General Surgery Residency Team

The Surgery department encompasses general surgery, pediatric surgery, vascular surgery and bariatric surgery.

Because of their teaching responsibilities, many of these surgeons are clinical adjunct professors of surgery at the University of Wisconsin School of Medicine and Public Health.

General Surgery is divided into the following teams:

Team A: Vascular and pediatric surgery

• Clark A. Davis, MD, vascular surgery
• Luke Pesonen, MD, vascular surgery
• Laura Peterson, MD, vascular surgery
• Irina Shakhnovich, MD, vascular surgery
• Jeffery Du Bois, MD, pediatric surgery
• Kevin Riggle, MD, pediatric surgery

Team B: Bariatric, colorectal, foregut, GI and hernia

• Brandon T. Grover, DO, general, bariatric and advanced laparoscopic surgery
• Hope Guzzo, MD, general, breast surgery
• Michitaka Kawata, MD, general, colon and rectal surgery
• Kate Mellion, MD, general, bariatric and advanced laparoscopic surgery
• David Nelms, MD, general, colon and rectal surgery
• Joshua D. Pfeiffer, MD, general, bariatric and advanced laparoscopic surgery

Team C: Acute care surgery, critical care and trauma

• Mason G. Fisher, MD
• Jamie L. Prather, MD
• Nolan Rudder, DO
• Christine J. Waller, MD

Team D: General Surgery—breast, colorectal, endocrine, GI, hepatobiliary and pancreas

• Benjamin T. Jarman, MD, general, hernia, laparoscopic surgery and colon and rectal
• Melissa K. Johnson, MD, general, breast and endocrine surgery
• Stephen B. Shapiro, MD, general, colon and rectal surgery
• Travis J. Smith, MD, general, laparoscopic, robotic and hepatobiliary surgery
• Leroy J. Trombetta, MD, general, breast, hernia and acute care surgery

Team E: Chief surgery resident service

• This service is staffed by the attending surgeons and is the responsibility of our chief residents.