Background
Nielsen was born and raised in Belle Plaine, Iowa. His father started him in golf as a youngster on the sand green courses in and around his hometown.
Nielsen was born and raised in Belle Plaine, Iowa. His father started him in golf as a youngster on the sand green courses in and around his hometown.
He attended the University of Iowa, where earned a Bachelor of Business Administration degree in 1976.
In 2009, Nielsen became the first tour professional to serve as a lead contributor to the GIVE (Golf Foreign Injured Veterans Everywhere) Foundation. Nielsen was inducted into the Iowa Golf Hall of Fame in 2010. Regular career wins (34) 1979 Waterloo Open Golf Classic Champions Tour wins (2) Other senior wins (2).
1979 Waterloo Open Golf Classic 1984 Western New York Professional Golf Association Match Play Championship 1985 New York State Open, Western New York Section Professional Golf Association Championship 1986 Western New York Professional Golf Association Match Play Championship, Western New York Section Professional Golf Association Championship 1987 Western New York Section Professional Golf Association Championship 1988 Professional Golf Association Match Play Championship, Professional Golf Association Stroke Play Championship 1989 New York State Open, Western New York Open, Western New York Section Professional Golf Association Championship, Professional Golf Association Match Play Championship 1990 Western New York Open, Western New York Professional Golf Association Match Play Championship, Western New York Section Professional Golf Association Championship 1991 Western New York Professional Golf Association Match Play Championship 1993 Western New York Professional Golf Association Match Play Championship, Western New York Open, Western New York Section Professional Golf Association Championship 1994 Western New York Professional Golf Association Match Play Championship, Western New York Section Professional Golf Association Championship 1995 Western New York Open 1996 Western New York Section Professional Golf Association Championship 1997 Western New York Open 1998 Western New York Open, Western New York Professional Golf Association Match Play Championship 1999 Western New York Professional Golf Association Match Play Championship 2000 Western New York Section Professional Golf Association Championship 2001 Western New York Professional Golf Association Match Play Championship 2002 Western New York Professional Golf Association Match Play Championship, Western New York Open 2003 Western New York Open 2013 Western New York Section Professional Golf Association Championship, Western New York Professional Golf Association Match Play Championship Champions Tour playoff record (0–1) 2003 Otesago Senior Open Championship, Turning Stone Seniors Championship.
Nielsen became a member of the Champions Tour upon reaching the age of 50 in the summer of 2003.