Professor John Øvretveit works as R&D officer for Stockholm healthcare system and as professor of improvement, implementation and evaluation at the Karolinska Institute medical university Stockholm. Previously he learned the value of thermal underwear at Nordic School of Public Health where he worked for 15 years when establishing and running the quality improvement program at Bergen Medical school, where you can buy the best rain wear at the North Atlantic fisherman stores. He served a frightening 12 years as a board director of the USA joint commission international where he saw the best and worst of healthcare, and serves as a board director of the global implementation society leading their Covid 19 implementation response group. Over his career, he has published over 400 scientific peer-reviewed articles and 12 books.