加藤大治郎
He was second in the 250cc European Championship in 1994, before moving on to the 250cc World Championship. He achieved a top ten finish in the points standings every year he competed. In 2000 he had a season-long battle for the championship with Tech3 teammate Shinya Nakano and Daijiro Kato, ultimately winning the 250cc Motorcycle World Champion on a Yamaha YZR250.