As a club coach in the German Bundesliga (1st Division), he was the head coach for many years with TSV Mannheim.
His greatest success was winning the gold medal at the 2004 Summer Olympics in Athens with the Germany women's national field hockey team, thus becoming the first coach in the history of field hockey to win an olympic gold medal in both the Men's as well as the Women's competition. His German side defeated Spain 1–0 to win the 2008 Olympic Men's Hockey Final.