1991 – Present: Management/Operations Research Consultant. Self-employed. View Details
1985 – 1991: Operations Research/Systems Engineering Manager. CertainTeed Corporation. Blue Bell, PA View Details
1978 – 1985: Senior Operations Research Analyst. CertainTeed Corporation. Blue Bell, PA View Details
1977 – 1978: Research engineer in fracture mechanics. Ceramic Finishing Company. State College, PA View Details
Nov. 1976 - Apr. 1977: Consultant in acoustics: AHS/FRANCE. Saint-Ouen L'Aumone 95 Sergy-Pontoise FRANCE View Details