Ryan Kohlbrenner

Ryan Kohlbrenner, MD, is an Associate Professor in Interventional Radiology at the University of California, San Francisco (UCSF), within the Department of Radiology and Biomedical Imaging. He specializes in interventional radiology with a focus on minimally invasive procedures for benign and malignant conditions. His clinical interests include prostate artery embolization for BPH, liver and kidney ablations, and transarterial interventions for hepatocellular carcinoma. His research centers on radiation dose reduction, computer-aided diagnosis, and image processing.

Education & Training:

• Medical School: University of Chicago Pritzker School of Medicine (2010)
• Internship: Washington University/Barnes-Jewish Hospital (2011)
• Residency: UCSF Diagnostic Radiology (2015, Chief Resident)
• Fellowship: UCSF Interventional Radiology (2016)

Research Interests: Dr. Kohlbrenner’s work integrates clinical practice with innovations in imaging technology. He develops methods to reduce radiation exposure during interventional procedures and explores AI-driven tools for diagnostic accuracy. His clinical research emphasizes cost-effectiveness analyses of treatments like prostate artery embolization versus surgical alternatives.

Awards & Honors:

• Graduated with Honors, Alpha Omega Alpha Honor Society (2009)
• Computer Science Achievement Award, University of Southern California (2006)

Labs/Teams: Active in UCSF’s Interventional Radiology division, collaborating on multidisciplinary projects involving oncology, urology, and hepatology.