he competed in the 1992 summer paralympics in barcelona, spain. there he won a gold medal in the men's pentathlon - b2 event, a bronze medal in the men's 100 metres - b2 event and finished fourth in the men's javelin throw - b2 event. he also competed at the 1996 summer paralympics in atlanta, united states. there he won a gold medal in the men's pentathlon - p11 event, a gold medal in the men's javelin throw - f11 event, a silver medal in the men's 100 metres - t11 event and finished eighth in the men's long jump - f11 event. he also competed at the 2000 summer paralympics in sydney, australia. there he won a gold medal in the men's pentathlon - p12 event and a gold medal in the men's javelin throw - f12 event. he also competed in the 2004 summer paralympics in athens, greece. there he won a silver medal in the men's javelin throw - f12 event and did not finish in the men's pentathlon - p13 event. he also competed at the 2008 summer paralympics in beijing, china. there he won a bronze medal in the men's javelin throw - f11-12 event.