Ron GroenewoudRon Groenewoud is a former Dutch footballer and football manager.Playing careerDuring his football career, he played as a defender for Velocitas 1897 from Groningen.Managerial careerAfter his playing career, he was assistant coach at Sparta for three years, under head coaches Denis Neville and Bill Thompson. Afterwards, he managed Holland Sport, Heerenveen, FC Groningen and various teams of the Royal Dutch Football Association, including the women's national team. He also coached the men's national futsal team, achieving second place at the 1989 World Championship and qualification for the 1992 World Championship, 1996 UEFA Championship and 1996 World Championship. He retired in 1997.