During this time, Lachlan worked in various roles, including technical leader for risk services worldwide and General Manager, managing a large team of risk consultants across Australia. He has an in-depth knowledge of risk issues and has worked closely with many clients to assist them to manage their major hazard risks and development of Safety Cases. Lachlan has extensive experience in the application of various risk assessment methodologies in the petroleum refining, chemicals manufacturing and oil and gas industries, both for the assessment of existing facilities and for new installations. He has also conducted numerous safety assessments and fire safety studies for major hazard sites, including onshore gas plants, refineries, tank farms and terminals.