Experienced program - and team manager, strategic advisor, policy maker, hydrogeologist and environmental professional. Currently advisor for both VNG (parttime) and the City of Enschede. Main tasks for VNG are subsurface policy development, network and knowledge development. Main tasks in Enschede are policy, network and knowledge development, consultancy, professional coaching, operational management and organisational development. Working on economical expansion of the regional Twente harbours, sustainability issues, energy transition, regional water and land & subsurface management policies, lobby / networking and QAQC. Expertise includes policy making, energy transition, sustainable development, due diligence, brownfield redevelopment, groundwater and subsurface management, public waste management (both account management and policy making), harbour and city management policies. International consultancy experience (projects in most EU countries, UK, Romania, Arab Emirates). Published reviewed publications and editorials in multiple magazines.Specialties (key words): hydrogeology sustainable energy due-dilligence policy development risk assessment quality management waste management contract management procurement tendering consultancy training mergers & acquisitions personal coaching