Pim Blomaard trained as a philosopher. He obtained his PhD with a dissertation on the personal relationship as the core of the guidance of people with intellectual disabilities. He worked for many years as managing director of anthroposophic assistance for the disabled. He is currently a researcher with the Free University of Amsterdam and a consultant at the Raphaëlstichting in the field of anthroposophic identity development. Marijke Bijloo (1955 -2010) worked in various positions with Zonnehuizen for thirty-one years. From there, she founded the Two Streams Polyclinic in Zutphen, Netherlands. With her love for the children, her wisdom, and her expertise in the conventional and anthroposophic fields, she designed and led this outpatient clinic as head of treatment. Anthroposophy was a radiant source of inspiration for Marijke, a wealth she readily shared. Marijke knew best how to make the connection between Two Streams: outer forces and the spiritual content of working with and for the children and their environment. Bernard Heldt is Vice-president at ECCE, European Co-operation in anthroposophical Curative Education and Social Therapy, and eeveloping the Surinam Vocational training course 'Centrale Opleiding Agogisch Werk' (COAW) at the Vereniging van Particuliere en Sociale Instellingen (VPSI) in Paramaribo (SR)1998 - 2006. He is also supporting the development of the vocational training course 'Formacion de Pedagogía Curativa' in Buenos Aires, as well as various vocational training courses in the field of handicap care in the Netherlands, among other endeavors. He is a board member (president, treasurer or secretary of (national) church communities, developmental aid foundations (one special for Surinam), health care associations, institutes. Willem De Koning is a former manager-director of Vrije School Mareland in Leiden South Holland. Martin Niemeijer, MD (b.1947), has worked as a doctor for children with developmental problems in various settings for thirty-five years. He practiced in clinical and outpatient settings among others at the Zonnehuizen (Zeist, Netherlands) and at the Hague Childhood and Adolescent Therapeuticum. In 1981, he co-founded and became the chair of the Netherlands Association of Physicians for the Mentally Handicapped. Since 1995 he has conducted scientific research in his field of expertise, initially at the Louis Bolk Institute, later for the Alliance for Curative Education, both in the Netherlands. Since 2005, he is a researcher at the Lectorate for Anthroposophic Healthcare at the Leiden University College in the Netherlands. Martin has also been a teacher for many years. In 2015 he became a member of the Bolk's Companions Group. Various scientific publications have appeared from his hand in various journals, as well as books about children with developmental disorders and on additional medical, pedagogical, and psychological assessment methods for the work with these children. Erik W. Baars, MD, MSc, PhD, is a senior-researcher Healthcare (Louis Bolk Institute) and a professor of Anthroposophic Medicine (University of Applied Sciences, Leiden, The Netherlands).His research interests include clinical studies, health promotion, holism-reductionism, Integrative Medicine, concept and methodology development. Erik Baars published ca 205 papers, articles, book chapters and monographs. Together with profesoor Peter Kooreman (Tilburg University, health economics), he received the ""Excellence in Integrative Medicine Research Award"" (category ""clinical research"") provided by the European Society of Integrative Medicine for the article 'Patients whose GP knows complementary medicine tend to have lower costs and live longer' in the European Journal of Health Economics (Kooreman and Baars, 2011). Currently Prof. Baars is project leader of an international research project reviewing the contribution of anthroposophic medicine and complementary medicine to the treatment of infections and solving the problem of antibiotic resistance. Philip Mees was born in Holland and has lived in the United States since 1969. He is a retired bank officer and was for many years a trustee of the Rudolf Steiner Foundation (RSF Social Finance, San Francisco CA). He is a long-time student of Rudolf Steiner's work and one of his particular interests is the evolution of human consciousness through the ages as expressed in art, as well as in human actions in everyday life today. His principal retirement occupation is translating Dutch anthroposophical books, in which his ably assisted by his wife Linda Connell. Linda and he live in Glendale CA.