Dr. Olaf Koob, MD, was born in 1943. He studied medicine and worked as a school doctor in Freiburg and Wanne-Eickel, Germany. He has been a drug counselor, a general practitioner in Weimar and Berlin, a school doctor at the Berlin Therapy Centre for children with special needs, and spent many years collaborating on a research project into drug-related diseases and social factors. He currently lectures and leads seminars in Germany and around the world and is the author of numerous books on medicine and healing.