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Dr. Robert Gross is Professor of Medicine (Infectious Diseases) and Epidemiology and Co-Director of the Penn Center for AIDS Research (CFAR), Director of the Penn CFAR International Core in Botswana, Co-Director of the Clinical Assessment Core of the Penn Mental Health AIDS Research Center, a Senior Scholar in the Center for Clinical Epidemiology and Biostatistics, and Senior Fellow at the Leonard Davis Institute of Health Economics. His research has focused on HIV outcomes, with a particular emphasis on the continuum of care and prevention in the developed and developing worlds in both adults and adolescents. His work has addressed issues of measurement, determinants, and interventions to improve adherence and retention to treatment and prevention. Dr. Gross and his team developed the Managed Problem Solving HIV medication adherence intervention, which has been endorsed as an evidence-based intervention by the CDC. Other lines of research include the impact of pharmacogenetics on HIV outcomes and the determinants of and interventions for tobacco smoking in people living with HIV. In addition to his research focus in Botswana, he is also training emerging researchers from Botswana in HIV clinical research principles and practice. Dr. Gross received his B.A. in Italian from Cornell University, his M.D. from Cornell University Medical College, and his MSCE from the University of Pennsylvania Perelman School of Medicine. He is trained in Internal Medicine, Infectious Diseases and Clinical Epidemiology with a Pharmacoepidemiology focus. His has published in journals including JAMA, Annals of Internal Medicine, and PLOS Medicine.