Special Series WHO Elects Dr. Ghebreyesus as its New Director-General Posted July 14, 2017November 29, 2022 WiRED International Archived story. Original version is here.Tedros Adhanom Ghebreyesus, Ph.D., took office this July as Director-General of the World Health Organization (WHO). He succeeds Margaret Chan, M.D., WHO’s director since 2007. Sharing