Dr. Stephen Foster has exceptional experience of groundwater assessment, management and protection in a wide variety of contexts and applications worldwide. His senior posts have included :
- WHO-Groundwater Advisor for Latin American & Caribbean (1986-89)
- British Geological Survey-Environmental Division Director (1990-99)
- World Bank–Groundwater Management Team Director (2000-11)
- Global Water Partnership-Senior Adviser (2012-15).
He was voted International Association of Hydrogeologists Vice-President (2000-04) and President (2004-08). Academically he has a D.Sc.(London), was appointed University of London-Visiting Professor in 1992, named a Spanish Real Academia de Ciencias-Foreign Member in 1993, and has received numerous professional awards including the prestigious IWEM/GSL Whitaker Medal (1975), IAH Presidents Award (2004) and GSL William Smith Medal (2006) .