The Chicago Center for HIV Elimination was conceptualized in the summer of 2012 as a way to integrate the research, clinical, and community-based activities at the University of Chicago that are strategically positioned to eliminate new HIV transmission events.  CCHE is managed by an integrated team of faculty who work with staff, students, trainees and community to develop the scientific and programmatic agenda each year as we move towards elimination of HIV transmission.

John Schneider, MD, MPH


Dr. John Schneider MD, MPH is an infectious disease specialist and network epidemiologist in the Departments of Medicine and Health Studies.  His NIH funded research focuses on how social networks can be leveraged to improve the health of at risk populations in resource restricted settings.  Clinically, he specializes in adolescent and adult HIV primary care and has a specific interest in provision of high-quality care to LGBT community members.  He has extensive experience with advancing the physician patient relationship in resource restricted settings, including his current clinic at a Federally Qualified Health Center on the South Side of Chicago and during his time working in Southern India.

Alida Bouris, PhD


Alida Bouris, PhD

Alida M. Bouris is an Assistant Professor in the University of Chicago's School of Social Service Administration. Her primary research area is in the development of family-based interventions to prevent HIV/AIDS, sexually transmitted infections, and unplanned pregnancies among Latino and African American adolescents and young adults. She also is working on the development of family-based interventions to support the health and well-being of sexual minority youth. Within these areas of research, Professor Bouris is primarily working with African American and Latino young men who have sex with men and with Latino adolescents and young adults.

David Pitrak, MD


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Dr. Pitrak is the Chief of the Section of Infectious Diseases and Global Health.  He attends clinics for patients with HIV infection, as well as primary and other acquired immune deficiencies.  He leads the Expanded HIV testing and Linkage to Care program (XTLC), a large testing program (35,000 tests in 2012) funded by the CDC, that has achieved a 91% LTC rate for the program.

Dexter Voisin, PhD


Dexter R. Voisin, PhD

Dexter R. Voisin is a Professor in the School of Social Service Administration and a Faculty Affiliate at the Center for the Study of Race, Culture, and Politics and the Center for Health and the Social Sciences. His fields of special interest include community violence exposure, adolescent sexual risk behaviors, the role of gender in adapting to risks, international HIV prevention, and social work practice.

Moira McNulty, MD

Director of HIV Testing

Moira McNulty is a Clinical Instructor in the Section of Infectious Diseases and Global Health. Moira’s research focuses on HIV testing and how it can be optimized to engage individuals in the HIV care and prevention continuum. She is also interested in strengthening existing academic partnerships with public health entities and is currently working with the Chicago Department of Public Health. In her clinical practice she cares for individuals living with HIV as well as providing PrEP for individuals at risk.

Jessica Ridgway, MD, MS

Director of Predictive Analytics

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Dr. Jessica Ridgway is an Assistant Professor in the Section of Infectious Diseases and Global Health. Her research focuses on the use of predictive analytics to improve care along the HIV care continuum. She also utilizes clinical informatics to improve HIV testing and linkage to prevention services including PrEP care among high-risk HIV-negative individuals. In her Infectious Diseases clinic, she provides primary care for adults and pregnant women with HIV, as well as PrEP care.

Mai Tuyet Pho, MD, MPH

Director of Health Policy Research

Dr. Mai Tuyet Pho is an infectious diseases physician and health outcomes researcher. Her work seeks to improve health outcomes and public policy at the intersection of HIV, HCV, and substance use. She has trained in decision modeling and health economics under the mentorship of Kenneth Freedberg, Rochelle Walensky, Milt Weinstein and David Meltzer. Current projects includes understanding the shifting epidemiology of HCV and opioid overdose, network characterization of people who inject drugs in rural communities, linkage to HCV care at reentry for criminal justice involved individuals, economic evaluation of routine HCV and HIV screening and treatment coverage policies, discrete choice experiments to examine heterogeneity in willingness to pay for therapy, and qualitative analyses on optimizing shared decision making surrounding HCV in marginalized populations.

Aditya Khanna, PhD, MS

Director of Network Modeling

Aditya Khanna, PhD, MS is a computational epidemiologist and statistician. His research combines biosocial data and computational modeling tools to understand infectious disease dynamics and prevention mechanisms. He works on assessing the applicability of models and modeling frameworks, and on developing interventions to eliminate new HIV infections. Modeling networks is a predominant theme in his work, including sexual networks through with pathogens transmit, and social networks, which channel information that impacts behaviors. He is the recipient of a pilot award through the Third Coast Center for AIDS Research to expand his work on peer change agent identification and dynamic network structure.

Russell Brewer, DrPH, MPH

Director of Community Engagement

Dr. Russell Brewer currently serves as Research Associate Professor at the University of Chicago Medicine and Director of Community Engagement at the Chicago Center for HIV Elimination. From 2011-2017 he was the Director of the HIV/STI Portfolio at the Louisiana Public Health Institute in New Orleans, Louisiana. He has more than 19 years of experience in program development, implementation, evaluation, and public health research in a variety of settings (e.g., non-profit, governmental public health, and philanthropy) and levels (e.g., local, state, and national). 

Aniruddha (Anu) Hazra, MD

Director of STI Services

Dr. Anu Hazra is an Assistant Professor in the Section of Infectious Diseases and Global Health.  His research and clinical interests center around sexually transmitted infections and their impact on sexual and gender minorities as well as other vulnerable populations.  He is passionate about the equitable delivery of healthcare to LGBTQ people of color. 

His past work at Fenway Health identified patients at highest risk for syphilis infection and reinfection as a means to implement primary care strategies to establish syphilis control.  He plans to continue this STI work at CCHE with a focus on transgender women of color and Black men who have sex with men.  His other clinical interests include complex HIV management, hepatitis C treatment, high resolution anoscopy, treatment of opioid use disorder, and medical education.  He is certified in office-based treatment for opioid use disorders and aims to address the clinical needs of the opioid crisis within our sexual and gender minority populations.  In addition to his HIV primary care clinic, he has also runs a walk-in STI clinic at the University’s medical center.

Affiliated Faculty

Ron Burt, PhD

Ronald Burt, a faculty member at the Chicago Booth School of Business since 1993, studies the ways that social networks create competitive advantage in careers, organizations, and markets. He teaches in Booth's Executive M.B.A. program and in Chicago programs for senior executives. Burt is the author of several books on sociology and network analysis.

Melissa Gilliam, MD

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An expert in pediatric and adolescent gynecology, Dr. Melissa Gilliam helps children, teens and women age 25 and younger who have complex gynecologic problems or need routine care. Dr. Gilliam specializes in managing common problems such as bleeding, painful periods, breasts cysts and abnormal pap smears and complex problems requiring pelvic surgery. 

Brandon Hill, PhD

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Dr. Hill is the Executive Director of the Center for Interdisciplinary Inquiry and Innovation in Sexual and Reproductive Health (Ci3) at the University of Chicago. His current projects examine the social and structural determinants of health that contribute to mental and physical health disparities among sexual and racial minorities, particularly young transgender women of color and young Black men who have sex with men (YBMSM). 

Edward Laumann, PhD

Edward Laumann

Professor Edward O. Laumann is the George Herbert Mead Distinguished Service Professor of Sociology and the College. Professor Laumann's many research interests include research on human sexuality among older Americans, cross-nationally (in 29 countries and in China), sexuality in urban places, the spread of sexually transmitted infections vis sexual networks, subjective well-being, quality of life, and health status, social networks in various social contexts, and the urban legal profession.

Harold Pollack, PhD

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Harold Pollack is the Helen Ross Professor at the School of Social Service Administration. His research explores substance use among low-income women and its consequences for welfare reform.  Pollack's research indicates that psychiatric disorders such as major depression and generalized anxiety are far more common than substance abuse or dependence. 

Julia Rosebush, DO, FAAP

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Julia Rosebush, DO, FAAP, completed her medical training at the Michigan State University College of Osteopathic Medicine and her Pediatrics residency at Nationwide Children’s Hospital at The Ohio State University. Subsequently, she worked with the Baylor International Pediatric AIDS Initiative in Botswana as an HIV specialist before returning to the U.S. to complete a fellowship in Infectious Diseases at Emory University.  In 2014, she accepted an Assistant Professorship at The University of Chicago in the Section of Pediatric Infectious Diseases where she currently serves as the Medical Director of Care2Prevent (C2P), the University of Chicago’s Pediatric/Adolescent HIV Program.

Darrell Wheeler, PhD, MPH

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Darrell Wheeler is the Dean of the School of Social Work at Loyola University. He completed his PhD in Social Work and MPH at the University of Pittsburgh, and was the associate dean for research and community partnerships at Hunter College in New York City before accepting a position at Loyola.

Section of Infectious Diseases and Global Health at University of Chicago Medicine

This high-achieving group of clinicians, professors, and researchers represents a range of experience spanning both continents and generations of care in HIV/AIDS and other infectious diseases. The unique perspective, knowledge base, and approach to patient care and prevention that each of them brings to CCHE is fundamental to our success.

Jean-Luc Benoit, MD, PhD

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Dr. Benoit’s academic interests mostly include teaching infectious diseases to medical school students, internal medicine residents, and infectious disease fellows. He founded the University of Chicago ACGME-accredited Infectious Diseases Fellowship Program in 2004 and has been the fellowship program director since.

Michael David, MD, PhD, MS

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Dr. David focuses his research on the epidemiology of methicillin-resistant Staphylococcus aureus (MRSA) in the health care setting and in the community. He has studied MRSA and its control in a variety of settings including jails, gymnasiums, rural Alaska, and health care facilities.

Emily Landon, MD

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Dr. Landon's research is focused on improving care, specifically reducing the risk of healthcare-associated infection and optimizing antimicrobial utilization.

Jen Pisano, MD

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Dr. Pisano’s academic interests include studying the etiologies of febrile neutropenia in patients receiving cytotoxic chemotherapy and the contribution of the gut microflora to the development of GI diseases in patients receiving stem cell transplantation. As Associate Director of the Antimicrobial Stewardship Program, she is also interested in improving the quality of patient care in regards to antibiotic prescribing practices and inpatient to outpatient care transitions.

Kenneth Pursell, MD

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Dr. Pursell is the Chief Infectious Disease Consultant to all transplants performed at the University of Chicago, including heart and lung transplants. He is a widely respected Transplant Specialist Infectious Disease Physician, who also plays a vital role in education at the University of Chicago. Dr. Pursell is interested in developing a surrogate marker of immune function to identify transplant patients at risk for invasive fungal infections. He also studies solid organ transplantation in HIV patients.

Renslow Sherer, MD

Dr. Sherer is the Director of the International AIDS Training Center at the University of Chicago. In addition, Dr. Sherer has been active in HIV clinical research and in the design and implementation of clinical trials, in HIV prevention programs, and in local and federal policy on HIV/AIDS since the early 1980s. 

Stephen Weber, MD, MS

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Dr. Weber is the Chief Healthcare Epidemiologist and Medical Director of the Infection Control Program. His research interests focus on healthcare-associated infections, particularly those caused by multi-drug resistant organisms among hospitalized patients. With his research, Dr. Weber seeks to identify novel individual, population-based and institutional risk factors that influence the likelihood of these infections.