Determining Relevant Low-Level Chemical Exposures for Safety Assessments of Consumer Products—Organizer Biosketches

Organizing Committee Members 

John Bartzis, MS, PhD
University of Western Macedonia, Greece


Prof John Bartzis is Emeritus Professor of the University of Western Macedonia. He
obtained his Diploma in Mechanical and Electrical Engineering from the National Technical University of
Athens, Greece (1970), his M.S. in Nuclear Engineering from the MIT, USA (1975), and his Ph.D. in Nuclear Engineering from the MIT, USA (1977). He has worked as Research Assistant at the MIT, USA (1974-1977), Quality Engineer at the Public Power Corporation, Athens (1977-1978), Visiting Assistant Professor, at the Nuclear Engineering Department, Purdue University, USA (1979), Assistant Professor of Mechanical Engineering, at the Midwest College of Engineering (Chicago, USA) (1979-1980), Research Engineer, at the Argonne National Laboratory, USA (1979-1980) and Researcher in NCSR "Demokritos" (1980- 2001). He has participated in or coordinated numerous European Research Projects in the field of environment and radiation protection. He participates in several international scientific committees. He has authored or coauthoredover 300 publications in journals, conference proceedings, books and reports.

Silvia Campos, PhD
The Coca-Cola Company, Belgium


Silvia Campos is a Risk Assessment Manager at The Coca-Cola Company where she has global responsibilities on ingredients safety.

Before joining The Coca-Cola Company, Silvia was a researcher in food safety and worked at FoodDrinkEurope where she led advocacy efforts on behalf of food industry.

Silvia holds a Master in Pharmaceutical Sciences from the University of Porto, Portugal and is specialized in food and packaging safety and regulatory affairs.  

Wolfgang Dekant, PhD
University of Wuerzburg, Germany


Dr. Wolfgang Dekant is Professor of Toxicology at the Department of Pharmacology and Toxicology of the University of Würzburg since 1992. He is involved in international toxicology research projects as well as advisory services and collaborates with the relevant authorities and organisations, including the EU, the WHO, the US EPA, the Federal Environment Agency and federal ministries. He is also responsible for numerous scientific publications as an author and editor.  

Kathie Dionisio, SM, ScD
US EPA, United States


Kathie Dionisio is an Environmental Health Scientist at the United States Environmental Protection Agency’s (EPA) Office of Research and Development (ORD). She trained as an exposure scientist, with a background in exposure to air pollution, including both measurement field studies and modeling. Currently her research focuses on chemical exposure from the use of consumer products under ORD’s Chemical Safety for Sustainability National Research Program, with an emphasis on exposure factors critical to modeling such exposures. She received her SM in Mechanical Engineering from the Massachusetts Institute of Technology (2005) and her ScD in Global Health and Environmental Health from the Harvard School of Public Health (2011).

Suzanne Compton Fitzpatrick, PhD, DABT, ERT
US FDA-CFSAN, United States


Dr. Fitzpatrick is the Senior Science Advisor for Toxicology in the Office of the Center Director at the Center for Food Safety and Applied Nutrition, US Food and Drug Administration. She is the US FDA lead for both Tox 21 and ICCVAM and oversee the toxicology research for foods. She chaired the committee that wrote the US FDA Predictive Toxicology Roadmap.

Eddy Goelen, MSc Eng
VITO, Belgium


Eddy Goelen, MSc, is project and business development manager at VITO (Flemish Institute for Technological Research), Unit Environmental Risk & Health.
Has more than 25 years of research experience in air quality and exposure measurements, risk assessments, environment and health related studies. Coordinated several European research projects. He is a member of ISIAQ, BSOH and CEN working groups. Expert for the Belgian Laboratory Accreditation System and registered referee for Scientific Journals. Former Chairman of the Belgian Superior Health Council working group on indoor environment.

Bruno Hubesch, PhD
European Chemical Industry Council, Belgium


Dr Bruno Hubesch holds a Master degree in Nuclear Chemistry and a PhD in Physical Chemistry from the University of Louvain, Belgium, and did postdoctoral research in investigative radiology at the Faculty of Medecine of the University of California, San Francisco, on magnetic resonance spectroscopy techniques for metabolic imaging in human brain. He then joined Procter & Gamble, Fabric & Home Care R&D, where he worked as a Product Development scientist. He is the author of more than 30 peer-reviewed publications, mostly in medical and toxicology journals, and the holder of 24 granted invention patents. Since 2009, he manages the human and environmental chemical safety research programme (LRI) for the European Chemical Industry Council (CEFIC) in Brussels. Incorporated in Belgium in 2013 under the consultancy platform Hubesch Consult BVBA, he provides scientific services for industry, agencies, small companies/organisations. 

Kristin Isaacs, PhD


Dr. Kristin Isaacs is a Research Physical Scientist in the National Exposure Research Laboratory of the U.S. Environmental Protection Agency’s Office of Research and Development (ORD). Since 2014, she has co-led ORD’s Rapid Exposure and Dosimetry (ExpoCast) project under its Chemical Safety for Sustainability National Research Program. Her research interests include high-throughput approaches for predicting chemical use profiles and consumer exposures.  She provides scientific advice and support to EPA Program and Regional Offices and collaborates with other federal agencies, state and international government bodies, and academic partners. Kristin received her Ph.D. in Biomedical Engineering in 2002 from Vanderbilt University for research in quantitative physiology, in which she developed modeling and analysis methods for circulatory and pharmacokinetic systems. She received additional training at EPA as a postdoctoral researcher modeling lung dosimetry and pharmacokinetics of inhaled pollutants. She joined EPA as a researcher in 2010.

Pim Leonards, PhD
Vrijie Universiteit Amsterdam


Pim Leonards is professor in Environmental Bioanalytical Chemistry. He has more than 20 years of experience in field and experimental studies related to environmental chemistry, emerging chemicals, indoor exposure assessment, and metabolomics. Nowadays, his focus is on emerging chemicals, indoor exposure, and metabolomics.
He participated in several national and research projects for the government, European commission, or industry. He was the coordinator of EU research project “Life Cycle Assessment of Environment-Compatible Flame Retardants (Prototypical Case Study) (ENFIRO)”. He also coordinated the EU “Developmental Neurotoxicity Assessment of Mixtures In Children (DENAMIC)”, and is sub-coordinator of the current Novel Testing Strategies for Endocrine Disruptors in the Context of Developmental NeuroToxicity (ENDpoiNTs) project.

Stylianos Kephalopoulos, PhD
European Commission, Italy


Dr. Stylianos Kephalopoulos is since 1993 scientific officer of the European Commission. He works for JRC’s Directorate ‘Health, Consumers and Reference Materials’ and is coordinating the European Commission's Information Platform for Chemical Monitoring data (IPCHEM). He has led the development of harmonization frameworks in Europe (for indoor material emission labeling schemes, indoor air monitoring and health-based evaluation of the indoor product emissions in the EU, common noise assessment methods in EU). He also contributed to the conception and implementation of several EC funded projects on the areas of environmental, chemicals and health and authored/ co-authored more than 160 papers, 70 of them have been published in peer-reviewed literature. Among his current main research areas of interest are: data, information and knowledge production and management in the areas of chemicals, environment and health; exposure and risk assessment (methods, guidelines, tools); implementation of policies on energy performing and healthy buildings in the EU.

Marusia Popovech, PhD, MPH
ExxonMobil Biomedical Sciences, Inc. United States


Dr. Popovech is a Senior Toxicologist with ExxonMobil Biomedical Sciences, Inc., where she leads toxicology assessments for a diverse slate of globally branded products and company operations. She received her doctorate in Molecular Toxicology and Carcinogenesis from New York University, and has received numerous awards for her work, including the Lindau Nobel Laureates Young Researcher Award from The Nobel Foundation. Dr. Popovech received her master’s degree in Public Health, with a focus in Molecular Toxicology from Columbia University and her bachelor’s degree in Public Health from Johns Hopkins University. Dr. Popovech currently serves as a member of the Mineral Hydrocarbon Task Force of CONCAWE and as a member of the Health Research Group of the American Petroleum Institute (API). She has authored numerous peer-reviewed publications and serves as a reviewer for the Journal of Toxicology. Dr. Popovech is an active member of the Society of Toxicology (SOT) through her service as Vice President of the Ethical, Legal, and Social Issues Specialty Section and as an active member of The Toxicology Forum.  

Amy Roe, PhD, DABT
Procter & Gamble Company. United States


Dr. Roe has over 20 years of experience as a practicing toxicologist in government, pharmaceutical and consumer product industries, through positions at both the U.S. FDA (NCTR) and The Procter & Gamble Company.  Her professional experience is in general, descriptive, and regulatory toxicology as well as specialized expertise in drug/xenobiotic metabolism and pharmacokinetics.  She is well-recognized externally in her field as evidenced by her service on professional boards and committees including Executive Member (Secretary) of the American Board of Toxicology and USP Dietary Supplement Expert Committee (Co-chair).  Dr. Roe has also served the SOT over the years in various capacities at both the regional and national levels.  She currently serves on the SOT Education Sub-committee and Nominating Committee, and currently serves as Vice-President Elect for the Regulatory & Safety Evaluation Specialty Section.    


Diederik Schowanek, PhD
Procter & Gamble Company, Belgium


Diederik Schowanek holds a MS degree in Bio-Engineering (1983) and a PhD in Environmental Engineering (1991) from Gent University, Belgium.  He is currently Principal Scientist in the Environmental Stewardship & Sustainability Organisation (ESS) of Procter & Gamble’s Brussels Innovation Centre (B.I.C.), Belgium.  His work involves the strategic planning, design and management of  safety and sustainability activities of P&G, and the European chemical industry.  He has built an internationally recognised expertise in the domains of Chemical Management and Product Stewardship, Risk Assessment (ERA) and Life Cycle Assessment (LCA).  

John Wambaugh, PhD
US EPA/NCCT, United States


John Wambaugh is a Physical Scientist with the U.S. Environmental Protection Agency’s (EPA’s) National Center for Computational Toxicology (NCCT). John researches high throughput methods for prioritizing the risk posed by chemicals to human and environmental health. This research includes methods for exposure, toxicokinetics, and toxicology. With Dr. Kristin Isaacs of EPA’s National Exposure Research Laboratory, John co-leads the EPA “ExpoCast” (exposure forecasting) project. John is also a member of the ToxCast research team. John develops and evaluates predictive models using mathematics, machine learning, and applied statistics. He also collaborates on the design of new experiments (including non-targeted chemical analyses and in vitro methods) to refine models and reduce uncertainty. John is an Associate Editor at Environmental Health Perspectives and the Journal of Exposure Science and Environmental Epidemiology and he has co-authored more than sixty peer-reviewed publications. John received his Ph.D. in physics from Duke University in 2006. He trained as a post-doctoral researcher with NCCT, where he studied toxicokinetics and statistical analysis of biological models with an emphasis on Bayesian methods and data fusion.