Theodoros Kelesidis, M.D., Ph.D.

  • Internal Medicine - Infectious Diseases and Geographic Medicine
  • Infectious Diseases

Biography

Theodoros Kelesidis, M.D., Ph.D., is an Associate Professor in the Department of Internal Medicine at UT Southwestern Medical Center. He specializes in the treatment of infectious diseases, including HIV infection and infections in immunocompromised patients.

Originally from Greece, Dr. Kelesidis earned his medical degree at Athens University Medical School. He completed a residency in internal medicine at St. Elizabeth’s Medical Center in Boston and gained advanced training in infectious diseases through a fellowship at the University of California, Los Angeles, where he also completed a doctorate in microbiology, immunology, and molecular genetics and a master’s degree in clinical and translational research.

Certified in infectious diseases by the American Board of Internal Medicine, he joined the UT Southwestern faculty in 2023.

Dr. Kelesidis’ research focuses on infectious diseases, immunology, and cardiometabolic complications of infectious diseases, including HIV infection. His lab integrates both basic and translational research platforms to apply tools from immunology, virology, molecular biology, and medicine to understand the immunopathogenesis of infectious diseases.

He is a member of the American College of Physicians, the American Heart Association, the American Medical Association, the Infectious Diseases Society of America, and the International AIDS Society, and he serves as an Associate Editor for the journals Metabolism: Clinical and Experimental and Frontiers in Microbiology.

A frequent national and international lecturer, Dr. Kelesidis has received several awards for his research. He is the author of more than 150 original research papers and numerous book chapters, reports, and reviews.

Personal Note

When he is not at work, Dr. Kelesidis enjoys traveling and spending time with his family.

Education & Training
  • Medical School - University of Athens School of Health Sciences, Greece (1998-2004)
  • Residency - St. Elizabeth's Medical Center (2006-2009), Internal Medicine
  • Other Post Graduate Training - University of California Los Angeles (2011-2013)
  • Undergraduate School - UCLA School of Medicine (2011-2013)
  • Fellowship - David Geffen School of Medicine at UCLA (2009-2013), Infectious Diseases
  • Undergraduate School - UCLA School of Medicine (2014-2016)
Professional Associations & Affiliations
  • American College of Physicians
  • American Heart Association
  • American Medical Association
  • Infectious Diseases Society of America
  • International AIDS Society
Honors & Awards
  • First Place Award in Basic Science Competition 2018, UCLA Department of Medicine Research Day
  • Top Reviewers in Immunology 2018, Web of Science
  • Top Reviewers in Biochemistry, Genetics, and Molecular Biology 2017, Web of Science
  • Outstanding Problem-Based Learning Tutor Award 2014-2018, David Geffen School of Medicine at UCLA
  • Young Investigator Award for Oral Presentation 2012, 19th Conferences on Retroviruses and Opportunistic Infections
  • Program Committee Choice Award 2011, Infectious Diseases Society of America Annual Meeting
  • Krishnaswamy Ramaswamy, M.D. House Officer Award for the Most Outstanding Medical Resident 2009, St. Elizabeth’s Medical Center, Tufts University
  • Physician’s Recognition Award with Commendation in Continuing Medical Education 2007-2009, American Medical Association
  • Teaching Award for Excellence in Teaching of Medical Students 2008, Tufts University
  • Commendation for Ranking First in Class 2004-2005, Athens University Medical School
Books & Publications
Research
  • Cardiometabolic disease
  • End organ disease associated with viral infections
  • HIV-associated cardiometabolic disease
  • Host-pathogen interactions
  • Immunology
  • Immunopathogenesis of HIV infection
  • Inflammation
  • Oxidative stress
  • Toxicity of antiretroviral therapy

Clinical Focus

  • Infectious Diseases

See More