Lianne Hoogeveen is developmental psychologist and founder of the Center for the Study of Giftedness (CBO) of the Radboud University Nijmegen (which became one of the first 14 European Talent Centres), the Netherlands, and a board member of the ‘Internationales Centrum für Begabungsforschung (ICBF) (Westfälische Wilhelms-Universität Münster, Germany). She was the Secretary of ECHA between 2012 and 2016. She is charing the ECHA Qualification Committee and is a representative of the European Talent Support Network. She teaches in the Radboud University and is a guest teacher in different other universities, in and outside the Netherlands. She is involved in post-academic education for psychologists and teachers and in individual counseling of gifted children, youngsters and adults. Lianne conducts scientific research on giftedness and education, and wrote a PhD-thesis on academic acceleration. Concerning research and education, she cooperates with colleagues of other universities, in- and outside the Netherlands.
Johanna M. Raffan MBE, HonLCP, FCoT, FRSA has had many years teaching experience and was a head teacher for 25 years in Nursery, Primary and Middle Schools. She was a founding member of the National Association for Able Children in Education (NACE), is a Past President, was the Founding Director for ten years and is currently a Trustee.
Harald Wagner was born in Ratzeburg, Germany in 1943. He studied Psychology at the University of Hamburg and received his Diploma in 1969 and his PhD in 1979. At the University of Hamburg he was engaged in several research projects and in teaching seminars on developmental psychology and methodology.
During his studies political sciences, psychology and pedagogy at the University of Amsterdam, he already focused on learning processes of children. During and after his education at the university he worked at the famous 'psychological lab', founded by the Hungarian experimental psychologist Géza Révész.