He won a bronze medal at the 1991 World Junior Curling Championships, which he was named 1991 USCA Male Athlete of the Year for, and finished fifth in 1992.

With his new team, he participated in the 2005 United States Olympic Curling Trials, finishing fifth.

Fenson, under Farbelow, then attempted to qualify for the nationals in 2011, but did not advance past the Challenge Round.

Fenson graduated from Bemidji State University with a bachelor's degree in business administration.

His brother, Pete Fenson, is a curler known for winning the bronze medal at the 2006 Winter Olympics.