About our fellows

Our fellowship program provides advanced clinical training in all aspects of surgical critical care. Learn more about our fellows.

Acute Care Surgery Fellows

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Jake Holzemer, MD

Medical School: University of Toledo
Residency: OhioHealth Riverside Methodist Hospital

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Jinwei Hu, MD, MS

Medical School: The Ohio State University
Residency: University at Buffalo

Surgical Critical Care Fellows 

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Andy Chen, MD

Hometown: Miami, FL
Medical School: University Of Central Florida, College Of Medicine
Residency: Memorial Health University Medical Center/Mercer University

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Brandon Kiel, MD

Hometown: Fishers, IN
Medical School: Indiana University
Residency: OhioHealth Riverside Methodist Hospital

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Shawn Tsutsui, MD

Hometown: New York City, NY
Medical School: University of Virginia School of Medicine
Residency: Mount Sinai Health System

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Muhammad Usman, MD

Hometown: Rawalpindi, Pakistan
Medical School: Shifa College of Medicine, Islamabad
Residency: University Hospitals Cleveland Medical Center

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Casey Walk, MD

Hometown: Dayton, OH
Medical School: Wright State University Boonshoft School of Medicine
Residency: Wright State University Boonshoft School of Medicine