After graduating in Physical Geography, Arnoud started his career with ambitious trainee posts and jobs abroad. As deputy head of the Rotterdam Water Management Department, he was responsible for the Waterplan2Rotterdam. In 2008, he was appointed Manager of the Rotterdam Climate Proof program.

Arnoud is first editor of the book “Resilient Cities and Climate Adaptation Strategies” (2014). As Chief Resilience Officer, appointed in 2014, he was responsible for Rotterdam’s first and second Resilience Strategy (2016 and 2022).

He joined the Global Center on Adaptation as Strategic Advisor Cities (2018). In 2019 he hosted the Global Urban Resilience Summit in Rotterdam and joined the Global Steering Committee at the Resilient Cities Network. He also is appointed as water and resilience Knowledge Ambassador with Rotterdam Partners.

Recently (2024) Arnoud transferred to the Square Floating City company as Global director Resilience and Partnerships.