1969: Civil Engineering: Construction: Engineering Survey, Site Agent.

1973: Civil Engineering: Consultant: Resident Engineer: Roads, Bridges.

1980: Civil Engineering: Construction: Contracts Manager: Rail, Road, Bridges, Structures, Township Services, Dredging, Estimating, Project Management

1989: Civil Engineering: Construction: Contracts Manager - Division Director: Road, Bridges, Township Services, Estimating, Project Management, Contractual Claims.

1993: Own Business: Contractual Claims Consultant, Technical Advisor, Project Management

1995: Own Business: Corrosion Protection, Concrete Rehabilitation, Mechanical - Water Treatment

2004: Own Business: Consultant: Contract Law, Dispute Resolution, Specialist Civil and Mechanical Design, Software Development

2014: Semi-retired: Construction Software Development