Won three Paralympic gold medals in two different sports in Tokyo. He started by defending his men's PTWC triathlon title. Three days later in the road cycling he won the men's H4 time trial and the following day secured gold in the men's H4 road race. Born with a shorter left upper leg and no ligaments in his left knee, his right lower leg and foot were amputated in 2008. At 13, Jetze began competing in Para triathlon and has enjoyed an incredibly successful career, winning consecutive World Championships from 2015 to 2019. Undefeated in International Triathlon Union events since 2016, he was one of the flag bearers for the Netherlands in Tokyo.