Effectively Assessing & Managing PFAS 2025 (Wednesday 3 December)

Hosted by

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  Jaana Pietari Principal Environment & Health @ Ramboll

  Jaana is a Principal with Ramboll, and she specializes in source identification, environmental forensics, and fate & transport evaluation of contaminants, including per- and polyfluorinated substances (PFAS). She has been engaged by clients for PFAS operational assessments and risk evaluations, product and material evaluations, forensic investigations, litigation support, liability estimates, site conceptual model development and source assessments across the U.S. and globally. Dr. Pietari co-leads Ramboll’s Americas PFAS Sector Growth Team starting in 2026. Dr. Pietari received MSE in Environmental and Energy Technology from Tampere University of Technology, Finland; MSE and PhD in Civil and Environmental Engineering from University of Washington, and MBA from Babson College.

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  Jennifer Farrell Program Administrator for the Waste Clean-up Program @ Florida Department of Environmental Protection

  Jennifer has over 25 years of environmental experience focusing on the cleanup of contaminated sites in Florida. In her current role, she directs management of the Site Investigation Section, Waste Site Cleanup Section, Federal Programs Section, and the Brownfields and CERCLA Site Screening Section. Jennifer has a bachelor’s degree in Geology from Florida State University and is a Professional Geologist with the State of Florida.

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  Rick Parkman Principal @ Ramboll

  Dr Rick Parkman is a Principal at Ramboll with over 30 years environmental research and consultancy experience. His primary role is PFAS lead for Ramboll Environment & Health for Europe. His consultancy background is in contaminated land liability management and over the last decade or more has increasingly focused on contaminants of emerging concern, including PFAS. He’s an active member at NICOLE and is currently involved in their PFAS Working Group, co-leading on policy and regulatory related issues. Rick is also an External Advisory Board member for the Department of Earth and Environmental Sciences at Manchester University.

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  Sebastian Harrison Environmental Engineer @ Leaves from the Tree

  Sebastian Harrison is an experienced Environmental Engineer specializing in brownfield regeneration, sustainability consulting, environmental remediation, and project management. Passionate about leveraging engineering expertise to support sustainable land recycling, waste management, and brownfield redevelopment.

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  Andy Leatt ​Technical and Development Director @ Puragen

  Andy brings almost 20 years of hands-on experience in developing and applying activated carbon solutions for complex industrial challenges. He has a proven track record of translating advanced chemistry into commercial-scale solutions that tackle pressing environmental issues. While holding a rare Fellowship from the Royal Society of Chemistry, Andy's true impact lies in his practical leadership within the industry. At Puragen, he directs quality management, spearheads new product and process development, and provides vital technical support to global commercial teams. Andy is instrumental in the ongoing development and commercialisation of innovative activated carbon technologies, particularly those engineered to combat emerging contaminants such as PFAS. His leadership effectively bridges the gap between scientific understanding and real-world application, driving Puragen's mission to enhance water and environmental purification through scalable, innovative carbon solutions.

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  Michael Donovan Global R&D Director - Construction Technologies @ CETCO Minerals Technologies

  Dr. Donovan currently manages the global research and development of innovative building materials, environmental products, and construction drilling products for CETCO, a wholly owned subsidiary of Mineral Technologies Incorporated (MTI). Earning a bachelor’s degree in Chemistry from St. Norbert College and a doctorate in Polymer Science and Engineering from the University of Southern Mississippi, Donovan has 48 issued patents and was the primary author of five peer reviewed journals. Prior to joining MTI, he was the Innovation Leader for the High Performance Polymer Division of SABIC Innovative Plastics (formerly General Electric Plastics).

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  Robert DeMott Ramboll @ Principal, Environment & Health

  Robert leads Ramboll’s Health Sciences practice. He has completed and directed risk analyses of chemical components of toys, electronic devices, apparel, shipping materials and building materials. Bob has extensive experience evaluating human health and environmental risks associated with the production, distribution, use and disposal of ingredients and products. He has directed studies evaluating alternative ingredients in packaging and plastics to address new regulatory programs and guided efforts by toy suppliers to analyze and monitor the effectiveness of Restricted Substances listings provided to their ingredient suppliers. Bob has directed evaluations under California Proposition 65 and US federal pesticide regulations regarding labeling requirements and hazard notifications. He has designed and implemented studies to measure consumer exposures from handling electronic/medical devices, and toys. He has a BA in biology from Williams College & a PhD from the University of Florida

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  David Reay Puragen