Clinical Divisions
Thomas J. Graetz, MD, MBA
Division Chief, Cardiothoracic Anesthesiology
- Email: graetzt@wustl.edu
Interim Admin: Lisa Parks
Stephen Gregory, MD
Division Chief, Perioperative Medicine; Medical Director, Center for Preoperative Assessment and Planning (CPAP)
- Email: shgregory@wustl.edu
Admin: Meredith McLaughlin
Ryan Guffey, MD
Program Director, Regional Anesthesia and Acute Pain Fellowship; Associate Professor, Anesthesiology
- Email: rguffey@wustl.edu
Admin; Lisa Parks
Mohammad Helwani, MD, MSPH
Assistant Residency Program Director of Ultrasound and Perioperative Technology Program; Associate Professor, Anesthesiology
- Email: helwanim@wustl.edu
Danish Jaffer, MD
Program Director, Obstetric Anesthesiology Fellowship; Assistant Professor, Anesthesiology
- Email: jafferd@wustl.edu
York Jiao, MD
Director of Clinical Informatics; Associate Professor, Anesthesiology
- Email: york.jiao@wustl.edu


