Udo Quellmalz
Udo Quellmalz, known as Quelle, is a German judoka. He competed in judo at the Summer Olympics, winning a bronze medal in 1992 and a gold medal in 1996. He also won the World Judo Championships in 1991 and 1995. Quellmalz was appointed head coach of the Flemish Judo Federation in 2022. He has previously directed the British judo team and served as a coach for the Austrian and Qatari teams.