Jos de Keijser provides post graduate education for psychotherapists and clinical psychologists in training. He is Principal Educator Clinical Psychologist and Principal Educator Psychotherapistdirector of the Post MSc Psychology Institute PPO (www.ppo-opleidingen.nl) and provides periodic and further training in different subjects, like diagnostics, psychotherapy and psychological treatment of complicated grief. He also lectures on these subjects in undergraduate and graduate education in the Department of Psychology (GMW/RuG) and for other education institutes (RINO’s).