We are pleased to announce and introduce our 2025-26 chief residents: Drs. Nathan Achilly, Brandon DeClouette, and Arianna Montes de Oca.
Chief Residents Announced for 2025-26

Department of
We are pleased to announce and introduce our 2025-26 chief residents: Drs. Nathan Achilly, Brandon DeClouette, and Arianna Montes de Oca.
We are proud to recognize the outstanding contributions of several department faculty members who are currently serving or have recently been appointed as examiners for the American Board of Anesthesiology (ABA) APPLIED Examination.
Dr. Dolores Njoku has been re-elected to a three-year term as a Faculty-at-Large Representative on the Faculty Practice Plan’s (FPP) Board of Directors.
On January 20, 2025, Dr. Renee Doherty started as a locum with our Pediatric Anesthesiology Division. Please take a moment to welcome her to the Department of Anesthesiology and WashU Medicine.
Jamie Brown-Shpigel, MD, and Mohammed Helwani, MD, MSPH, have been appointed as Assistant Residency Program Directors in the Department of Anesthesiology. In addition, Dr. Brown-Shpigel has also been appointed Trauma Fellowship Program Director.
Bhavi Mehta, MD, has been appointed as the Associate Division Chief for General Anesthesiology, effective December 1, 2024.
The department is pleased to announce the appointment of Branden Yee, MD, MPH, as the Interim Division Chief of Anesthesiology for the Barnes West County Division.
The department is excited to announce the appointment of Danish Jaffer, MD, as the Clinical Director of Labor and Delivery in the Division of Obstetric Anesthesiology, effective January 1, 2025.
The department is pleased to announce the appointment of Bradley Fritz, MD, as the inaugural Research and Informatics Director for Tele-Critical Care, effective July 1, 2024.
The department is pleased to announce the appointment of Colby Parks, MD, as associate professor and the new Director of Anesthesiology for the Washington University and Barnes-Jewish Orthopedic Center in Chesterfield (OC). Dr. Parks will officially take on this role effective January 6, 2025, bringing with him a wealth of experience and a commitment to excellence in patient care and medical education.
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