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Willis Research Network Q4 2025 Newsletter

Author

Stuart Calam
December 17, 2025

2025 has been a year of sharp contrasts for risk. Extreme natural catastrophes, accelerating advances in artificial intelligence, and continued shifts in human security continue to reshape how the industry thinks about exposure, resilience and long-term strategy.  The return of Willis Re has added new energy to that conversation, with a sharper focus on how science, analytics and practical insight can help clients stay ahead of emerging pressures.

The latest WRN newsletter brings together some of our most important work from the last quarter of 2025. Our Risk and Resilience Review looks deeper at human security, including how ageing populations and large scale disaster displacement are reshaping vulnerability, recovery trajectories and long term exposure models. We also feature new pieces on AI governance and adoption that look at how organisations can navigate uncertainty while building safe and effective AI strategies, including Anat Lior’s perspective and our wider analysis of fragmented AI decision making.

We round things out with highlights from our Nat Cat research, which continues to support re/insurance decision makers with insight on climate driven extremes, evolving hazard patterns and shifting accumulation profiles. From wildfire risk and European windstorm to the growing importance of so-called secondary perils, the research reflects a world where traditional boundaries between primary and peripheral risks are breaking down. For the re/insurance market, this shift has material implications for pricing, capital allocation and long-term resilience.

All of this work reflects how quickly the risk landscape is shifting, and how closely human, technological and natural systems are now linked. We hope this edition is useful as you navigate those changes in your own work.

The Willis Research Network

Table of Contents


Author

Stuart Calam, Program Director, Willis Research Network

Stuart Calam

Program Director,
Willis Research Network

Solution

Willis Research Network