Saurabh Mehta, MBBS, ScD, is a physician with expertise in infectious disease, nutrition, epidemiology, and diagnostics. He trained in medicine at the All-India Institute of Medical Sciences in New Delhi, India, and then received his doctoral degree in epidemiology and nutrition from Harvard University in Cambridge, Massachusetts. He is currently an associate professor of global health, epidemiology, and nutrition in the Division of Nutritional Sciences at Cornell University in Ithaca, New York. The overarching focus of his research program is to identify, diagnose, and intervene on modifiable risk factors such as nutrition to improve population health, with advances in technological innovation being an integral component of his approach. His research is accomplished through a combination of active surveillance programs, development of smartphone diagnostics for nutrition and infection, and randomized controlled trials primarily in resource-limited settings in India, sub-Saharan Africa, and Latin America. Julia L. Finkelstein, MPH, SM, ScD, is the Follett Sesquicentennial Faculty Fellow and assistant professor of epidemiology and nutrition in the Division of Nutritional Sciences, Cornell University. She is also an adjunct associate professor at St. John's Research Institute in Bangalore, India, and a Faculty Fellow at the Center for Geographic Analysis, Harvard University. She received her bachelor of science degree from McGill University, Montreal, Quebec; her master of public health degree from Brown University, Providence, Rhode Island; and master of science and doctor of science degrees in epidemiology and nutrition from Harvard University. Dr. Finkelstein is an epidemiologist with expertise in designing and conducting randomized clinical trials, cohort studies, and surveillance programs in resource-limited settings. Her research focuses on the intersection of micronutrients, infections, and maternal and child health. The goal of the Finkelstein Laboratory is to elucidate the role of micronutrients (i.e., iron, vitamin B12, and folate) in the etiology of infections and adverse pregnancy outcomes with the goal of improving the health of mothers and young children. This approach integrates nutrition, epidemiology, immunology, and biostatistics with an emphasis on the translation of laboratory findings and epidemiologic evidence to inform interventions and public health practice in at-risk populations. Dr. Finkelstein serves as an external expert with the World Health Organization (WHO) Nutrition Guidelines Group; as a core faculty member in the Pan American Health Organization/World Health Organization (PAHO/WHO) Collaborating Centre for Implementation Research in Nutrition and Global Policy; as an expert consultant for the WHO Vitamin and Mineral Information System Database, a global database of anemia and micronutrient biomarkers for all countries; and as an NIH reviewer for the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).