Managing Director of Aqua for All, a Dutch non-profit foundation that helps world’s poorest people gain access to safe water and adequate sanitation.  Previously he was Managing Director of the municipal water company in Eindhoven and Business Development Manager for a private company of the water sector. He lived for five years in rural areas of Mozambique working for the Ministry of Agriculture and contributing to the development of irrigation systems and infrastructure for access to drinking water. He has worked as a consultant of the UNEP and the Water Education Institute. Sjef has a degree in Mechanical Engineering from the University of Technology of Eindhoven (NL).