| Faculty Appointments |
| 1994
- 1995 |
Instructor
in Surgery, Section of Surgical Oncology
The Johns Hopkins University School of Medicine
Baltimore, Maryland |
| |
|
| 1995 - 1999 |
Assistant Professor
of Surgery,
Section of Surgical Oncology (1995-1996)
Section of Hepatobiliary
Pancreatic and Gastrointestinal Surgery (1996-1999)
Washington University School of Medicine
St. Louis, Missouri |
| |
|
| 1999 - 2002 |
Associate Professor
of Surgery
Section of Hepatobiliary
Pancreatic and Gastrointestinal Surgery
Washington University School of Medicine
St. Louis, Missouri |
| |
|
| 2002 - 2004 |
Professor of
Surgery and
Molecular Biology & Pharmacology
Washington University School of Medicine
St. Louis, Missouri |
| |
|
| 2004 - present |
Professor of Surgery
University of Pennsylvania School of Medicine
Philadelphia, Pennsylvania |
| |
|
| 2005 - present |
William Maul Measey
Professor of Surgical Research
University of Pennsylvania School of Medicine
Philadelphia, Pennsylvania |
| |
|
| 2009 - present |
John Rhea Barton
Professor
University of Pennsylvania School of Medicine
Philadelphia, Pennsylvania |
| |
|
| Hospital and Administrative Appointments |
| 1994 - 1995 |
Assistant Chief,
Halsted Surgery Service
The Johns Hopkins Hospital
Baltimore, Maryland |
| |
|
| 1994 - 1995 |
Assistant Chief
The Johns Hopkins-Bayview Medical Center
Baltimore, Maryland |
| |
|
| 1995 - 2004 |
Attending Surgeon
Barnes-Jewish Hospital
St. Louis, Missouri |
| |
|
| 1995 - 1999 |
Attending Surgeon
St. Louis Regional Medical Center
St. Louis, Missouri |
| |
|
| 1995 - 2004 |
Attending Surgeon
The John Cochran Veterans Administration Hospital
St. Louis, Missouri |
| |
|
| 1995 - 2004 |
Member, Washington
University
A.J. Siteman Cancer Center
St. Louis, Missouri |
| |
|
| 2004 - present |
Chief, Division
of Gastrointestinal Surgery
Hospital of the University of Pennsylvania
Philadelphia, Pennsylvania |
| |
|
| 2009 - present |
Chairman, Depatment
of Surgery
Hospital of the University of Pennsylvania
Philadelphia, Pennsylvania |