Leon graduated from Cardiff University with a BSc (Hons) in 1996 and MSc in 1998 and has more than 10 years' experience in contaminated land consultancies in the UK, New Zealand and Australia. He specialises in contaminated land site investigation, remediation design, site validation, human health and environmental risk assessment, hydrogeology, regulatory consenting and Due Diligence. Leon has worked on a wide variety of contaminated sites that include gasworks, bulk fuel storage, explosive ordnance storage, horticultural, rail corridor and metal manufacturing. Leon is currently the Case Manager for the investigation and remediation of petroleum hydrocarbon impacts to groundwater in Victoria and New South Wales.