XOMA Corporation announced Barbara Kosacz, a Partner at Cooley LLP, has joined the company's Board of Directors. Ms. Kosacz is the international head of Cooley's life sciences practice and has served on the firm's management committee. Ms. Kosacz has more than 25 years of experience in counseling clients in the life sciences arena, ranging from early stage startups to larger public companies, venture funds, investment banks, and non-profit institutions.