Related to: 'Mindful Yoga-Based Acceptance and Commitment Therapy'

Leading nutrition expert.

Patrick Holford

Patrick Holford is founder of the Institute for Optimum Nutrition in London. He is also director of the Food for the Brain Foundation and an honorary fellow of the British Association of Nutritional Therapy. He is one of Britain's top nutrition experts and is the author of over 25 health books.

Anneliese Singh

Anneliese A. Singh, PhD, LPC, is associate dean of diversity, equity, and inclusion in the College of Education at the University of Georgia, and associate professor in the department of counseling and human development services. She received her doctorate in counseling psychology from Georgia State University in 2007. Her clinical, research, and advocacy interests include: LGBTQQ counseling, resilience of historically marginalized groups (e.g., LGBTQ, people of color, immigrants), social justice and multicultural counseling and training, feminist theory and practice, and empowerment interventions with survivors of trauma. Singh is a cofounder of the Georgia Safe Schools Coalition, an organization that works at the intersection of heterosexism, racism, sexism, and other oppressions to create safe school environments in Georgia, and she founded the Trans Resilience Project to translate findings from her 15 years of research on the resilience that transgender people develop to navigate societal oppression.

Cathy Creswell

CATHY CRESWELL is a professor of developmental clinical psychology based in the school of psychology and clinical language sciences at the University of Reading and an honorary consultant clinical psychologist and joint director of the University of Reading Anxiety and Depression in Young People (AnDY) clinical research unit.

Chris Johnstone

Dr Chris Johnstone is one of the UK's leading resilience trainers, with more than three decades' experience teaching in this field. He graduated in medicine with distinction in 1986, after a first degree specialising in psychology. Experiencing burnout and depression as a junior hospital doctor, he became a leading figure in the campaign to improve working conditions. He trained as a GP before moving into the mental-health field, where for many years he ran groups teaching resilience skills. Influenced much by positive psychology, he trained with Martin Seligman and other leading practitioners in 2005. Since then he has pioneered the role of resilience training in mental-health promotion, coaching practice and the workplace. His previous book Active Hope (co-authored with Joanna Macy) has been published in more than eight languages, his video-based online course Personal Resilience in an Hour has participants from more than 55 countries. He lives in the north of Scotland, where he teaches online at CollegeofWellbeing.com.

Christopher Freeman

DR CHRIS FREEMAN was an honorary professor at Queen Margaret University, Edinburgh. As consultant psychiatrist, he created and led services for eating disorders for over forty years and ran outpatient, day patient and inpatient units and, most recently, an intensive home treatment team for severe anorexia nervosa - all in the Edinburgh/South-East Scotland area.

Colin Espie

Colin A. Espie PhD, DSc is Professor of Sleep Medicine in the Nuffield Department of Clinical Neuroscience and a Fellow of Somerville College, University of Oxford. He is Research Director of the Experimental and Clinical Sleep Medicine program within the Sleep & Circadian Neuroscience Institute, and Clinical Director of the Oxford Online Program in Sleep Medicine. Dr Espie has authored/co-authored over 200 publications and books, particularly on CBT, and is co-founder of Big Health (Sleepio) which develops digital interventions for insomnia.

David Feinstein

David Feinstein, Ph.D. is a clinical psychologist who has served on the faculties of The Johns Hopkins University School of Medicine and Antioch College. He is married to Donan Eden.

Donna Eden

Donna Eden has been teaching people to understand the body as an energy system for two decades. She speaks to capacity crowds and runs workshops all over the world. She is married to psychologist David Feinstein.

Emma K. O'Donoghue

Emma K. O'Donoghue, DClinPsy, is a senior clinical psychologist working in community psychosis settings in South London. She has a longstanding interest in using ACT approaches for people experiencing first episode and established psychosis and those with bipolar affective disorder. She coordinated a recent randomized controlled trial of ACT workshops for service users and caregivers in community psychosis settings and is involved in working with service users to facilitate ACT interventions. O'Donoghue regularly trains psychologists in ACT for psychosis interventions and teaches on London psychology masters and doctoral courses in ACT approaches.

Eric M.J. Morris

Eric M. J. Morris, PhD, is a clinical psychologist and director of the La Trobe University Psychology Clinic, Melbourne, Australia. Morris previously worked as the psychology lead for early intervention for psychosis at the South London and Maudsley NHS Foundation Trust, UK. He has twenty years' experience treating people with psychosis, and their families, using psychological therapies. Morris completed a PhD at King's College London, researching acceptance and commitment therapy as an individual- and group-based intervention for people recovering from psychosis, and as workplace resilience training for mental health workers. Morris is a coeditor of Acceptance and Commitment Therapy and Mindfulness for Psychosis and coauthor of the self-help guide, ACTivate Your Life: Using Acceptance and Mindfulness to Build a Life That Is Rich, Fulfilling and Fun.

Frank Tallis

Dr Frank Tallis is a writer and clinical psychologist. He has held lecturing posts in clinical psychology at the Institute of Psychiatry and neuroscience at King's College London. He has published over 30 scientific papers in international journals and has written a textbook on cognitive and neuropsychological aspects of Obsessive Compulsive Disorder (OCD). He has written three works of psychology for the lay reader: Changing Minds (a history of psychotherapy), Hidden Minds (a history of the unconscious) and Lovesick (an exploration of the relationship between romantic love and mental illness).

Gary Craig

Gary Craig is the founder of Emotional Freedom Techniques (EFT). He is a co-author of The Healing Power of EFT and Energy Psychology.

Guy Claxton

Guy Claxton is an internationally renowned writer, author of HARE BRAIN, TORTOISE MIND. He is Visiting Professor in Learning Science at the University of Bristol Graduate School of Education.

Hugh Mackay

Hugh Mackay is a social researcher and bestselling author. He has a master's degree in moral philosophy and was one of the founders of the St James Ethics Centre. He has been awarded honorary doctorates by five Australian universities and is a Fellow of the Australian Psychological Society. In 2015, he was appointed an Officer of the Order of Australia. He lives in Canberra.

Irvin D. Yalom

Dr Irvin Yalom is an emeritus professor of psychiatry at Stanford University and the author of many books, including Creatures of a Day and the bestselling Love's Executioner. He and his wife, the author Marilyn Yalom, live in Palo Alto, California.

John D. Preston

John Preston, PsyD, is a board certified psychologist and the author of ten books including Survivors, You Can Beat Depression, Integrative Brief Therapy, and Life is Hard (audio). He is on the faculty of Alliant University and the University of California, Davis, Medical School. He is the recipient of the Mental Health Association's President's Award for contributions to the mental health community. Dr. Preston has lectured widely in North America and abroad.

Joseph E. Oliver

Joseph E. Oliver, PhD, is a clinical psychologist who has been working within the UK National Health Service for the past ten years, specializing in the treatment of psychosis. He runs a private ACT-based consultancy in London, UK, that offers training, supervision and psychological therapy. He is also chair of the national BABCP ACT committee, which promotes and develops ACT within the UK. Oliver is coeditor of Acceptance and Commitment Therapy and Mindfulness for Psychosis and coauthor of the self-help guide, ACTivate Your Life: Using Acceptance and Mindfulness to Build a Life That Is Rich, Fulfilling and Fun.

Lee Brosan

Dr Lee Brosan is a consultant psychologist with the Cambridgeshire & Peterborough NHS Foundation Trust. Over a long career she has been Head of the Psychological Treatment Service, Trust Lead for the Development of Psychological Therapies, Clinical Associate at the MRC Cognitive and Brain Science Unit in Cambridge, a founder member of the Cambridge Clinical Research Centre for Affective Disorders, and Associate Lecturer in the Experimental Psychology Department at Cambridge.

Lore Dickey

lore m. dickey is assistant professor in the department of educational psychology at Northern Arizona University. He has a long history of LGBTQ advocacy and social justice work, and has presented throughout the world on trans-affirmative practice with gender diverse people, and recently completed serving as co-chair with Anneliese Singh of the APA task force that developed the Guidelines for Psychological Practice with Transgender and Gender Nonconforming People. His research and clinical work focuses on addressing the needs of gender diverse individuals.

Louise C. Johns

Louise C. Johns, DPhil, is a consultant clinical psychologist and BABCP accredited cognitive behavioral therapist. She works in the Oxford Early Intervention in Psychosis Service, overseeing the delivery and evaluation of psychological interventions for clients and their caregivers, including the training and supervision of staff. She is also an honorary senior research fellow in the department of psychiatry, University of Oxford, and an associate member of the Oxford Cognitive Therapy Centre. She is coeditor of the book, Acceptance and Commitment Therapy and Mindfulness for Psychosis.

Lucy Willetts

LUCY WILLETTS is a clinical psychologist and accredited CBT therapist. She is also a visiting fellow at the University of Reading. She has a particular interest in the treatment of anxiety disorders in children and young people and has published a number of research papers and several books.