Doctor Negoro was born in Tokyo and completed his doctorate at Tokyo University Graduate School of Medicine with a specialization in internal medicine. He has held positions as Associate Professor at the Harvard University Medical Faculty, the University of Paris Medical Faculty, and the French Institute of Health and Medical Research, as well as Board Member and Professor at the Graduate School of Project Design. Doctor Negoro is also an advisor to the Japanese Society of Anti-Aging Medicine, Board Member at the Society of Clinical Genomic Medicine, and Specialist in Internal Medicine at the Japanese Society of Internal Medicine. Doctor Negoro is also a Medical Advisor to the American Academy of Anti-Aging Medicine, Advisor on Japan at the American Academy of Sleep Medicine, and a member of both the Sleep Research Society and the Clocks Club of New England. Doctor Negoro has authored several best-selling books including Shintai Kakumei - Sekai Saisentan Anti-Aging Hosoku (The Body Revolution - World Leading Anti-Aging Techniques) Netteiru Uchi ni Byoki ni Naranai Karada wo Tsukuru Hon (Building Defense Against Sickness While You Sleep), both published by KADOKAWA MAGAZINES, as well as Fukenai, Futoranai, Byoki ni Naranai 24 Jikan no Sugoshikata (How to Live Each Day Without Aging, Gaining Weight, or Getting Sick), published by Getonsha, Kenko ha Jikan de Kimaru (Health is Determined by Time) published by Kanki Publishing, and Horumon wo Ikaseba, Issho Roka Shinai (Using Your Hormones So That You Never Age), published by PHP Institute.