R Ramanujam is a theoretical computer scientist and logician, who has also worked on mathematics education. He was a faculty member of the Institute of Mathematical Sciences, Chennai, India until July 2021 when he retired as professor and has since been with Azim Premji University, Bengaluru, India, teaching in the Mathematics group and Teacher Education group. He is currently President of the Mathematics Teachers' Association (India) and was earlier President of the Association for Logic in India.