Ioannis Tzoutzas is a Professor in the Department of Operative Dentistry, National and Kapodistrian University of Athens. He graduated from the School of Dentistry, Athens University in 1977, and was elected as a full-time clinical instructor in 1981. In 1986, he became an Elected Lecturer in Operative Dentistry. He was a partner in research and education issues at the University of Southern California, USA (1987–1988), and obtained a position as an Assistant Professor at USC in 1987. In 1990, he became an Assistant Professor of Operative Dentistry at the University of Athens, and was promoted to Associate Professor in 1998.