Career
He competed in four Olympic Games. In March 2016, Ustorf was inducted into the German ice hockey Hall of Fame. Ustorf came through the youth ranks of ESV Kaufbeuren and made his debut in the German top-tier during the 1991-1992 season.
He played briefly in the National Hockey League (National Hockey League) with the Washington Capitals following his selection in the 1992 National Hockey League Entry Draft.
He made a total of 59 National Hockey League appearances. After a few years in the minors, with stints in the AHL and IHL, he returned to play hockey in Germany.
Ustorf played for DEL teams Adler Mannheim, Krefeld Pinguine and then spent eight years with Eisbären Berlin, winning six German championships. During the 2011-2012 season, his 21st professional season and second year as captain of Eisbären Berlin, he suffered a season ending concussion after 23 games.
Whilst still suffering from post-concussion symptoms 14 months later, and other non-related injuries, Ustorf announced his retirement at the tail end of the 2012-2013 season on March 7, 2013.
Ustorf earned 128 caps for the German national team, competed in four Olympic Games (1994, 1998, 2002, 2006), six World Championships and the 1996 World Cup of Hockey. On May 10, 2014, he was named Director of Sport at Eisbären Berlin.