1999 – 2002 - Violin maker for S.V.S. Tonewood, Bratislava, Slovakia .
2002 – 2005 - Violin making, repairing and restoration violins for Juraj Vančík
- violin maker, Bratislava , Slovakia (J. Vančík is my violin making and repairing teacher from the company S.V.S. Tonewood )
2005 - Repairing and restoration Phelps Violins ( Frederick Phelps Ltd. ) in London, UK .
2005 – 2014 - Crehan Musical Instrumets Ltd., Dublin , Ireland .In Crehans - "Repair and Restoration Manager"
2014 - Martin Kubiš Violins , Dublin, Ireland . Making new violins. Repairs and Restoration - violins,violas and cellos.