Jason Clay is a Senior Principal and leads the Sydney office of Senversa. He has been an environmental consultant for more than 20 years and specialises in the risk-based assessment and remediation of contaminated soil and groundwater. Jason is a state accredited Contaminated Site Auditor in NSW and WA and is a Certified Practitioner Site Assessment and Management (CPSAM) and a UK Specialist in Land Condition (SiLC). He is a registered principal environmental auditor (EARA) and has acted as expert witness on contaminated land and health risk assessment projects. Jason has carried out assessments on sites in Asia, Australia, Brazil, France, Latvia, Norway, Romania, Saudi Arabia, Spain, Sudan, Sweden, the UK and Venezuela.