Gerard I.J.M. Zwetsloot is an independent researcher and consultant based in Amsterdam, Netherlands. He specializes in workplace safety, health, and wellbeing, with a focus on Vision Zero and prevention culture. Previously, he served as a senior researcher at TNO and held honorary professorships at Erasmus University Rotterdam (1998–2006) and Nottingham University (2007–2019). He has a BSc in Chemistry and Physics, an MSc in Chemistry (Utrecht University), and a PhD in Social Sciences (Leiden University). Gerard has led key projects for the International Social Security Association (ISSA) and its global Vision Zero strategy, including the development of the proactive leading indicators guide. He is widely published and frequently invited as a keynote speaker at international conferences. In 2019, he received the Mukaidono Safety Award from the Institute of Global Safety Promotion in Tokyo, for his contributions to Vision Zero.