馬克‧威廉斯是牛津大學臨床心理學榮譽教授，他的研究針對藉由了解如何最好地建立韌力與心理適應性，以預防憂鬱症與自殺。威廉斯教授曾任職於劍橋與威爾斯班戈大學醫學研究委員會的認知與腦科學中心，同時也是牛津大學正念中心創辦主任，該中心致力於憂鬱症的預防，以及在生命各階段運用正念於治療，以強化人們的潛能。他著作眾多研究論文與書籍，包含：《憂鬱症的正念認知療法》、《是情緒糟，不是你很糟》、《正念：八週靜心計畫，找回心的喜悅》。他是醫學科學院和英國科學院的院士。

Mark Williams is Emeritus Professor of Clinical Psychology at the University of Oxford. His research focuses on understanding how best to build resilience and mental fitness in order to prevent depression and suicide. Professor Williams has held posts at the Medical Research Council’s Cognition and Brain Sciences Unit at Cambridge and the University of Wales, Bangor and was Founding Director of the University of Oxford’s Mindfulness Centre that works to prevent depression and enhance human potential through the therapeutic use of mindfulness across the lifespan. He is author of many research articles and books, including The Mindful Way through Depression: Freeing Yourself from Chronic Unhappiness (with John Teasdale, Zindel Segal and Jon Kabat-Zinn) and Mindfulness: A Practical Guide to Finding Peace in a Frantic World (with Danny Penman). He is a Fellow of the Academy of Medical Sciences and the British Academy.