Guéladio Cissé is a research director and head of the Ecosystem Health Sciences Unit within the Department of Epidemiology and Public Health, at Swiss Tropical and Public Health Institute (Swiss TPH) in Basel, and currently a visiting scholar at the College of Public Health, Medical and Veterinary Sciences of James Cook University in Townsville, Australia. He is a sanitary engineer and an environmental epidemiology researcher who holds a PhD from the Swiss Federal Institute of Technology in Lausanne (EPFL). He has been successively lecturer and researcher at the Inter-state engineering school for rural equipment in Burkina Faso, regional research coordinator and managing director at the Swiss Center for Scientific Research in Cote d’Ivoire. After 20 years of working experience in West Africa he joined Swiss Tropical and Public Health Institute in Basel, Switzerland, since 2009. Guéladio’s research interests pertain to environmental health with a particular attention to children major health problems (e.g. diarrhea, parasitic infections and malnutrition) in relation with environmental pollutions, global and climate change. He has been for more than a decade team leader and advisor for projects related to adaptation to climate change in water and health sectors. He contributed to the training and supervision of younger researchers in various academic partnership projects between Switzerland and countries in Africa and Asia. He is member of a number of international scientific panels, committees and professional societies, including the International Society for Environmental Epidemiology. He contributed to several books, peer reviewed publications and international conferences related to the challenges of water, sanitation and hygiene (WASH) systems, ecosystems and human health in face of climate change.