Willi Sten Railo (22 March 1941 â 8 July 2010) was a Norwegian sport psychologist and professor of performance psychology.
He became known nationally for his 1986 book Best nÃÂ¥r det gjelder ("Best When it Counts"). Since the 1980s, he worked as a consultant for Swedish football manager Sven-Göran Eriksson, and continued in this position also during the latter's stint as manager for the England national team. He also worked with the Norwegian football club VÃÂ¥lerenga in 2005, when the club won the Norwegian Premier League. In the Norwegian Athletics Association he was a member of the medical committee in 1978 and 1980.