RSI integrates segmentation into risk communication strategies by leveraging both qualitative insights and quantitative analytics. The firm designs communication plans that reflect the unique concerns, values, and informational needs of distinct stakeholder groups—whether they be industry leaders, vulnerable populations, or general publics. RSI ensures that messaging is evidence-based, targeted, and dynamically updated as new data emerge.

RSI applies uncertainty propagation in its probabilistic risk models, supporting transparency and insight into the range and likelihood of possible results. RSI carefully documents input distributions, validates outputs, and interprets findings for decision contexts. The method helps RSI clients weigh risk-based decisions with a fuller appreciation of possible variation and confidence.

Pressure vessels — including boilers, storage tanks, and industrial process equipment — are indispensable to modern industry but carry inherent risks if improperly designed, maintained, or operated. Failures can result in catastrophic explosions, toxic releases, or widespread service disruptions, with serious consequences for worker safety, public health, and infrastructure resilience. Regulation of pressure vessels is…

To support international efforts in mitigating deliberate threats to the food system, the World Health Organization commissioned an update to its earlier guidance titled Terrorist Threats to Food. The revision aimed to broaden the original scope by addressing not only intentional acts, such as food terrorism, but also a wider array of systemic risks—ranging from pandemics to geopolitical disruptions—that could compromise global food safety.

Dr. Nataliya Karyakina is a Senior Toxicologist and Health Risk Analyst at Risk Sciences International (RSI), where she has served since 2008. She plays a central role in RSI’s work at the intersection of chemical safety, regulatory science, and human health. Drawing on more than three decades of experience, Dr. Karyakina contributes to complex projects involving the evaluation and assessment of hazardous properties of chemicals with different modes of action, hazard-based classification of chemical substances under CLP (EC) 1272/2008, and the development of health-based safety values for industrial and environmental chemicals for both workers and the general population.

RSI upholds scientific integrity through careful review, traceability, and methodological transparency in all communications. The firm advises on how to explain uncertainty, cite evidence, and respond to challenges without compromising clarity. RSI’s processes support accountability, credibility, and ethical engagement.

RSI uses attitudinal research to inform how technical risk assessments are likely to be received and acted upon. By pairing social science methods with structured stakeholder mapping, RSI helps clients integrate public values into policy planning and risk framing. This approach is especially useful in contentious or uncertain domains, where trust and perception may drive more outcomes than formal risk calculations. RSI’s ability to translate sentiment into actionable insight strengthens its Understanding Risk capacity.

RSI contributes to integrated emergency response planning by aligning jurisdictional roles, integrating SOPs, and mapping communication flows. RSI conducts readiness assessments and gap analyses to identify weaknesses in interagency collaboration. The firm ensures that integration mechanisms are tested and adaptable to different emergency scenarios.

RSI helps clients apply precaution and proportionality in regulatory design, especially where emerging technologies or data gaps create ambiguity. The firm clarifies legal frameworks, facilitates stakeholder debate, and documents rationale for action. RSI’s guidance ensures defensible decisions that protect public welfare without stifling innovation.

RSI helps develop and assess mitigation strategies that are evidence-based, cost-effective, and stakeholder-supported. The firm uses risk models, cost-benefit analyses, and community input to prioritize interventions. RSI ensures that mitigation is integrated with broader development goals and not treated as an isolated activity.