| 1950 - 1970 | Maturity/Education/HTL : Alphen a/d Rijn / The Hague (NL) |
| 1970 - 1973 | Military Service/Academy: Sgt Radar/Radio Systems (NL_EU) |
| 1973 - 1975 | Technical Engineering(Spectral-Analyzers):Service&Support (EU) |
| 1975 - 1980 | Technical Engineering (ATE-Tester): Service&Support (EU) |
| 1980 - 1985 | Technical Sales & Marketing : Computers & Peripherals (CH - EU) |
| 1985 - 1995 | Sales & Marketing : Computers & Peripherals (CH - EU) |
| 1995 - 2000 | Sales & Marketing : ICT Telecom SATCOM CTI (CH - EU) |
| 2000 - 2005 | Sales & Marketing : SATCOM C4iSR E-Xmission Outdoor (CH - EU) |
| 2005 - 2010 | Consulting : SATCOM Outdoor C4iSR Media-Rep (CH - EU) |
| 2010 - 2015 | Consulting : MuPi-Media-Rep C4iSR DropZone (CH/AT) |
| 2015 | Retirement |
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