Coach since 1989

October 2012-to-date  
CEO, Head Coach and Director - OS Tennis Performance

September 2016-January 2019 
Head of Tennis-private Sports School Schloss Hagerhof - Bad Honnef

October 2012-September 2016 
Sports Director and Head Coach-TC RW Troisdorf e.V. 

May-September 2012  
Deputy Head Coach Iphitos Tennis Academy and Deputy Sports Director - MTTC Iphitos e.V.-Munich

September 1999-April 2012 
National Coach of the Tennisverband Mittelrhein e.V. (German Tennis Federation) - Cologne

Coached Sabine Lisicki, Annika Beck, Chiara Scholl, Anna Popescu, Andreas Mies, Oscar Otte, Alistar Hunt, Eddy Bank, Andrei Mlendea, Dmytro Kovalyov, Nikolas Walterscheid-Tukic 


Tennis Integrity Protection Programme (TIPP) by TIU

German Tennis Federation-Club Manager

German Tennis Federation - German Olympic Sports Association (DOSB) - Trainer A competitive sport - sport: tennis


July 2016 
German Olympic Sports Confederation (DOSB) - "Das grüne Band" - Honor for special promotion of youth and young talent - TC RW Troisdorf e.V.

As a national coach 4th place with European Junior Fed Cup team (Beck, Kimmelmann, Wegner) in Belgium

Oliver Seidenberg