 MENLO PARK, Calif., Sept. 15, 2021 GLOBE NEWSWIRE -- CohBar, Inc. NASDAQ: CWBR, a clinical stage biotechnology company developing mitochondria based therapeutics to treat chronic diseases and extend healthy lifespan, today announced the appointment of Joanne Yun, Ph.D. as an independent director on the companys Board, effective September 14, 2021. Dr. Yun brings extensive research and development, commercial, and governance experience from the pharmaceutical industry. 