2006-to date

Head Coach, TC Radolfzell (German women team champion 2010, 2011)

Players: Kerber, Bammer, Malek, Kucova

 

2011

Climber to 1. Bundesliga men team

Players: Berlocq, Schüttler, Knittel, Rieschick

 

1996-2000

ATP Tour-level full-time coach of Andrei Merinov

 

1999

WTA Tour-level part-time coach of Anna Kournikova (career high of No. 8 in singles, No. 1 in doubles)

 

2012

GPTCA C-Level International Coach, Munich, Germany 

 

2003

A-Level Coach, German Tennis Federation

 

1999

Tae Kwon Do Instructor, 4th Dan at WTF (World Tae Kwon Do Federation)