1998 Risatti began his motorsport career in karting and moved in 2001 to the B- class of the South American Formula 3 Meistetrschaft in which he was active for two years and in 2002, was fourth. In 2003, Argentina to Europe in the Spanish Formula 3 Championship and finished eleventh in the standings. 2004 remained Risatti in this series and improved to fifth overall. In the 2005 season Risatti went for Racing Engineering to the start and was charged with four wins third in the overall standings. 2006 Risatti denied his fourth season in the Spanish Formula 3 Championship. For the TEC team starting the Argentines won five races and won the championship.
In February 2007, BCN Competición announced that they have Risatti committed for the 2007 GP2 Series season. After Risatti had already participated in testing the GP2 Series for the team, he lost his cockpit shortly before the season started because he could not raise the necessary sponsorship. Then Risatti got a cockpit at GD Racing in the World Series by Renault. Risatti played a total of nine races in the World Series by Renault, but it did not succeed to score points. After Trident Racing driver Pastor Maldonado had broken his collarbone, Risatti 2007 still came but to his debut in the GP2 series. The Argentine played three race weekends, and went on to score a point. During the sprint race at Spa- Francorchamps, Risatti came into the public spotlight: Before the race started, Risatti collided on the way to the starting grid with the overall leader Timo Glock and was punished with a fine of 10,000 euros afterwards. For the last race weekend Risatti was replaced by Sergio Hernández.
2008 Risatti drove in the Argentine TC2000, a touring car series in which he finished in 14th place overall, and in the Argentine Top Race V6, in which he finished in 33rd place overall. He also took part in a race in the GT1 class of the FIA GT Championship and finished 20th in the overall standings. In the following two years Risatti denied ever a race in Argentina's TC2000. He also competed in the Argentine Turismo Carretera. After 2009 the 34th overall occupied, he finished the 2010 season at the 28th place overall. In addition, he took part in several races of the 2010 Argentine TN and was with a win 20 in the third grade.