David is Senior Lecturer in Psychology at the University of Greenwich where he teaches the Psychology of Exceptional Human Experience. He was President of the Parapsychological Association between 2009-2011 and has published more than 100 academic papers on the intersection of transpersonal experiences, anomalous phenomena and altered states of consciousness. He has co-authored/co-edited four books on psychedelics and paranormal experience, directs the Ecology, Cosmos and Consciousness salon at the institute of Ecotechnics, and co-founded Breaking Convention.