Ryan has more than 15 years’ experience in managing contaminated land and environmental investigations. He has directed, managed and contributed to numerous environmental assessment and remediation projects, involving risk-based site characterisation to guide management decisions for contaminated land and conceptual model development to evaluate contaminant transport and exposure pathways. Currently, he oversees the tendering, project design and delivery for a variety of services and industries, including contaminated land assessment and remediation (preliminary site investigation, detailed site investigation, risk assessment, remediation action plan, validation and environmental management plan), waste classification, groundwater assessment, PFAS assessment, acid sulphate soil assessments and management, effluent and organic waste beneficial reuse assessments, general environmental compliance and catchment water quality monitoring programmes.