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

RSI News

Use of Probabilistic Exposure Models in the Assessment of Dietary Exposure to Chemicals 

Risk Sciences International CEO, Greg Paoli and RSI senior experts Emma Hartnett and Paul Price, have co-authored a new peer-reviewed publication highlighting the critical role of probabilistic exposure assessments (PEAs) in protecting public health. Supported by the Institute for the Advancement of Food and Nutrition Sciences (IAFNS), the study demonstrates how PEAs provide a more…
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Understanding methods

Structured uncertainty characterization

RSI incorporates uncertainty characterization into all technical deliverables using consistent frameworks. Whether qualitative or quantitative, RSI’s approach ensures that decision-makers understand what is known, what is estimated, and what remains uncertain. This clarity strengthens the defensibility and utility of RSI’s risk-related findings.
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Methods

Crisis planning

RSI develops crisis plans across sectors, integrating risk analysis, stakeholder roles, and communication components. The firm tests these plans through table-top exercises and scenario simulations. RSI focuses on both strategic and operational readiness, ensuring that organizations can make decisions under pressure and recover efficiently.
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Methods

Preparedness planning

RSI supports preparedness planning by conducting risk assessments, designing exercises, and integrating cross-sector inputs. Its planners work across jurisdictions and sectors to ensure that plans are relevant, operational, and supported. RSI’s focus on evidence-based scenarios and actionable protocols strengthens readiness and resilience.
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Client Needs

Product Safety Assessment

Organizations responsible for placing products on the market must ensure that these products meet defined safety standards, particularly when human health or environmental exposure is possible. Whether evaluating therapeutic goods, industrial products, or consumer items, clients must identify and quantify hazards, assess risk scenarios, and justify product claims in regulatory, legal, and public domains.
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Case Studies

Evaluation of Drug Recall Communication and Risk Determination Processes

In response to public and ministerial concerns about the timeliness and adequacy of information shared during a major prescription drug recall, Health Canada commissioned an independent review to assess its response to the event. The situation involved a recall of the oral contraceptive Alysena, issued due to packaging issues that altered the intended dosing sequence and raised questions about potential unintended health risks.
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Senior 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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Senior experts

Franco Momoli

Dr. Franco Momoli joined Risk Sciences International (RSI) in 2019 and currently serves as Vice-President, Chemical and Product Safety. In this role, he leads a multidisciplinary team of epidemiologists, risk assessors, toxicologists, and biostatisticians in conducting human health risk assessments related to environmental contaminants and consumer products. His practice group supports government agencies, regulatory bodies, and international partners in making science-informed decisions that safeguard public health.
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Understanding methods

Chemical exposure modeling

RSI applies chemical exposure modeling in regulatory, industrial, and public health contexts, using tools like ConsExpo, RAIDAR, and bespoke models. Its scientists ensure exposure scenarios are grounded in realistic behaviors and population data. This method underpins RSI’s toxicological and ecological risk assessments and is often combined with hazard data to complete full risk profiles. RSI emphasizes transparency and defensibility in modeling choices to support credible decision-making.
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Client Needs

Risk Education and Training

Informed, risk-literate teams are essential to operational readiness, compliance, and strategic agility. Without a shared understanding of risk concepts and language, organizations face greater exposure to decision errors, procedural delays, and internal or stakeholder misalignment. Clients seek credible training that builds foundational and applied risk competencies across operational, regulatory, and leadership levels.
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