Martin Mulenga (Ph.D.) is a senior researcher at the International Institute for Environment and Development (IIED), a research and policy organisation based in London. He works mainly on urban water supply and sanitation issues and occasionally on other urban development issues in low-income settlements in developing countries. He is the author of the recently published VDM Verlag book - Barriers to the Demand Responsive Approach in Urban Sanitation: A Study of Zambia and South Africa(2009) and co-authored a book chapter with Gordon McGranahan entitled ‘Community Organization and Alternative Paradigms for Improving Water and Sanitation in Deprived Settlements’ in an Earthscan book edited by José Esteban Castro and Léo Heller - Water and Sanitation Services: Public Policy and Management (2009). He is also the main author of Building Links for Improved Sanitation in Poor Urban Settlements: Recommendations from research in Southern Africa (University of Southampton, 2004).He studied Architecture at the Copperbelt University in Zambia and the University of KwaZulu-Natal in South Africa and he received his Ph.D in Civil and Environmental Engineering from the University of Southampton in the UK.His work has involved engaging with a range of players at international, national and community levels His most recent work involved co-ordinating a Sida/DFID/DANIDA funded project in Angola, Argentina, Ghana, India and Pakistan which aimed at documenting successful local water and sanitation initiatives low-income urban settlements in these countries. He is currently part of a group of 3 researchers undertaking a study which shows how lack of awareness of the importance of groundwater to poor urban dwellers, together with a lack of baseline data, obstructs a holistic view for planning and safeguarding groundwater resources in the short as well as the long term. He has also carried out work in Bangladesh, Malawi, South Africa, Sudan, Zambia and Zimbabwe.