Associate Professor, University of North Carolina at Chapel Hill, USA

Associate Professor, Division of Infectious Diseases, Department of Medicine, Boston University School of Medicine, USA

Research Professor, Department of Chemistry and Biochemistry, Montana State University, USA

Research Professor, Department of Population Health and Center for Opioid Epidemiology and Policy, NYU Grossman School of Medicine, USA

Head, Clinical Retrovirology Section, HIV Dynamics and Replication Program, Center for Cancer Research, National Cancer Institute-Frederick, NIH, USA