CAMBRIDGE, Mass., Aug. 15, 2023 /PRNewswire/ -- Alltrna, a Flagship Pioneering company unlocking transfer RNA (tRNA) biology and pioneering tRNA therapeutics to regulate the protein universe and resolve disease, today announced that it has appointed Chris Henderson, Ph.D., as Chief Scientific Officer and promoted William (Will) Kiesman, Ph.D., to Chief Technology Officer. Dr. Henderson was formerly Senior Vice President, Head of Research at Biogen, and Dr. Kiesman was Senior Vice President, CMC and Medicinal Chemistry at Alltrna.