Ambrx Biopharma Inc. announced Katrin Rupalla, Ph.D., has been appointed Chair of Ambrx's Board, replacing Dr. Tian. Concurrent to Ms. Hermans appointment, Katrin Rupalla, Ph.D., was appointed Chair of the Board of Directors, replacing Dr. Tian. Dr. Rupalla has served on the Board since April 2021 and has more than 25 years of experience in the pharmaceutical industry at a global scale.