Christopher is a Senior Hydrogeologist and Chartered Geologist with over 18 years' experience in contaminated land and hydrogeology in Ireland and the UK. Christopher sits in the Ground Engineering group in the Dublin office of Arup. He is on the IGI Register of Professional Qualified Geoscientists / Competent (in respect of environmental risk assessment for regulated and unregulated waste disposal and contaminated land) and has recently completed a diploma in Planning and Environmental Law at King's Inns, Dublin. His project experience includes assessments of the impacts of land contamination on human health, groundwater and surface water, ground gas risk assessment, quantitative hydrogeological risk assessment of contaminated land and landfills (groundwater pollutant modelling), asbestos in soil, design of site investigations for land contamination assessments, waste classification, reviewing reports for private and state bodies and acting as an expert witness in land contamination matters.

Siobhan is a Senior Lecturer at Queen's University Belfast. Her research interests include risk assessment of contaminated sites including human health risk assessment, the use of bioaccessibility testing, and differentiating between geogenic and anthropogenic sources of contamination. Dr. Cox has also considerable industrial experience of leading the assessment and management of contaminated land, successfully delivering multi-million pound construction projects as a contaminated land consultant, before entering academia in 2003. She is currently a project leader on the €3.7M REMEDIATE Marie Curie ETN and a work package leader on the £550k InnovateUK funded LowCoPreCon project.

Anne Marie is a Senior Specialist with ESB International with over 17 years' experience, having worked as an environmental specialist in Ireland, Northern Ireland, UK, Azerbaijan and America. Anne Marie is a Chartered Environmentalist and a Chartered Scientist in the UK and Ireland (CIWEM). She holds an honours B.Sc. (Geol) degree from the UCC, M.Sc. in Environmental Engineering from Trinity College Dublin. Her areas of expertise include waste management and environmental liability assessment in relation to soil, ground-gas, air quality, construction noise, surface water and groundwater risk assessment and remediation.

Owen is a freelance environmental advisor working with clients who acquire and develop brownfield sites throughout Ireland. Owen is the founding Chair of the Ireland Brownfield Network and is a former environmental insurance broker, consultant and regulator. His 20+ years' experience and expertise in quantifying and managing environmental liabilities has earned him a reputation as being a pragmatic problem solver dedicated to the appropriate and sustainable redevelopment of brownfield sites.

Olivia is Managing Director for CHC Environmental Solutions Ltd - an independent environmental consultancy specialising in the areas of contaminated land, risk assessment, remediation, and environmental liability management working on sites across Ireland and the UK. Olivia has worked in the environmental industry for 16 years. Prior to setting up her own business, Olivia worked as remediation design engineer, working on over 2,500 sites across Europe, the Middle East and the US. Olivia holds a PhD in the use of stable isotopes as a forensic tool to evaluate the fate and transport of chlorinated solvents in the environment. Olivia also holds an MSc in Environmental Engineering and a BSc in Environmental Science. Olivia is a a Chartered Environmentalist (CEnv) with the Society for the Environment.