| From | Until | Client / Employer | Job Title |
| Aug. 2022 | Oct. 2022 | DSU Refrigerator Seals BV | IT Project Manager |
| July 2021 | June 2022 | CEVA Logistics / Ingram Micro CLS | IT Project Manager |
| Aug. 2020 | Aug. 2020 | Veryant Italia S.r.l. | Consultant |
| Febr. 2004 | April 2020 | i-Modulas Software BV - Ridderkerk - NL | Misc. project roles |
| Dec. 2003 | Febr. 2004 | Indumat Verhuur BV - Ridderkerk - NL | Migration Consultant |
| Oct. 2003 | Dec. 2003 | CTB Flex - Ede - NL | Documentalist |
| Jan. 2003 | July 2003 | CTB Flex - Ede - NL | Project Manager |
| May 2002 | Jan. 2003 | CTB Flex - Ede - NL | Migation Consultant |
| Jan. 1999 | Jan. 2002 | CASEMaker Inc. - Santa Clara - USA | Business Dev. Mgr. Europe |
| Aug. 1998 | Nov. 1998 | CASEMaker Inc. - Santa Clara - USA | Marketing Consultant |
| Jan. 1998 | July 1998 | Capgemini Ned. - Utrecht - NL | Coach Program Development |
| Aug. 1997 | Dec. 1997 | EasiRun Europe GmbH - Usingen - D | Presales Consultant |
| June 1997 | July 1997 | COBOL Experts BV - Vught - NL | COBOL Trainer |
| May 1987 | May 1997 | REVO Software BV - Den Bosch - NL | Managing Director |
| Sept. 1986 | May 1987 | DSA Software BV - Capelle a/d IJssel - NL | Trainer |
| Sept. 1985 | Sept. 1986 | Chemproha - Zwijndrecht - NL | System Analyst / Programmer |
| May 1985 | Sept. 1985 | T&T Automatisering - Eindhoven - NL | Developer GBA for Utrecht |
| Dec. 1980 | May 1985 | Troost Systeemcentrum BV - Hendrik Ido Ambacht - NL | System Analyst / Programmer |
| Jan. 1980 | Dec. 1980 | Fluke Europe - Tilburg - NL | System Analyst / Programmer |
| Sept. 1978 | Jan. 1980 | Data Process BV - Amersfoort - NL | Programmer |
| July 1977 | Sept. 1978 | Philips NV - Eindhoven - NL | Programmer |