Our Faculty
Chandrakanth Are, MBBS, MBA, FSSO, FRCS, FACS
Jerald L. and Carolynn J. Varner Professor of Surgical Oncology and Global Health
Professor, UNMC Department of Surgery, Division of Surgical Oncology
Associate Dean, Graduate Medical Education, College of Medicine
Vice Chair Education, UNMC Department of Surgery
CEO, Global Forum of Cancer Surgeons

Christopher D. Barrett, MD
Assistant Professor, UNMC Department of Surgery, Division of Acute Care Surgery

Rishi Batra, MD, MBA, FACS
Assistant Professor, UNMC Department of Surgery, Division of Colon & Rectal Surgery

Zachary Bauman, DO, MHA, FACOS, FACS
Associate Professor, UNMC Department of Surgery, Division of Acute Care Surgery
Trauma Medical Director, Nebraska Medicine
Chest Wall Injury Program Medical Director, Nebraska Medicine

David B. Berkheim, MD
Associate Professor, UNMC Department of Surgery
Division of Cardiothoracic Surgery
Medical Director, Thoracic Cancer Program

Bennett Berning, MD
Assistant Professor, UNMC Department of Surgery, Division of Acute Care Surgery
Assistant Surgery Clerkship Director, UNMC
Surgical ICU Medical Director

Claudia Berrondo, MD, FACS, FAAP
Assistant Professor, UNMC Department of Surgery, Division of Urologic Surgery
Associate Program Director, UNMC Pediatric Urology Fellowship
Director of Robotic Surgery, Children's Nebraska

John Bishay, MD
Adjunct Assistant Professor, UNMC Department of Surgery, Division of Urologic Surgery

Samuel R. Brown, MD
Assistant Professor, UNMC Department of Surgery
Division of Cardiothoracic Surgery

Keely Buesing, MD, FACS
Associate Professor, UNMC Department of Surgery, Division of Acute Care Surgery
Director of Research, Division of Acute Care Surgery

Emily Cantrell, MD, FACS
Associate Professor, UNMC Department of Surgery, Division of Acute Care Surgery
Associate Trauma Medical Director, UNMC

Anthony W. Castleberry, MD, MMCi
Associate Professor, UNMC Department of Surgery
Division of Cardiothoracic Surgery
Surgical Director – Extracorporeal Life Support and ECMO Program

Sam Cemaj, MD, FACS, FCCM
Associate Professor, UNMC Department of Surgery, Division of Acute Care Surgery

Andrew Christiansen, MD
Assistant Professor, UNMC Department of Surgery, Division of Urologic Surgery

Jason R. Cook, MD, PhD, FACS, RPVI
Assistant Professor, UNMC Department of Surgery
Division of Vascular Surgery
