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CombiMatrix names Weslie Tyson, M.D., as Chief Medical Officer

CombiMatrix announced that pediatric pathologist R. Weslie Tyson, M.D., has been hired as Chief Medical Officer, effective April 8. Dr. Tyson will replace Richard D. Hockett, Jr., M.D., as Chief Medical Officer, whose resignation was disclosed in a Form 8-K filed with the Securities and Exchange Commission on February 24. Dr. Tyson has been a practicing pediatric and perinatal pathologist for 24 years.