After a degree in Environmental Sciences and postgraduate diploma in Soil and Water Engineering, Jonathan undertook Voluntary Service Overseas in the Philippines and soil research projects in Papau New Guinea and Burkina Faso. His first full time permanent job was with the Kent CC geotechnical group in 1987, moving to the Pollution Control section in the KCC Waste Disposal Department after two years. He joined the Environment Agency when it was formed in 1996. Jonathan has worked on risk assessment of developed closed landfill sites, landfill engineering and environmental enforcement on permitted sites, and a variety of contaminated land projects.
Jonathan has been involved with various key organisations like the Land Forum, CIRIA and CL:AIRE and assisted with delivering training and developments. He currently sits on the project board for a Defra contaminated sediments project.
Jonathan was elected to the IES Council in 2016 and re-elected for a second term in 2019.