Kavita Sivaramakrishnan is Associate Professor, Sociomedical Sciences at the Mailman School of Public Health, Columbia University, and is affiliated faculty in the Department of History, and is currently Interim Co- Director, Robert N. Butler, Columbia Aging Center, and is faculty director of the Yusuf Hamied Faculty Exchange Program (in collaboration with the Columbia Global Center, Mumbai). She has been trained in history, political theory and in population health at Trinity College, Cambridge University, the Jawaharlal Nehru University and at the Center for Population and Development Studies at Harvard University. Her interests and expertise are in the contemporary history of medicine and science in south Asia, and she has worked at the Public Health Foundation of India, and was awarded the Balzan Fellowship to train in the social determinants of health and policy with Sir Michael Marmot at University College London. She has published a book on Ayurvedic medicine and the politics of its renewal in late colonial Punjab in India in a book titled, Old Potions, New Bottles ( Orient Longman, 2006). Her current interests are focused on the politics of expertise and population anxieties in global health, in the sphere of population aging, and has published As the World Ages: The Making of a Global Demographic Crisis (Harvard University Press, 2018).She is also collaborating with Professor David Jones at Harvard University on a history of the making of heart disease in modern India. She has published on the politics of epidemics in colonial India and global health, and is currently working on a new book on expert knowledge on risks, consumption and carcinogens, and on tracing cancer campaigns and advocacy campaigns in South Asia.