. (Nasdaq:XOMA), a leader in the discovery and development of antibody therapeutics, announced that Timothy P. Walbert has been elected to XOMA’s Board of Directors. Mr. Walbert is a seasoned executive with extensive experience launching therapeutic products including Abbott’s highly successful multi-indication biologic drug, HUMIRA®, and building and leading commercial organizations in the pharmaceutical and biotech industry.