Program Directors
Program Director

Federico Perez, MD
Associate Professor of Medicine, Case Western Reserve University
Director, Fellowship Program, Division of Infectious Diseases & HIV Medicine
Infectious Diseases, Louis Stokes Cleveland VA Medical Center
Research interest: Antimicrobial resistance
Louis Stokes Cleveland VA Medical Center Site Director

Usha Stiefel, MD
Associate Professor of Medicine, Case Western Reserve University School of Medicine
Section Chief, Division of Infectious Diseases, Louis Stokes VA Medical Center
Research interest: Dr. Stiefel's research is focused on mechanisms by which the (predominantly anaerobic) indigenous intestinal microbiota prevents colonization by exogenous, antibiotic-resistant, potentially pathogenic microorganisms. Also, has a secondary interest in the pathogenesis of infection and/or colonization with Staphylococcus aureus, particularly community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA).
MetroHealth Medical Center Site Director

Robert C. Kalayjian, MD
Associate Professor of Medicine, Case Western Reserve University School of Medicine
Director of Infectious Diseases, MetroHealth Medical Center
Research interest: Dr. Kalayjian's research interest focuses on the AIDS Clinical Trials Unit and interactions of aging with HIV disease.