Erwin Beerendonk is a Team Leader on the Water Treatment team and a Project Manager on various types of projects. As senior researcher, he focuses on solving challenges faced by the (inter)national watersector. For example the influence of droughts and climat change, decrease of water quality of (drinking) water sources, water reuse en finding the technological solutions to tackle the challenges. The technological solutions can sometimes be created by efficiently combining technologies, and other times by researching and developing existing and new treatment technologies. As a good organiser and planner, he and his colleagues and collaborative partners work in projects striving for the best possible results within the required time and budget, both in national and international research and advice projects.