Andrew Hall is a public health nutritionist and authority in neglected tropical diseases.  He has 40 years experience of working on malnutrition in populations in developing countries and has worked extensively in Bangladesh, Kenya, Tanzania, Ghana, Indonesia, Viet Nam and more than 20 other countries as a consultant to United Nations agencies, USAID and NGOs. He has undertaken research on nutrition and the epidemiology of intestinal parasitic infections at the London School of Hygiene and Tropical Medicine; at the International Centre for Diarrhoeal Disease Research, Bangladesh; at the University of Oxford; and at the University of Westminster, where he taught on an MSc degree in Public Health Nutrition. His last academic appointment was as Professor of International Nutrition at the University of Greenwich. He has also worked as Country Director of Helen Keller International in Bangladesh and Research Advisor at Save the Children, U.K. He has a special interest in the nutrition, health and education of school-age children. He has designed large scale nutrition and health surveys and worked on nutritional surveillance; he has designed evaluations of livelihoods programmes and their impact on nutrition; he has undertaken the analysis of data from research studies and surveys of nutrition; and he has been commissioned to do systematic reviews of nutritional topics for organisations such as the World Bank and the Copenhagen Consensus. This work has led to more than 100 papers in peer reviewed journals. In his spare time he is a biographer and bibliographer.