Meet Our Doctors
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Rakesh Navuluri, MD, specializes in vascular and interventional radiology. Guided by imaging technology and using tiny, specialized instruments, Dr. Navuluri performs diagnosis and treatment procedures related to blood vessel disorders, cancer, hypertension, venous access and other conditions.
Dr. Navuluri is the director of the IR residency and vascular & interventional radiology fellowship programs. He also serves as the education chief for the Section of Vascular and Interventional Radiology. Dr. Van Ha serves as director of clinical research within the Department of Radiology. He also sits on the Institutional Review Board at The University of Chicago.
A local and national leader in the education of radiologists, Dr. Van Ha has led courses and moderated scientific sessions at the national meetings of major radiological associations across the country. He has authored or coauthored over 50 journal articles, as well as several book chapters and textbooks. He is coordinator of the Society of Interventional Radiology Fellows Spring Practicum held annually in Chicago. Dr Osman Ahmed is an Assistant Professor of Vascular and Interventional Radiology with a special focus in treating both acute and chronic venous thromboembolic disease, pulmonary embolism, and complex IVC retrieval. He has published numerous articles on IVC filters and the management of deep venous thrombosis while also presenting on the topic on a national and international level.
He currently serves as social media editor for the Journal of Vascular and Interventional Radiology (JVIR), economic committee member for the Society of Interventional Radiology, and sits as an expert panel for vascular imaging for the American College of Radiology Appropriateness Criteria. Dr Ahmed also has academic interest in clinical research and editorial review. Aside from publishing in medical journals, he was nominated twice for the JVIR “top reviewer” award. |
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Dr. Zangan serves as the associate director of the diagnostic radiology residency program. A local and national leader in the education of radiologists, Dr. Zangan has led courses and moderated scientific sessions at the national meetings of major radiological associations across the country. He has authored or coauthored more than 20 journal articles, as well as several book chapters and textbooks.
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Brian Funaki, MD, FSIR, FAHA, FCIRSE
Professor of Radiology Chief, Vascular & Interventional Radiology |
An internationally recognized expert in vascular and interventional radiology, Brian Funaki, MD, performs the full range of vascular and non-vascular interventions, including angioplasty, stenting, thrombolysis and embolization, as well as transplant-related procedures. Guided by state-of-the art imaging techniques, Dr. Funaki manipulates and directs tiny instruments throughout the body for both diagnostic and treatment purposes. These minimally invasive procedures are often used as "smaller, faster, safer, better" alternatives to traditional open surgery.
Dr. Funaki has more than 150 publications listed in the U.S. National Library of Medicine on a broad range of vascular and non-vascular image-guided interventions. The vast majority of his research is focused on patient care and immediately translated to clinical practice. His research interests include super selective embolization. Throughout his career, Dr. Funaki has been appointed to many scientific and academic committees. He is a member of the Executive Council of the Society of Interventional Radiology. An avid writer, he has authored two books and 11 book chapters. He is frequently invited to contribute articles and editorials for scientific journals, and has presented over 100 invited lectures at universities and national and international medical meetings. Dr. Funaki is an associate editor of the Journal of Vascular and Interventional Radiology. He served as editor-in-chief for Seminars in Interventional Radiology from 2004-2011 and is the co-editor in chief of Updates in Interventional Radiology. He has earned many awards and distinctions, including being listed as one of the "Best Doctors in America" by Best Doctors Inc. |
Jonathan Lorenz, MD, FSIR
Professor of Radiology |
Jonathan Lorenz, MD, is an expert in interventional radiology for adults and children. Using image guidance and manipulating tiny instruments, he performs minimally invasive procedures for diagnostic and treatment purposes. These techniques often allow patients to avoid open and more invasive procedures.
A local and national leader in the education of radiologists, Dr. Lorenz has led courses and moderated scientific sessions at the national meetings of major radiological associations across the country. He is the author or coauthor of more than 80 journal articles, publications and abstracts, as well as several book chapters and textbooks. Dr. Lorenz serves as manuscript reviewer for the American Journal of Roentgenology and the Journal of Vascular and Interventional Radiology. |
Jeffrey Leef, MD
Associate Professor of Radiology |
Dr. Leef is responsible for training an entire generation of interventional radiologists including many of the faculty at The University of Chicago. He has authored or coauthored more than 60 journal articles, in addition to several book chapters.
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