XOMA Corporation announced the Board of Directors has named Jack L. Wyszomierski as Chairman of the Board. Jack Wyszomierski has been a director of XOMA since August 2010 and Lead Independent Director since May 2023. From 2004 until his retirement in 2009, Mr. Wyszomierski was Executive Vice President and Chief Financial Officer of VWR International, LLC, a global laboratory supply, equipment and distribution business that serves the world's pharmaceutical and biotechnology companies, as well as industrial and governmental organizations.

At Schering-Plough, a global health care company which had worldwide sales of over $8 billion in 2004, Mr. Wyszomierski held positions of increasing responsibility from 1982 to 2004 culminating in his appointment as Executive Vice President and Chief Financial Officer. Mr. Wyszomierski also serves on the Board of Directors of Athersys Inc., Exelixis Inc. and SiteOne Landscape Supply Inc., and previously served on the Board of Directors of Unigene Laboratories Inc., from 2012 to 2013. He holds an M.S. in Industrial Administration and a B.S. in Administration, Management Science and Economics from Carnegie Mellon University.