Herbert Tiemens is an urban planner and senior policy advisor for mobility at the City of Utrecht, with nearly three decades of experience working with governments at different levels on traffic policy and cycling infrastructure. His work focuses on integrating spatial planning, street design, and mobility systems to support accessible, livable cities where cycling and public transport complement each other as part of everyday mobility.

Herbert has been closely involved in developing bicycle-friendly infrastructure and policies that connect cycling with regional public transit, helping strengthen Utrecht’s role within the wider Randstad mobility network. In addition to his municipal work, he served 11 years on the advisory board of Fietsberaad, the Dutch national knowledge center for cycling expertise, and regularly shares practical insights from Dutch implementation experience with international audiences.