Professor of Education, Universidad Torcuato di Tella, Argentina

Professor at the University of Porto and Director at CIPES

Lusofona University, Lisbon

CIEC - Research Centre on Child Studies

National University of Political Studies and Public Administration

Associate Professor of Educational Administration, Selçuk Üniversitesi

Warsaw School of Economics (SGH)

Departamento de Matemática - Universidade de Coimbra, Portugal

Université Laval

Professor (Assistant), University of Liege (Belgium)