Jon Kabat-Zinn is a professor of medicine at the University of Massachusetts Medical School. He is a world-renowned mindfulness expert and author. He has written several bestselling books on mindfulness, including Full Catastrophe Living (2013) and Wherever You Go, There You Are (2016).
Zindel V. Segal is a professor of psychology in mood disorders at the University of Toronto Scarborough, and one of the founders of mindfulness-based cognitive therapy (MBCT). He is the author of several books on mindfulness and depression, including Cognitive Vulnerability to Depression (1998).
Mark Williams is a professor of clinical psychology at the University of Oxford, and a leading expert in mindfulness-based cognitive therapy (MBCT). He is the co-author of several books on MBCT, including Mindfulness: A Practical Guide to Finding Peace in a Frantic World (2011).
John Teasdale is a retired professor of psychiatry from the University of Oxford. He is the co-author of several books on MBCT, including The Mindful Way Workbook (2013).