Professor of Medicine (Infectious Diseases) and of Epidemiology (Microbial Diseases); Affiliated Faculty, Yale Institute for Global Health; Director, Yale Center for Clinical and Community Research, Department of Medicine; Director, HIV in Prisons Program, Infectious Diseases; Director, Community Health Care Van, Intersection of Infectious Diseases and Substance Use Disorders/Addiction Medicine; Academic Icon Professor of Medicine, University of Malaya-Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine , University of Malaya; Visiting Professor, National Drug and Alcohol Research Centre, University of New South Wales
- Global Health
- Health Economics
- Health Equity, Disparities, Social Determinants and Justice
- Health Systems Reform
- Health Care Management
- Behavioral Health
- Epidemiology Methods
- Disease Transmission
- Community Health
- Clinical Trials
- Community Engagement
- Tuberculosis
- Substance Use, Addiction
- Poverty and Economic Security
- Sexually-Transmitted Infections
- Infectious Diseases
- HIV/AIDS
- Implementation Science
- Modeling
- Mental Health