Leadership & Faculty - Colon & Rectal Surgery Fellowship Program

William F. Johnston, MD

Program Director, Colorectal Fellowship Training Program

Special Interests: treating patients with complex colon and rectal disorders in an individualized, caring, and respectful manner utilizing minimally invasive surgical and advanced endoscopic techniques.

Matthew Zelhart, MD

Assistant Program Director, Colon and Rectal Surgery Fellowship Program

Special Interests: minimally invasive and endoscopic management of colorectal disorders.

Brian R. Kann, MD

Surgical Director, Inflammatory Bowel Disease
Chairman, Colon and Rectal Surgery

Special Interests: management of complex inflammatory bowel disease and colorectal malignancies.

Charles B. Whitlow, MD

Associate Medical Director for Surgical Services

Special Interests: transanal excision of rectal tumors, sphincter-preserving surgery for rectal cancer, and management of inflammatory bowel disease and its complications, diverticulitis, and advanced endoscopic techniques (EMR/ESD).

Jennifer L. Paruch, MD

Special Interests: complex management of inflammatory bowel disease, colorectal malignancies and pelvic floor disorders.

William Kethman, MD

Special Interests: minimally invasive management of colon and rectal cancers, inflammatory bowel disease, and pelvic floor disorders.

Danielle I. Kay, MD

Special Interests: treating patients with complex colon and rectal disorders utilizing robotic techniques.