Steffanie A. Strathdee is Associate Dean of Global Health Sciences and Harold Simon Professor in the Department of Medicine at the University of California San Diego School of Medicine. She is also an Adjunct Professor at Johns Hopkins and Simon Fraser Universities. She directs UCSD’s Global Health Institute and co-directs the International Core of UCSD’s Center for AIDS Research. As infectious disease epidemiologist, she has spent the last two decades focusing on HIV prevention in marginalized populations in developing countries and has published over 500 peer-reviewed publications. Currently, she leads a multidisciplinary team of research on HIV risk behaviors among drug users and sex workers on the Mexico-US border where she developed one of the first interventions for female sex workers who inject drugs. In 2009, she and her team were awarded the Leadership Award in International Collaboration from the National Institute on Drug Abuse, who also granted her a MERIT award for her research in Tijuana.