Jim Fenstermacher

Americas Emerging Contaminants/PFAS Team Leader, Ramboll

Jim Fenstermacher is an expert in the area of fate, transport and remediation of per- and polyfluorinated alkyl substances (PFAS) and a member of Ramboll’s emerging contaminant initiatives team. He assists project teams across the company with technical expertise related to PFAS properties and behaviors and contaminant remedial technology selection and design. In addition to PFAS, Jim has specialized expertise in the selection, installation and operation of soil and groundwater remediation programs, including in-situ chemical oxidation (ISCO), in-situ chemical reduction (ISCR), electrical resistance heating (ERH), bioremediation, in-situ chemical oxidation, zero-valent iron permeable reactive barriers (ZVI PRBs), vapor-liquid (high-vacuum/dual-phase) extraction, soil vapor extraction, and traditional groundwater extraction systems.

Paul Nathanail

Director, Land Quality Management Ltd

Paul chaired the ISO working group that wrote BS ISO 18504:2017. He regularly delivers keynote, invited lectures at conferences around the world. 

He is advising clients on a risk based approach to assessment and remediation of sites whose soil or water are affected by various PFAS. He recently reviewed the effects on climate change and extreme weather events on the properties of PFAS and on remediation.

Paul is currently leading the writing of CIRIA guidance on PFAS in soil and water and is Deputy Chair of the NICOLE working group on PFAS. He is building a global coalition to explore a TPHCWG equivalent for PFAS - the PFASCWG if you will.

Dr Jane Thrasher

Director in Land Quality, Jacobs

Jane is a land contamination geologist who has been helping Jacobs provide solutions to a variety of clients on a wide range of projects for more than 27 years. For the last couple of years she has been leading the team in Jacobs working with the Environment Agency on the PFAS Risk Screening Project, drawing on Jacobs global expertise in Emerging Contaminants. She currently leads Jacobs’ global community of practice on ground contamination and land quality.

Anna Willett

Technical Services Manager, CETCO-Minerals Technologies Inc.

Anna Willett, PE is a Technical Services Manager at CETCO-Minerals Technologies Inc., a global leader in minerals-based technologies. She provides technical support for environmental products that are used to clean up contaminants in engineered systems and natural environments. She is an expert in the use of chemical and biological processes for drinking water treatment, clean up of industrial waste, and soil/groundwater remediation. Past roles include directing the Interstate Technology & Regulatory Council, project management and engineering at major consulting firms, and managing R&D at a specialty chemical company. She has an M.S. in chemical engineering from Northwestern University and a B.S. in biological engineering from Cornell University.

Geraint Williams

Associate, Life Sciences, ALS Global

Geraint Williams acts as ALS’s European technical lead on per- and polyfluoroalkyl substances (PFAS).  He is a technical expert for United Nation Environmental Programme (UNEP) and has worked in Nigeria, Cote d’Ivoire, Iraq, Afghanistan and many other countries throughout the world.

Geraint has a keen interest in promoting best practice and serves on the Contaminated Land Working Group of the Association of Geotechnical and Geoenvironmental Specialists (AGS).  In addition, Geraint serves on EH/4, British Standard’s technical committee on soil quality and the Society of Brownfield Risk Assessment’s (SoBRA) vapour intrusion working group.