| 2006 | Productora de Software S.A (PSL) |
| 2004 | IBM Global Services, Australia: Application Management Group. |
| 2002 | Wipro: Software Process Engineering Group. |
| 1999 | Oklahoma City Air Logistics Center: Aircraft Management Test Software & Industrial Automation Branches. |
| 1998 | Advanced Information Services, Inc: Development Group. |
| 1997 | Hughes Electronics: Software Process Improvement Team. |
| 1995 | Raytheon Company: Software Engineering Process Group, Equip. Div. |
| 1994 | Goddard Space Flight Center: Software Engineering Laboratory. |
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