Christina Feldman is a leading senior teacher in the insight meditation community, offering retreats internationally. She is a contributing faculty member in several postgraduate mindfulness programs, including the University of Exeter in the United Kingdom and Radboud University in The Netherlands. She is a cofounder of Gaia House in the United Kingdom and a guiding teacher of the Insight Meditation Society in Barre, Massachusetts. The author of numerous books, Ms. Feldman is a core teacher at Bodhi College in the United Kingdom and is deeply engaged in the dialogue between Buddhist psychology and contemporary mindfulness.

Willem Kuyken, PhD, is Riblat Professor of Mindfulness and Psychological Science at the University of Oxford, United Kingdom, and Director of the Oxford Mindfulness Centre. His work focuses on depression and its prevention and treatment. In particular, his research examines how mindfulness and mindfulness-based programs can prevent depression and enhance human potential across the lifespan. Dr. Kuyken has published more than 100 journal articles, including key papers on the effectiveness, mechanisms, and implementation of mindfulness-based programs.