Aayush Khadka is a second-year PhD student in Population Health Sciences (Global Health and Population). His primary research interests are in characterizing the levels and drivers of antimicrobial resistance (AMR) as well as in developing interventions to reduce AMR in low- and middle-income countries. In other work, he is investigating the effect of housing policies on birth outcomes in the United States and the effect of institutionalization of postpartum family planning services on contraceptive uptake and methods mix in Nepal. Before Harvard, Aayush worked as a researcher in South Africa evaluating the impact of cash transfer programs on poverty and inequality. He holds a MS in Global Health and Population from the Harvard T. H. Chan School of Public Health and a BA in Political Science and Mathematics from Williams College.