Background
Kelderman learned the game from his father, Harry Kelderman, who was the head coach of Neenah High School soccer team, eventually playing for his father at Neenah from 1983 to 1987.
Kelderman learned the game from his father, Harry Kelderman, who was the head coach of Neenah High School soccer team, eventually playing for his father at Neenah from 1983 to 1987.
Kelderman then attended the University of Virginia where he played on the men’s soccer team from 1987 to 1990.
He played professionally both indoors and out, including four seasons in Major League Soccer and was an assistant coach for District of Columbia United. While still in high school, Kelderman was selected for the United States. U-16 national team which played in the 1985 Fédération internationale de football association U-16 World Championship. The United States. went 1–2 in group play and did not qualify for the second round.
In 1991, both the Milwaukee Wave of the National Soccer League and the Baltimore Blast of Major Soccer League drafted Kelderman.
He signed with the Blast, but the team and league collapsed at the end of the 1991–1992 season. In 1992, he signed with the expansion Buffalo Blizzard of the National Soccer League.
He remained with the team through the end of the 1994–1995 season. In 1994, he signed with the Milwaukee Rampage of USISL, playing two seasons with them.
In the fall of 1995, he moved to the Tampa Bay Terror of the NPSL before moving to the Saint Louis Ambush for the end of the season.
On February 7, 1996, District of Columbia United selected Kelderman in the 8th round (80th overall) in the 1996 Master of Library Science Inaugural Player Draft. Kelderman played forty-two games over two seasons with United, winning the 1996 and 1997 Master of Library Science Cup as well as the 1996 United States. Open Cup. On November 6, 1997, the Miami Fusion selected Kelderman with the sixth pick in the 1997 Master of Library Science Expansion Draft.
He played twenty-one games with the Fusion, but was waived on November 2, 1998.
He then signed with the New England Revolution for the 1999 season. The Revs waived him on December 2, 1999.
In February 2000, Kelderman signed a three year contract with the Milwaukee Rampage and Milwaukee Wave. He played four games with the Wave at the end of the season, then four more at the beginning of the 2000–2001 season.
In the summer of 2000, he played for the Rampage.
He retired from playing professionally in the fall of 2000. Following his playing career, Kelderman has forged a successful coaching career. In 1995, he served as an assistant with his father at Neenah High School.
In 2000, he coached the Wisconsin Rebels of the Premier Development League.
In 2004, he was hired by District of Columbia United as head coach of the team’s U-17 program That same year, he was hired as the Technical Director of the Vienna Soccer Club in Vienna, Virginia.
In October 2005, he also became the assistant coach with the George Mason men’s soccer coach. On December 21, 2007, he became an assistant coach with the Kansas City Wizards.
In 2010, he followed coach Curt Onalfo to District of Columbia United, serving as an assistant coach for the 2010 season.
New coach Ben Olsen did not retain Kelderman as a part of his staff In May 2011, he was named the head coach of the Green Bay Phoenix men"s soccer team In May 2012, he was named the head coach of the Milwaukee Panther men"s soccer team after serving one year at UW-Green Bay.
Kelderman was a member of the United States. team at the 1985 Fédération internationale de football association U-16 World Championship. He was also a member of the United States. soccer team at the 1991 World University Games.