Matthias Sammer is a German former professional football player and coach who last worked as sporting director of Bayern Munich. He played as a defensive midfielder and later in his career as a Center Back.

With Borussia Dortmund as a player, Sammer won the Bundesliga and DFL-Supercup in 1995, the Bundesliga, DFL-Supercup, and European Footballer of the Year in 1996, and the UEFA Champions League and Intercontinental Cup in 1997. With Germany as a player, Sammer won the UEFA Euro 1996, where he was named the tournament's best player, and was subsequently awarded the Ballon d'Or later that year. Sammer retired with 74 total caps, 23 for East Germany and 51 for the unified side.

With Sammer as a manager, Borussia Dortmund won the Bundesliga in 2002.