1972 - 1988 : 16 years with Telecom Australia, including 10 years as instruments officer with large laboratory, responsible for instrumentation quality control, at a level of Senior Technical Officer.

1988 - 2002: Periods of employment with Civil Aviation Authority, Bureau of Mineral Resources, Australian Institute of Sport, CSIRO.

Areas of work included:

• Laboratory Quality Control
• Calibration of Laboratory Standards
• Data and Error Analysis
• Data Acquisition and Control
• Design, Construction and Maintenance of Laboratory Instrumentation