Education
He is currently manager for Hertha Bachelor of Science U19.
He is currently manager for Hertha Bachelor of Science U19.
Hartmann made his debut for the Germany national football team on 30 April 2003 in a friendly against Serbia and Montenegro. He played in two Union of European Football Associations Euro 2004 qualifiers, but was not selected for the final tournament squad. After three years as head coach of the under-19 team for F.C. Hansa Rostock he was named on 10 June 2010 as assistant coach of the first team