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The following posts are in no particular order. They are purposely randomized.

RSI Experts

Peter Aggett

Dr. Peter Aggett, a Pediatrician specializing in Gastroenterology, Metabolism, and Chemical Pathology, focuses on essential trace elements in health and disease. He holds the position of Emeritus Head at Lancashire School of Health and Postgraduate Medicine and is a Professor of Child Health and Nutrition at the University of Central Lancashire. His extensive career includes roles in public health nutrition, nutrient risk assessment, and food safety, contributing to scientific advisory committees worldwide. Following retirement, Dr. Aggett continued as an External Expert for EFSA, reviewing Dietary Reference Values for essential micronutrients.

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RSI Experts

Sam Kacew

Dr. Kacew is a distinguished figure in the field of toxicology, holding various prominent editorial positions. Notably, he serves as the Editor-in-Chief of the Journal of Toxicology and Environmental Health, Part A, and the Editor-in-Chief of the Journal of Toxicology and Environmental Health, Part B, Critical Reviews. Dr. Kacew is also the North American Editor for Toxicological and Environmental Chemistry and holds an Associate Editor role in Toxicology and Applied Pharmacology, among others. His extensive publication portfolio includes over 150 papers, reviews, and book chapters, with a focus on general toxicology, including renal, hepatic, and pulmonary toxicology. Additionally, he is a Member of the Board of Trustees for Toxicology Excellence for Risk Assessment (TERA).

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Resident experts

Jennifer Go

Jennifer Go holds a BHSc in Health Sciences and an MSc in Epidemiology, both from the University of Ottawa. Her academic work has spanned epigenetics, mental illness, and environmental exposures. Joining Risk Sciences International in 2017 as a Risk Analyst, she specializes in epidemiology. Jennifer's skill set includes systematic reviews, data manipulation, and statistical modeling. She has worked on diverse projects, ranging from pharmacoeconomic evaluations to analyses involving large datasets and electronic health records.

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Resident experts

Donald Mattison

Don Mattison's career is an amalgamation of medicine, science, and public service. He started with a Bachelor's degree in Chemistry and Mathematics, followed by a Master's from MIT in Chemistry. He then pivoted to medicine, obtaining an MD from Columbia University and focusing on pharmacology and toxicology in reproductive health during his residencies. Mattison has held several prestigious appointments, including Dean of the University of Pittsburgh's Graduate School of Public Health and Chief Medical Officer at Risk Sciences International. Throughout his career, he obtained medical licenses in six U.S. states and served in the U.S. Public Health Service, retiring with the rank of Captain. Most recently, he became a Distinguished Professor of Epidemiology at the University of South Carolina.

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Resident experts

Paul Stanish

Paul Stanish holds a B.Sc. in Chemistry from Carleton University and a Ph.D. in Chemistry and Nanotechnology from the University of Waterloo. His doctoral research focused on energy movement in semiconducting oxides. Paul has experience in analytical chemistry and has developed Android applications for risk management in options trading. He joined Risk Sciences International in 2021, focusing on leveraging emerging tools to modernize client understanding of risk and streamline data culture.

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Resident experts

Hong Duan

With a B.Sc. in Computer Science from the University of Ottawa and over a decade of experience, Hong Duan specializes in database-driven web projects. A Microsoft certified .NET developer, she previously worked at Wireless Werx Inc. Since joining RSI in 2011, her expertise has contributed to high-quality software development for clients like the Public Health Agency of Canada, the U.S. FDA, and international organizations such as FAO and WHO.

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Resident experts

Emma Hartnett

Emma Hartnett is an internationally recognized expert in risk assessment, specializing in toxicological, microbiological, and nutritional hazards. She holds a B.Sc. in Microbiology and a Ph.D. in Statistics and Modelling Science, where her thesis work focused on quantitative risk assessment for campylobacter infection from chicken. Hartnett has developed a variety of decision support tools addressing issues from infectious diseases to bioterrorism preparedness. She frequently contributes to WHO and FAO initiatives, and has been selected for the Joint FAO/WHO Expert Meetings on Microbiological Risk Assessment Roster of Experts for 2018-2022.

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Resident experts

Michael G. Tyshenko

With interdisciplinary training in Life Sciences, Public Health, and Public Administration, Dr. Michael G. Tyshenko specializes in health risk communication and policy. He collaborates globally on infectious disease research, including SARS, MERS, and COVID-19, and leads chemical peer reviews at Risk Sciences International (RSI). His work also extends to pandemic planning in Nepal, focusing on drone delivery of medical supplies to remote areas. Tyshenko's expertise is sought by various government departments in Canada and abroad.

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RSI Experts

Selim Muhammad Khan

Dr. Khan is a medical doctor with a master's in public health and a Ph.D. in population health. He currently holds a CIHR-CMHC joint fellowship applying deep learning and geospatial intelligence to predict and map cancer risk from radon gas exposure, collaborating with the University of Calgary's School of Architecture and School of Medicine. Dr. Khan also consults for the WHO on emergency health security and works as a research associate focusing on developing a next-generation risk assessment framework using new approach methodologies. His experience includes various roles in healthcare, academia, and international organizations, including the World Health Organization. Dr. Khan's expertise covers global public health, digital surveillance, population health risk assessment, advanced data analytics, and more. He has received multiple awards and published numerous peer-reviewed research articles in high-ranking journals.

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Resident experts

Shintaro Hagiwara

With a B.Math, M.Sc, and Ph.D in Statistics from Carleton University, Shintaro Hagiwara specialized in optimal design for quantitative high-throughput screening and a value-of-information framework for regulatory decision-making. He honed his communication skills through teaching and consulting roles at Carleton. Since joining Risk Sciences International in 2023, his focus has been on applying the VOI framework and developing health-based guideline values for chemicals.

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