1996 - 2003   SMH - Structural Steel and Mechanical Engineering Herbrechtingen, Germany

                        Fabrication for structural steel engineering, mechanical engineering, pressure vessel, piping, 

                        flame- and laser cutting. Fabrication-, Welding-, Quality department, Project Management, CEO.

2003 - 2015   Gaudray Engineering, Germany

                        Industrial services such as inspection, expediting, project management, site supervision,

                        expert witness, welder training, external Welding Engineer, Interim Manager.

since 2016    QI-ASIA Ltd., Hong Kong

                        Industrial services as described.