David Tzuriel, Ph.D. is Professor Emeritus at Bar-Ilan University. He is a clinical and educational psychologist and an expert on dynamic assessment of learning potential and theory of mediated learning experience (MLE). David Tzuriel has received his B.A. (1970) and M.A. (1973) degrees in Psychology and Education at Bar-Ilan University (Israel) and his Ph.D. (1977) from Peabody College of Vanderbilt University (USA). Currently he works as Head of the Research Unit at Feuerstein Institute in Jerusalem and Chairman of Graduate Program of Learning Disabilities Program at Talpiot College. David Tzuriel served as the President of the International Association for Cognitive Education and Psychology (1999-2001) and as Editor-in-Chief of the Journal of Cognitive Education and Psychology (JCEP; 2006-2011; 2016--2020). His scientific work is related to empirical validation, implementation, and modification of the theories of Feuerstein and Vygotsky, and his research is cited frequently in the literature. David Tzuriel supervised 95 MA and Ph.D. students, and published many studies and books in the field of dynamic assessment, cognitive modifiability, parent-child mediated learning interactions, peers and siblings mediation, spatial abilities, executive functions and effectiveness of cognitive education programs. David Tzuriel is known as a leader and developer of the dynamic assessment movement and taught more than 200 international workshops in dynamic assessment and cognitive education programs.