Ruhi Saith is a Senior Consultant at OPM New Delhi. Public Health and Development specialist with a strong research background on multidimensional poverty measurement, equity and the broader determinants of health, and in systematic reviews looking at the effectiveness of public health interventions. Ruhi started out as a medical doctor in India before moving to the University of Oxford to complete her PhD in Medicine. She became increasingly interested in public health policy and became a Research Officer at QEH focusing on multidimensional poverty analysis. She subsequently completed an MSc in Public Health by Distance Learning from the London School of Hygiene and Tropical Medicine. She undertook several consultancy projects for UNDP and the World Bank (including on Reproductive Health) before joining the Planning Commission of the Government of India contributing towards the 11th Five Year Plan. From 2007-09 she was Head of Research Programmes at the Public Health Foundation of India before becoming at a Fellow of Jawaharlal Nehru University during which time she was also part of the WHO’s Scientific Resource Group on Equity for Health, developing countries editorial consultant for the Cochrane Public Health Review Group, consultant at the International Initiative for Impact Evaluation (3ie) and visiting senior scientist at the University of Oxford’s Public Health Department. Most recently, she has been working on a 3ie project undertaking a systematic review looking at the health and social impact of slum upgrading interventions, and another on the effectiveness of PPPs in the delivery of primary health services in India. She is also leading on a Cochrane initiative in India – Public Health Evidence South Asia (PHESA), a satellite of the Cochrane Public Health Group. She has published extensively in many books and journals.