Related to: 'Black Sheep: The Hidden Benefits of Being Bad'

Ali Almossawi

Ali Almossawi works on the Firefox team at Mozilla and is an alumnus of MIT's Engineering Systems Division (MS) and Carnegie Mellon's School of Computer Science (MS). Previous stints included working as a research associate at Harvard and as a collaborator at the MIT Media Lab. His writing has appeared in Wired and Scientific American.

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 Robson

David Robson has worked as an editor at New Scientist and BBC Future, where he specializes in topics related to neuroscience and psychology. His writing has also appeared in Nature, the Observer and the Washington Post. He lives in London.

Gary John Bishop

Born and raised in Glasgow, Gary John Bishop moved to the US in 1997. This opened up his pathway to the world of personal development, specifically to ontology and phenomenology in which he was rigorously trained for a number of years before becoming a senior programme director with one of the world's leading personal development companies. His lifelong commitment to shifting people's ability to exert real change in their lives drives him each and every day. He has a no-frills approach that has brought him an ever increasing following, drawn to the simplicity and real-world use of his work. He lives in Florida with his wife and three sons.

Geoff Colvin

Geoff Colvin is Fortune's senior editor-at-large and is also the author of Talent is Overrated and The Upside of the Downturn. He has served as moderator of the Fortune Global Forum, where he has interviewed Bill Gates, Jack Welch, Herb Kelleher, Peter Drucker and other business legends. Colvin graduated Harvard cum-laude with a B.A. in Economics, and received his MBA from New York University's Stern School.

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

Hazel Gale

Hazel Gale is a master practitioner of cognitive hypnotherapy, author and ex-athlete. Having competed internationally as a kickboxer and boxer, achieving World and National titles in the two sports respectively, she's well-versed in both the drive to succeed and the anxiety that can so often come hand-in-hand with that. In her practice and in her writing, Hazel aims to help others emerge victorious from their own battles, whatever they may be. Fight is Hazel's first book. It explores the psychology of self-sabotage while taking you on her journey, and offers a practical guide to reclaiming your self-control.

Martin Seligman

Martin Seligman PhD, Professor of Psychology at the University of Pennsylvania and Director of the Positive Psychology Network, gave the Centennial address to the British Psychological Society in 2002 and is an Honorary Professor at the University of Cardiff. A former President of the American Psychological Association, he has written over 20 books including the bestselling Learned Optimism and Authentic Happiness and in 2009 was awarded the British Academy's Wiley Prize in Psychology. He is widely considered the pre-eminent expert on applied psychology in the world.

Mary Lynch Barbera

Mary Lynch Barbera,Ph.D., RN, BCBA-D, is a Registered Nurse and a doctoral level Board Certified Behavior Analyst. From 2003-2010, she was the lead Behavior Analyst for the Pennsylvania Verbal Behavior Project studying the effect of Verbal Behavior Techniques in classrooms throughout the State of Pennsylvania. Barbera was the founding President of the Autism Society of America's Berks County Chapter, has worked with hundreds of children on the autism spectrum, and has extensive experience training a variety of professionals. She is the mother of a son with autism. Tracy Rasmussen is an award-winning journalist of over 25 years with a specialty in medical reporting. She has been a frequent speaker for the National Alliance for the Mentally Ill on issues of mental health.

Matthew Syed

Matthew Syed is a leading columnist and feature writer for The Times and the host of the UK's biggest podcast: Flintoff, Savage and the Ping Pong Guy on BBC Radio 5. Matthew also gives business talks to major international corporate clients including. Before becoming a writer Matthew was the England table tennis number one for almost a decade, three times Commonwealth Champion, and he twice represented Great Britain in the Olympic Games.Matthew Syed's first book, Bounce: The Myth of Talent and the Power of Practice, was shortlisted for the William Hill Sports Book of the Year. His second, Black Box Thinking, was a Sunday Times No.1 bestseller. He has also published a collection of his award-winning sports columns in The Greatest.

Mike Lewis

Mike Lewis founded When to Jump after quitting his job at a pristine investment firm, to pursue his dream of becoming a professional squash player. He has curated a community of like-minded people who have done the same, to share their stories and inspire others to take the jump.

Nick Dubin

Nick Dubin was diagnosed with Asperger's Syndrome in 2004. He holds a Bachelor's Degree in Communications from Oakland University, a Master's Degree in Learning Disabilities from the University of Detroit Mercy, and a Specialist Degree in Psychology and Psy.D. from the Michigan School of Professional Psychology. He has authored many books on autism spectrum disorders including 'Asperger Syndrome and Anxiety', also published by Jessica Kingsley Publishers. Nick lives in a suburb of Detroit, Michigan.

Ranulph Fiennes

Sir Ranulph Fiennes was the first man to reach both poles by surface travel and the first to cross the Antarctic Continent unsupported. In the 1960s he was removed from the SAS Regiment for misuse of explosives but, joining the army of the Sultan of Oman, received that country's Bravery Medal on active service in 1971. He is the only person yet to have been awarded two clasps to the Polar medal for both Antarctic and the Arctic regions. Fiennes has led over 30 expeditions including the first polar circumnavigation of the Earth, and in 2003 he ran seven marathons in seven days on seven continents in aid of the British Heart Foundation.In 1993 Her Majesty the Queen awarded Fiennes the Order of the British Empire (OBE) because, on the way to breaking records, he has raised over £14 million for charity. He was named Best Sportsman in the 2007 ITV Great Briton Awards and in 2009 he became the oldest Briton to reach the summit of Everest.

Richard E. Nisbett

Richard E. Nisbett, Ph.D., has taught psychology at Yale University and the University of Michigan, where he is the Theodore M. Newcomb Distinguished University Professor. He received the Distinguished Scientific Contribution Award of the American Psychological Association, the William James Fellow Award, and a Guggenheim Fellowship and in 2002 became the first social psychologist elected to the National Academy of Sciences in a generation. The co-author of Culture of Honor and numerous other books and articles, he lives in Ann Arbor, Michigan.

Rob Moore

Rob Moore is a self made property investor, businessman, entrepreneur, best-selling author, world record holder, speaker, pilot & proud dad, who co-owns 7 companies in property, lettings & finance.Rob has partnered with many of the biggest business and household names, featured in prime time TV shows for Living as a business mentor, on Channel 4, the BBC, The Independent and The Business Channel, as well as mentoring success-hungry people who want to achieve more money & recognition in business & life.

Rob Yeung

Dr Rob Yeung is a chartered psychologist and author of over a dozen books including the bestseller Confidence (for Pearson's Prentice Hall imprint) and two books for Capstone; How To Win and How To Stand Out.Since gaining his PhD in 1996, Rob has been working as an organisational psychologist and a director at Talentspace leadership consulting, helping individuals and organisations to improve their effectiveness. His clients include organisations ranging from HSBC, KPMG and British Airways to SMEs. Much of his coaching and training work centres around the beliefs that people have about themselves. Rob has a huge database of fascinating research which he has curated, and hence backs up everything he recommends with examples based on studies conducted by the top scientists, psychologists, neuroscientists and economists in the world.

Ruby Wax

Ruby Wax is a comedian, writer, performer and mental health campaigner. She has suffered bouts of depression throughout her life and completed her Masters in Mindfulness-based Cognitive therapy at Oxford in 2012.

Siri Hustvedt

Siri Hustvedt's first novel, The Blindfold, was published by Sceptre in 1993. Since then she has published The Enchantment of Lily Dahl, What I Loved, The Sorrows of an American, The Summer Without Men and The Blazing World, which was longlisted for the Man Booker Prize in 2014 and won the Los Angeles Times Book Prize for Fiction. She is also the author of the poetry collection Reading To You, and four collections of essays -Yonder, Mysteries of the Rectangle: Essays on Painting, A Plea for Eros and Living, Thinking, Looking, as well as the memoir The Shaking Woman or A History of My Nerves. Born in Minnesota, Siri Hustvedt now lives in Brooklyn, New York. She has a PhD in English from Columbia University and in 2012 was awarded the International Gabarron Prize for Thought and Humanities. She delivered the Schelling Lecture in Aesthetics in Munich in 2010, the Freud Lecture in Vienna in 2011 and the opening keynote at the conference to mark Kierkegaard's 200th anniversary in Copenhagen in 2013, while her latest honorary doctorate is from the University of Gutenburg in Germany. She is also Lecturer in Psychiatry at Weill Cornell Medical College and has written on art for the New York Times, the Daily Telegraph and several exhibition catalogues.

Sophie Hannah

Sophie Hannah is an internationally bestselling crime fiction writer, translated into 34 languages and published in 51 countries. Her psychological thriller The Carrier won the Specsavers National Book Award for Crime Thriller of the Year in 2013. Sophie has written the first new Hercule Poirot mysteries since Agatha Christie's death, which have been national and international bestsellers. The Point of Rescue and The Other Half Lives have been adapted for television as Case Sensitive, starring Olivia Williams and Darren Boyd. Sophie is also a bestselling poet who has been shortlisted for the TS Eliot award. Her poetry is studied at GCSE and A-level throughout the UK. Sophie is an Honorary Fellow of Lucy Cavendish College, Cambridge. She lives in Cambridge with her husband, two children and dog.

Steven Johnson

Steven Johnson is the bestselling author of ten books, including Wonderland, How We Got to Now, Where Good Ideas Come From, The Invention of Air, The Ghost Map and Everything Bad Is Good for You. The founder of a variety of influential websites, he is the host and co-creator of the PBS and BBC series How We Got to Now. Johnson lives in Marin County, California, and Brooklyn, New York, with his wife and three sons.StevenBerlinJohnson.com@StevenBJohnson