Trees van Nunen is the DbI network coordinator. She is a member of DbI ManCom and DbI ComCom. In daily life she is working as a certified psychologist at Royal Kentalis in the Netherlands. She is coordinator and chairperson of a multidisciplinary diagnostic team and is involved in several research projects at Kentalis Academy. She is specialized in diagnostics and assessment of cognition and other developmental areas of persons with congenital deafblindness and persons with deafness in combination with an intellectual disability. In the past she was involved in international projects (Uganda, Burkina Faso, Ethiopia).