Valentina Stosor

Valentina Stosor is a Professor at the Feinberg School of Medicine, Northwestern University, with appointments in the Departments of Medicine (Infectious Diseases) and Surgery (Organ Transplantation). She specializes in clinical care for immunocompromised patients, including those with HIV, viral hepatitis, and organ transplants, with a focus on infections in ventricular assist devices and HIV-positive transplant recipients.

• MD: Washington University School of Medicine (1992)
• Internship, Residency, and Fellowships at Northwestern University (1993–1998)

Her research spans infectious diseases and transplant medicine, emphasizing HIV-related complications, viral hepatitis, and infection prevention in transplant recipients. Recent work includes studies on kidney donor inflammation, Candida auris outbreaks in transplant ICUs, vision-related barriers to HIV care, and gut microbiome dynamics in aging populations. Publications reflect collaborations with multicenter teams like the HOPE in Action Consortium.

Scientific accolades include Fellowships from the American College of Physicians (2010) and Infectious Diseases Society of America (2012), alongside a High Impact Clinical Paper award (2011). She contributes to professional societies, including the International Society for Heart and Lung Transplantation (ID Council, 2009–present) and editorial roles (Associate Editor, ID Cases, 2024–present).

Dr. Stosor leads initiatives in transplant infection control and participates in the MACS-WIHS Combined Cohort Study committees. Her clinical practice is affiliated with Northwestern Memorial Hospital, and she is part of the Comprehensive Transplant Center and NUCATS.