Dr. Marek Tesar: University of Auckland, Auckland, New Zealand
Prof. Dr. Branislav Pupala: Slovak Academy of Sciences, Bratislava, Slovakia
Dr. Rebecca Adderley: University of Hull, Centre for Educational Studies, Hull, United Kingdom
Dr. Nordin Mamat: Universiti Pendidikan Sultan Idris, Faculty of Education and Human Development, Malaysia
Prof. Dr. Tim Waller: School of Education and Social Care, Cambridge, Anglia Ruskin University, United Kingdom
Prof. Dr. Mindy Blaise: BSc Texas A&M University, MA Seattle University, MEd Teachers College, Columbia University, EdD Teachers College, Columbia University, Australia
Prof. Dr. Susan Greishabber: Faculty of Education at Monash University, Australia
Dr. S.S. Dewanti Handayani: Department of Early Childhood Teacher Education, Faculty of Education, Universitas Negeri Semarang, Indonesia
Dr. Lita Latiana, M.H. : Department of Early Childhood Teacher Education, Faculty of Education, Universitas Negeri Semarang, Indonesia
Yuli Kurniawati, S.Psi., M.A., Ph.D.: Department of Early Childhood Teacher Education, Faculty of Education, Universitas Negeri Semarang, Indonesia