Professor of Psychology, Arizona State University

Temple University

Michigan State University, Purdue University,Case Western Reserve University

University of Delaware

Prof of Child Development & Education, Oxford Univ

Professor of Education and Development in Early Childhood, University of Konstanz

Professor of Early Childhood Education, University of South-eastern Norway

The University of Queensland

Executive Director, Buffett Early Childhood Institute

Associate professor, University of Jyväskylä