Günther is the Team Lead of Sun4Water. He has more than 30 years of experience on Food Security, Water and Sanitation, Agriculture, Management of Protected Areas, Solid Waste Management, Biosecurity, Peace Building. Before joining the Sun4Water Secretariat Unit in Bonn, Germany, he worked on various projects in Niger, Benin, Vietnam, Philippines, the South Pacific and Tanzania.

Macben is a senior energy specialist with over 15 years’ experience in renewable energy projects, energy efficiency, industrial automation and nexus topics (water-energy-food). He holds a PhD in Renewable Energy, an MSc in Energy Technology and an MSc in Mechatronic Engineering. He supported WE4F as technical advisor since 2020 and joined Sun4Water as East Africa Regional Coordinator in 2023. He has obtained several certifications in the fields of energy and engineering from; among others; the Florence School of Regulation (FSR), Fraunhofer ICT and the Renewables Academy AG (RENAC) and is a CEM, CMVP and a registered professional engineer with the Engineers Board of Kenya. Recently, his work has focused on the management, promotion, design, evaluation and development of clean energy and water efficiency projects and programs.

Stephane is a senior Agronomist specialized in water engineering, research and management. With 14 years of experience in agriculture and the water sector (rural & urban) his expertise covers: policy processes and analysis, training, design and construction, planning and communications. He is the West Africa Regional Coordinator of the Sun4water program. Prior, he worked as field engineer and trainer for various NGOs, as the Head of Irrigation and Drainage division in the Ministry of Agriculture (Cameroon), as a consultant on irrigation projects for FAO, IITA and GIZ and Site Coordinator for UNOPS.

Guillaume is a Technical Advisor for the Sun4Water program at the GIZ (Bonn Secretariat). As a French engineer, he has 20 years of professional experience in the field of water and agriculture in Europe (France, Germany) and abroad, particularly in Africa (Mali, Mozambique, Malawi). After several years in a consultancy firm specializing in water management and project implementation, he then focused on coordinating capacity-building programs for key players as training institutions, supporting the design and implementation of tailor-made training courses and South-South exchanges, leading to the co-creation of knowledge.

Sten is a Technical Advisor for the Sun4Water program and the WE4F GIZ Secretariat Unit. He focuses on water and energy related topics and the SPIS Toolbox. He has an M.Sc. in Water Management from the TU Delft in the Netherlands, where he focused on hydrology, Integrated Water Resource Management (IWRM) and river discharge modeling.

Michel holds a Water and Environmental Engineering degree with a specialization in Water and Sanitation from the International Institute of Water and Environmental Engineering of Ouagadougou, Burkina Faso, and several certificates in the fields of renewable energy and irrigation by GIZ, the International Institute of Francophonie and others. Michel worked as a consultant for the Africa Energy Building Industry Groupe in Ivory Coast and  later on as an environmental manager for an energy recovery project from agro-industrial waste at the Nitidae Association. Since April 2020, Michel has worked at GIZ as a Technical Advisor for the WE4F project and took on the role of Technical Advisor for the Sun4Water project in January 2023, working on capacity development and training.

Gerhard finished his Master´s degree in Bakery in 1986. In addition to this, he obtained a Master of Arts in Economics from the University at Albany, US. He worked in economics for more than 28 years held different positions in the financial area of the private sector in Germany, Brazil, Portugal and Austria. After a voluntary position in Hawassa, Ethiopia where he developed a payroll system for a mother and child hospital, he held a temporary position in the financial department of Misereor.
Gerhard started at GIZ in July 2023 as Finance Manager for Sun4Water in Bonn and Sustainable Fisheries and Aquaculture in Eschborn.