Related to: 'Even the Stiffest People Can Do the Splits'

Calgary Avansino

Calgary Avansino is a journalist and healthy living advocate. Born in California, Calgary now lives and works in London and writes a wellness column for Vogue, where she is a contributing editor. She also writes a healthy living column for The Sunday Times Style magazine. A mum of three, Calgary has a big social media following and is well-known for being at the cutting edge of health, well-being and lifestyle trends. Her own website, www.calgaryavansino.com has become a mecca for anyone interested in reading about and learning about enhancing their health.

David Mitchell

Born in 1969, David Mitchell grew up in Worcestershire. After graduating from Kent University, he taught English in Japan, where he wrote his first novel, Ghostwritten. Published in 1999, it was awarded the Mail on Sunday John Llewellyn Rhys Prize and shortlisted for the Guardian First Book Award. His second novel, number9dream, was shortlisted for the Booker Prize and the James Tait Black Memorial Prize, and in 2003, David Mitchell was selected as one of Granta's Best of Young British Novelists. His third novel, Cloud Atlas, was shortlisted for six awards including the Man Booker Prize, and adapted for film in 2012. It was followed by Black Swan Green, shortlisted for the Costa Novel of the Year Award, and The Thousand Autumns of Jacob de Zoet, which was a No. 1 Sunday Times bestseller. Both were also longlisted for the Booker. In 2013, The Reason I Jump: One Boy's Voice From the Silence of Autism by Naoki Higashida was published in a translation from the Japanese by David Mitchell and KA Yoshida. It was an immediate bestseller in the UK and later in the US as well.

David Perlmutter

Dr David Perlmutter is president of the Perlmutter Health Centre in Naples, Florida, and the co-founder and president of The Perlmutter Brain Foundation. He is the recipient of numerous awards, including the Humanitarian of the Year Award from the American College of Nutrition and the Linus Pauling Award. A frequent lecturer, he writes a blog at VanguardNeurologist.com and is a contributor to The Huffington Post. His previous books include Grain Brain and The Grain Brain Cookbook.

Dermot O'connor

Dermot O'Connor is a leading practitioner of Traditional Chinese Medicine and is the resident expert on the Sunday Times-associated website www.whatreallyworks.co.uk. Dermot writes and lectures internationally on health recovery and is European Director of the International Institute of Medical Qigong. He appears regularly in the press and on TV.

Donald Robertson

Donald Robertson is a cognitive-behavioural psychotherapist, trainer and author who specialises in the treatment of anxiety and the use of CBT. He is the author of six books and many articles on philosophy, psychotherapy and psychological skills training.

Dr Alvaro Campillo Soto

Dr Álvaro Campillo Soto holds a European Doctorate in medicine and surgery and specializes in general and digestive surgery at the Morales Meseguer Hospital in Murcia, Spain. Dr Campillo's interest in obesity relates primarily to his work as part of the "European Obesity Academy" a two year European project (2008-2010) set up by the Karolinska Institute in Stockholm (which awards the Nobel prizes). Dr Campillo received an honourable mention in the Barea awards and the Pfizer prize for Clinical excellence. After coming across a TV programme which he felt, following his own experience of the Dukan Diet, lacked scientific rigour and was untruthful in its examination of the diet, Dr Camillo felt he must act to forward a real and honest point of view about the current state of scientific knowledge on ketogenic diets and the Dukan diet. The Truth About Dukan had been published in Spain, France and beyond.

Dr Pierre Dukan

Dr Pierre Dukan has been a medical doctor specializing in nutrition since 1973. The author of many works on diet and nutrition, including the bestselling The Dukan Diet, he regularly writes in the press and appears on television.

Eiko

Eiko, aka queen of the splits, is a yoga teacher and former aerobics instructor from Osaka, Japan. Her yoga techniques are famed for their health benefits and have helped a huge number of people become more strong and flexible. Eiko's video demonstrating how to do the splits went viral on Twitter and Facebook, and has been viewed 6 million times on YouTube. Even her yoga students who are in their 70s can do the splits with ease.

Fajah Lourens

Fajah Lourens is a Dutch DJ, actress and No. 1 bestselling author. With her website and social media platforms 'MyKillerBodyMotivation', she has become a figurehead in the field of sports and nutrition.Share your results and experiences with Fajah: #mkbm #killerbodydieet/mykillerbodymotivation@mykillerbodymotivation

Gordon Ramsay

Scottish by birth, Gordon was brought up in Stratford-upon-Avon, England. With an injury prematurely putting an end to any hopes of a promising career in football, he went back to college to complete a course in hotel management and his dedication and natural talent led him to train with some of world's leading chefs.In 1993 Gordon became chef of Aubergine in London and within three years was awarded two Michelin stars. In 1998, at the age of 31, Gordon set up his own restaurant, Restaurant Gordon Ramsay, which quickly received the most prestigious accolade in the culinary world - three Michelin stars. One of only four chefs in the UK to maintain three stars, Gordon was awarded an OBE in 2006 for services to the industry.Now internationally renowned, Gordon has opened a string of successful restaurants across the globe, from Italy to LA. 2011 has proved to be another exciting year and saw the opening of Bread Street Kitchen in London's City district, as well as a venture across the pond in Montreal, Canada.Gordon has become a star of the small screen both in the UK and internationally, with two top rated shows in the US. Ramsay's Kitchen Nightmares and Hell's Kitchen are both into their third and ninth series respectively, whilst his latest show, Masterchef US, is now in its second series and is proving to be another massive hit with viewers. Gordon has also published a number of books, many of which have become best sellers across the world, notably his autobiography, Roasting in Hell's Kitchen.Gordon lives with his wife and four children in South London, along with their two bulldogs Rumpole and Romeo.

Gretchen Rubin

Gretchen Rubin is one of the most influential writers on the linked subjects of habits, happiness, and human nature. She's the author of many books, including the New York Times bestsellers, Better Than Before and The Happiness Project. A member of Oprah's SuperSoul 100, Rubin has an enormous following, in print and online; her books have sold more than 2 million copies worldwide, in more than 35 languages; and on her popular daily blog, gretchenrubin.com, she reports on her adventures in pursuit of habits and happiness. She also has an award-winning podcast, Happier with Gretchen Rubin. She lives in New York City with her husband and two daughters.gretchenrubin.com twitter | facebook | instagram

Harry Judd

Harry Judd is a member of the hugely successful bands McFly and McBusted who have headlined Hyde Park, notched up 19 hit singles - of which 7 went to number one - and 2 number one albums. He is a much-loved former Strictly Come Dancing champion.

Hazel Wallace

Dr Hazel Wallace is the girl behind The Food Medic, a blog she set up in 2013 as a platform to show people that eating healthy and staying fit can be enjoyable, uncomplicated and easy to incorporate into an everyday busy lifestyle.Hazel is a UK based health and fitness blogger, social media influencer, qualified personal trainer and Junior Doctor. She graduated in 2012 with a first class degree in Medical Sciences, going on to gain a graduate degree in Medicine (MBBCH) in 2016. She now works as a Junior Doctor in London and The Food Medic is her first book.@thefoodmedicwww.hazelwallace.co.uk

Joe Cross

Joe Cross' personal story of transformation was chronicled in the documentary Fat, Sick & Nearly Dead, which has been seen by more than 20 million people worldwide. The incredible response to screenings of the film inspired Joe to create Reboot with Joe, making the tools, information and support available to enable anyone to reclaim their wellbeing. His second film Fat, Sick & Nearly Dead 2 charts the next stage of Joe's journey of health. He is the author of The Reboot with Joe Juice Diet and The Reboot with Joe Juice Diet Recipe Book, and spends time between Australia and the US, always with a juice in hand.

Joyce Meyer

Joyce Meyer is the bestselling author of more than 100 inspirational books, including The Power of Simple Prayer, Approval Addiction, Power Thoughts and Battlefield of the Mind. Joyce's 'Enjoying Everyday Life' radio and television programmes are broadcast around the world, and she travels extensively conducting conferences.

L R Fredericks

L. R. Fredericks lives in London. Her first novel FARUNDELL, was shortlisted for the Authors' Club First Novel Award and, along with FATE, is available from John Murray.

Lorna Byrne

Lorna Byrne has been seeing and talking to angels since she was a baby. Now that her family is raised she talks openly about what she has learned. She lives quietly in rural Ireland. She is the author of the international bestsellers Angels in My Hair, Stairways to Heaven, A Message of Hope from the Angels and Love From Heaven. Her books have been translated into over twenty languages. For more information, visit www.lornabyrne.com or follow Lorna on Facebook at http://www.facebook.com/lornabyrneangels

Margot Campbell

Margot Campbell runs her popular Pilates on the go... studio in West London. Working with people of all ages and shapes, Margot has adapted her methods to help her clientsachieve their goals, whatever their schedule.

Mark Hyman

Mark Hyman, MD, is the director of the Cleveland Clinic Center for Functional Medicine, and founder and director of The Ultra-Wellness Center. He is the bestselling author of numerous books, including Eat Fat, Get Thin, The Blood Sugar Solution 10-Day Detox Diet, and The Blood Sugar Solution.

Martin Faulks

Martin Faulks is a martial arts champion and Mystical adventurer. He has a black belt in Japanese Ninjutsu (Bujinkan Budo Taijutsu) and the Korean martial art, Kuk Sool Won and is proficient in the spiritual disciplines of China, including Tai Chi, Qi Gong and the legendary form of Yi Jin Jing.He is a three time national martial arts champion* and a regional fencing champion. Martin has travelled extensively and trained with some of the world's most skilled martial arts masters, including such famous masters as Bo ou Mander, Grand Master Masaaki Hatsumi, Noguchi Sensei, Stephen Hayes and Michael Pearce. He won gold medals at the (Kuk Sool Won) National Korean Martial Arts Association tournament 1993, 1994, and 1995. For Martin the Ninja arts are about secret knowledge. Knowledge that can lead to enlightenment and can allow you to aid your fellow man, through which he feels he gains a complete and balanced view of the spiritual mysteries. His previous works include:Gateways to Health: Secrets of Rejuvenation andButterfly Tai Chi: Health, Energy and Tranquility in 10 Minutes a Day