Yannis Ioannidis (Greek: Γιάννης Ιωαννίδης) is a Greek computer scientist who is the current President of the Association for Computing Machinery.^[1] He is a professor at the University of Athens^[2] as well as an Associated Faculty at the "Athena" Research and Innovation Center, where he also served as the President and General Director for 10 years (2011–2021).^[3][4][5][6]