Related to: 'The World's Fittest Book'

Barbara Delinsky

Barbara Delinsky lives in Needham, Massachusetts. With thirty million copies of her novels in print, in twenty-five different languages, Delinsky is one of the world's most beloved and revered storytellers.A lifelong New Englander, she uses the area as settings in most of her stories. In her spare time, Barbara enjoys kayaking, aerobics, and needlepoint; in addition to spending time with family and friends. She is also a breast cancer survivor, and strives to be a positive role model for other women facing the disease.

Bruce Blumberg, PhD

Dr. Bruce Blumberg has been conducting pioneering research in the field of human biology for more than thirty years. In 2012, the was elected as a fellow of the prestigious American Association for the Advancement of Science. Today he is Professor in the Departments of Developmental and Cell Biology, Pharmaceutical Sciences, and Biomedical Engineering at the University of California, Irvine (UCI). At UCI, his laboratory studies the biology of nuclear hormone receptors in development, physiology, and disease with a particular emphasis on how these are affected by hormonally active compounds in the diet and environment.

Catherine Atkinson

Catherine Atkinson has a degree in Food and Nutrition BSc (Hons). She has been Deputy Cookery Editor on Woman's Weekly magazine and later Cookery Editor of Home. Catherine is now a full-time writer and food consultant to various lifestyle and health magazines and has written more than sixty cookbooks. She specialises in healthy eating and her recent published books include 'Coconut water and coconut oil', 'Nut milks and nut butters' and 'Power blends and smoothies'

Chef Judson Todd Allen

Judson Todd Allen is CEO and executive chef of Healthy Infused Cuisine, LLC, a premium cuisine company that provides customized personal, private and event chef services. Clients include Steve Harvey, executives, and businesses including Walgreens. An alum of Next Food Network Star, Chef Judson is a food contributor for The Steve Harvey Show and Fox 32 in Chicago.

Chrissie Wellington

CHRISSIE WELLINGTON is the world-record holder for ironman-distance triathlon. She is a four-time Ironman Triathlon World Champion, having won the World Championship consecutively in 2007, 2008 and 2009 and regaining it in 2011. She remains undefeated over the Ironman distance.

Clare Mackintosh

With over 2 million copies of her books sold worldwide, number one Sunday Times bestseller Clare Mackintosh is the multi-award-winning author of I Let You Go, I See You and Let Me Lie. Clare's novels have been translated into over thirty-five languages and I Let You Go and I See You were selected for the Richard and Judy Book club. Clare is patron of the Silver Star Society, a charity based at the John Radcliffe hospital in Oxford, which supports parents experiencing high-risk or difficult pregnancies. She lives in North Wales with her husband and their three children. For more information visit Clare's website www.claremackintosh.com or find her at www.facebook.com/ClareMackWrites or on Twitter @ClareMackint0sh

Colleen Kelly Alexander

Colleen Kelly Alexander is a lifelong athlete and motivational speaker. With her indomitable spirit and amazing story of survival, Colleen teaches others how to aim higher, be stronger, and use adversity as a catalyst to make themselves and the world better. She was the executive director of the Common Ground Youth Center in Vermont for eight years, and a regional program manager for PeaceJam, where Nobel Peace Laureates mentor youth. She continues to volunteer for the organization. She has also worked for, volunteered for, and is heavily involved with the Red Cross. She lives in Clinton, CT with her husband and their two dogs and cat.

Danny Penman

Dr Danny Penman Ph.D. is the bestselling author of Mindfulness: A practical guide to finding peace in a frantic world, co-written with Professor Mark Williams of Oxford University, and co-author of Mindfulness for Health with Vidyamala Burch. He is a qualified mindfulness teacher who first learned to meditate when he was 16. He is also a feature and comment writer for the Daily Mail, having previously worked for the Independent and the BBC. Danny has hosted mindfulness seminars for directors and senior figures from many leading companies. He is a frequent commentator on mindfulness for the BBC and various national newspapers.

DAVID KAHN

David Kahn is one of America's leading experts in krav maga, and the only American to sit on the Israeli Krav Maga Association's Board of Directors, krav maga creator Imi Lichtenfeld's original organization. As the IKMA's United States Chief Instructor, David is committed to the proper expansion of the Israeli krav maga system worldwide.

Donald M. Vickery

Donald M. Vickery, MD, helped develop the first medical decision charts for non-doctors. Formerly the head of the nonprofit Self-Care Institute, he died in 2008. Fries and Vickery also coauthored, with Robert H. Pantell, Taking Care of Your Child.

Ellie Cannon

Dr Ellie is the current face of general practice. A young, vivacious, approachable doctor, she is best known for her weekly health column in the Mail on Sunday and her regular appearances on Sky News Sunrise. Ellie is the resident GP for the Mail on Sunday, Mailonline and Best magazine, a frequent contributor to the popular health site Netdoctor and is widely quoted in the popular media on health matters Dr Ellie is the on-screen GP for Sky News Sunrise appearing weekly and she is now the regular doctor on LBC's Tuesday evening Health Hour. She can also be seen and heard regularly commenting on health matters on ITV news, BBC news and Radio 2's Jeremy Vine Show. In 2017 she channelled her inner-geek appearing in a Celebrity Eggheads team of TV doctors!Dr Ellie read medicine at Cambridge University and then completed her clinical training at the Royal Free Hospital, London. She spent five years in hospital medicine, before embarking on a career in General Practice. Ellie combines her clinical and media work with her 'proper job' - being a mum to her two children.

Gwyneth Paltrow

Gwyneth Paltrow is an Oscar winner and author of the New York Times bestselling cookbooks It's All Easy, My Father's Daughter and It's All Good. She is founder of Goop, a lifestyle brand and website that covers food, fashion, fitness and travel. Paltrow is a mother, businesswoman and actress, who lives in Los Angeles.

Hollis Liebman

Hollis Lance Liebman has won national body building competitions, trained celebrities like Hugh Jackman and Jane Lynch, and worked as a fitness magazine editor and photographer. He has published twelve books on exercise and anatomy. He lives in Los Angeles, California.

James E. Groves

James E. Groves, MD, is a psychiatrist at Massachusetts General Hospital and Associate Professor of Psychiatry at Harvard Medical School. A psychotherapist for more than four decades, he practices psychotherapy, supervises psychiatry and psychology trainees, and offers tutorials in literature and psychiatry.

James F. Fries

James F. Fries, MD, is Professor of Medicine, Emeritus, at Stanford University. His work involves the study of health outcomes and how to improve them, prevention of disease by reduction in health risks, self-care techniques, and health economics. He has published over 300 scientific articles and 11 books.

Jenny Colgan

Jenny Colgan is the author of numerous bestselling novels, including The Little Shop of Happy Ever After and Summer at Little Beach Street Bakery, which are also published by Sphere. Meet Me at the Cupcake Café won the 2012 Melissa Nathan Award for Comedy Romance and was a Sunday Times Top Ten bestseller, as was Welcome to Rosie Hopkins' Sweetshop of Dreams, which won the RNA Romantic Novel of the Year Award 2013. For more about Jenny, visit her website and her Facebook page, or follow her on Twitter: @jennycolgan.

Joe Tatta

Joe Tatta is a licensed doctor of physical therapy, certified clinical nutritionist, and functional medicine practitioner with more than seventeen years of experience in the realm of health care. He received a Bachelor of Science in Physical Therapy from SUNY Health Science Center of New York, a Doctorate of Physical Therapy from Arcadia University, and Training in Nutrition and Functional Medicine from the University of Western States. Dr. Tatta's career has been devoted to helping people resolve pain and improve their vitality. In addition to being a licensed physical therapist, he is an Orthopedic Certified Specialist (OCS) through the American Board of Physical Therapy Specialists. He has taught seminars on back pain, diet, exercise, stress reduction, and other various wellness topics and trained hundreds of clinicians.

Jonno Proudfoot

JONNO PROUDFOOT is the CEO of Real Meal Revolution and bestselling author of The Real Meal Revolution, Super Food for Superchildren and The Real Meal Revolution 2.0, total sales of which exceed 400,000 copies. Jonno spent his early career as professional chef, cooking in top-rated restaurants. He then moved to marketing fine wine and managing big catering, while completing a degree in Accounting Sciences. A sport lover, Jonno loves competing in extreme triathlons, runs and swims. In 2014, he and his friend Thane Williams set a world record by swimming 459km from Mozambique to Madagascar, and in the process raised over a million rands for surgery for children born with cleft lips. One of the core concepts enshrined in Jonno's DNA is 'Always Improving' - the idea of continually setting new goals and achieving them. Jonno lives by this and has never been shy of a challenge. As founder and CEO of Real Meal Revolution, an online healthy eating support company, it is Jonno's goal to change the lives of more 100 million people by 28th February 2025.

Julie Montagu

Julie Montagu, The Flexi Foodie, is one of London's top yoga and nutrition teachers and was recently named as one of the Top 10 Holistic Health Icons in the world and one of Britain's most inspiring women. Julie is the author of three international best-selling books: Superfoods, Eat Real Food and Superfoods, Superfast. She has her own column called 'Small Moments of Self-Care' in the hugely popular Grazia magazine and is a regular contributor for Mind Body Green. Married with four children, Julie divides her time between London and the family estate at Mapperton.

Julie Rosenberg

Julie Rosenberg, MD, is a physician executive who leads global drug development programs. She has been involved in yoga and meditations training for nearly 14 years. Dr. Rosenberg teaches yoga primarily "beyond the mat," helping individuals and groups to apply the principles and practice of yoga to their daily lives and to support their growth as leaders.