Outside of the World Cup season, he trained at the Jyväskylä Ski Club in Finland. He competed in his first ski jumping competitions in 1985, but went to a state school until 1992. During his school days he worked in the afternoons at an Intersport , his current sponsor , in his hometown, where he still sometimes works today.
Risto Jussilainen won silver with the team from the normal hill and the large hill at the 2001 World Championships in Lahti, silver with the team at the 2002 Winter Olympics in Salt Lake City and silver with the team from the large hill at the 2005 World Cup . In the 2000/01 season he was third in the overall World Cup and in the Ski Flying World Cup, and by February 2006 he won two World Cups.
On November 23, 2007, shortly before the start of the new season, Jussilainen announced his retirement from active competitive sport due to poor training results in the summer.