Dr Darren Player (Author)
Dr Darren J. Player is a scientist and an academic. He studied personal training, exercise referral and sports science before completing his PhD in muscle cellular and molecular physiology. Dr Player has also undertaken professional qualifications in nutritional coaching and sports massage. He is an external examiner for a UK Sport Science degree and personal training qualifications. Combining his scientific background and professional qualifications, he has a unique view of health, fitness and exercise. A published author, he has contributed chapters in two scientific textbooks and has published numerous articles in prestigious scientific journals. Dr Player has also been invited to speak at scientific conferences and acclaimed academic and medical institutions, including AIIMS, IIT Delhi and the University of Washington. As a teenager, he was a competitive 200-metre and 400-metre runner. Now he just trains for health and well-being.

Dr. Rajat Chauhan (Author)
Dr Rajat Chauhan is a student of running (for the past thirty-seven years) and pain. He is also an aggressive promoter of GOYA (Get Off Your Arse). He is the founder and race director of La Ultra, an epic ultramarathon held in Ladakh since 2010. The ultramarathon features categories ranging from 11 km to 555 km, with altitudes varying from 11,000 feet to 17,400 feet. He is the author of Move: Get Fit in 15 Weeks and La Ultra: cOuch to 5, 11 & 22 km in 100 days. Dr Chauhan has been a columnist for Mint and Hindustan Times, besides being a guest columnist for national newspapers and magazines. He is a senior fellow at Livonics Institute of Integrated Learning and Research.
Dr Chauhan got his MBBS degree from Manipal College of Medical Sciences, Pokhara, Nepal. Because of his running, he had a head start of more than nine years over his medical college peers in knowing how the human body and mind work in synchronization to perform at an optimal level, one baby step at a time. Dr Chauhan went on to marry his passion and profession by doing his MSc in sports-exercise medicine from Queen's Medical Centre, Nottingham, UK. This was followed by membership of the London College of Osteopathic Medicine, London, UK, and several other certificates and diplomas, which give him a unique approach to human performance.
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