
Bracken Armstrong, MD
Adjunct Assistant Professor of Surgery, Acute and Critical Care Surgery
Residency: Surgery residency, University of Nevada School
of Medicine, Las Vegas
Fellowship: Trauma and surgical critical care, acute care surgery and burn surgery, Vanderbilt University Medical Center, Nashville, Tenn.
Clinical Interests: C-STARS (Center for Sustainment of Trauma and Readiness Skills) U.S. Air Force Program training, surgical education, sepsis and septic shock, traumatic hemorrhagic shock, emergency general surgery, perioperative pain management, delirium, burns, elective general surgery
Research Interests: Perioperative trauma education and training, distributive shock mechanisms and management, bedside ultrasonography in critical care, battlefield hemorrhage

Aneel Damle, MD, MBA
Instructor of Surgery, Colorectal Surgery
Residency: General surgery, University of Massachusetts
Medical School, Worcester, Mass.
Fellowship: Colon and rectal surgery, Washington University in St. Louis
Clinical Interests: Minimally invasive surgery,
colon and rectal cancer, inflammatory bowel disease, diverticulitis and anorectal diseases
Research Interests: Quality improvement and patient safety, cost reduction

Kefu Du, MD
Assistant Professor of Surgery, Urologic Surgery
Residency: Urology, University of Utah, Salt Lake City
Fellowship: Minimally invasive surgery, endourology,
Washington University in St. Louis
Clinical Interests: Kidney tumor/cancer, prostate cancer, adrenal tumor/cancer, testicular cancer, ureteral cancer, bladder cancer, urinary stone disease, robotic-assisted radical prostatectomy, bladder surgeries, robotic, laparoscopic, and open surgeries of the adrenal gland, kidneys, ureters, percutaneous nephrolithotomy
Research Interests: Minimally invasive surgery, stone disease

Andrew Hall, MD
Adjunct Assistant Professor of Surgery, Acute and Critical Care Surgery

Sara Holden, MD
Assistant Professor of Surgery, Minimally Invasive Surgery
Residency: General surgery, University of Wisconsin Hospital and Clinics, Madison
Fellowship: Minimally invasive surgery, Washington University in St. Louis
Clinical Interests: Abdominal wall hernia repair (ventral, incisional and inguinal hernias), minimally invasive (robotic and laparoscopic) management of hernias and benign foregut disorders (achalasia, hiatal hernias, paraesophageal hernias), gastroesophageal reflux disease (GERD), endoscopic treatment of achalasia (POEM), gallbladder surgery, solid organ surgery (adrenal, spleen)
Research Interests: Clinical outcomes of abdominal wall hernia repair, medical student and resident surgical education curriculum development, designing patient education tools to facilitate shared surgical decision-making

Mark H. Hoofnagle, MD, PhD
Assistant Professor of Surgery

Eric Kim, MD
Assistant Professor of Surgery, Urologic Surgery
Residency: Urology, Washington University School of Medicine
Fellowship: Minimally invasive oncology, Division of Urology, Washington University School of Medicine in St. Louis
Clinical Interests: Robotic surgery for bladder, kidney, and prostate cancer; robotic bladder removal with urinary reconstruction (e.g., neobladder), robotic partial and total kidney removal, robotic prostate removal, as well as robotic reconstruction of the urinary tract (e.g. pyeloplasty, ureteral reimplant).
Research Interests: Improving the diagnosis and management of prostate cancer, specifically with magnetic resonance imaging of the prostate; comparing minimally invasive treatment options for urologic cancers

Jae- Sung Kim, PhD
Professor of Surgery, Urologic Surgery
Post-doctoral Education: PhD, Animal Health and Biomedical Sciences, University of Wisconsin, Madison
Postdoctoral Fellowship: Department of Cell & Developmental Biology, University of North Carolina, Chapel Hill, N.C.
Previous Faculty Appointments: Professor and Vice Chair for Research, Department of Surgery, Saint Louis University; Professor, Department of Surgery, University of Florida, Gainesville, Fla.; Research Assistant Professor, Department of
Anesthesiology/Cell and Developmental Biology, University of North Carolina, Chapel Hill, N.C.
Research Interests: Developing new therapeutic strategies against ischemia/reperfusion injury in the liver

Piroska Kopar, MD
Assistant Professor of Surgery, Acute and Critical Care Surgery
Residency: General surgery, Dartmouth Hitchcock Medical Center, Lebanon, N.H.
Fellowships: Acute care, surgery, trauma and surgical critical care, Yale School of Medicine/Yale New Haven Hospital; surgical education, Association
for Surgical Education; cardiac surgery, Dartmouth-Hitchcock Medical Center;
medical ethics, Harvard Medical School
Clinical Interests: Clinical ethics in surgery and in intensive care unit, hemodynamic
monitoring in shock
Research Interests: Director of Center for Humanism and Ethics in Surgical Specialties: ethical issues in surgery, resource allocation in clinical medicine, medical ethics education

Kunal Kotkar, MD
Instructor of Surgery, Cardiothoracic Surgery
Fellowships: Mechanical circulatory support devices and heart transplant, Washington University School of Medicine; advanced cardiac surgery, Mayo Clinic
Clinical Interests: Coronary artery disease, coronary artery bypass surgery, valvular heart disease, mitral valve repair, mitral valve replacement, aortic valve replacement, aortopathies, root, ascending, hemiarch replacement, heart failure surgery, ventricular assist devices implantation, heart transplantation, extracorporeal life support
Research Interests: Heart failure

Jennifer Leonard, MD, PhD
Assistant Professor of Surgery, Acute and Critical Care Surgery
Residency: General surgery, Mayo Clinic College of Medicine, Rochester, Minn.
Fellowship: Trauma and surgical critical care, Hospital University of Pennsylvania, Philadelphia
Clinical Interests: Acute care surgery, trauma surgery, surgical critical care
Research Interests: Mechanisms of vascular endothelial inflammation, structure and function of the endothelial glycocalyx, in vitro models of hemorrhagic shock

Kiran Mahajan, PhD
Assistant Professor of Surgery, Urologic Surgery
Graduate Education: MSc, Master of Science in Biotechnology, MKU, Madurai, India
PhD, Indian Institute of Science, Bangalore, India
Postgraduate Training and Fellowship
Appointments: Lineberger Comprehensive
Cancer Center, 1998 – 2004
Research Interests: Epigenetic regulators in metastatic castrate-resistant prostate cancer

Nupam Mahajan, PhD
Professor of Surgery, Urologic Surgery

Michelle Medintz, MD
Adjunct Assistant Professor of Surgery, Acute and Critical Care Surgery

Ruben G. Nava-Bahena, MD
Assistant Professor of Surgery, Thoracic Surgery
Residency: General surgery, Washington University School of Medicine; general surgery, University of Washington, Seattle
Fellowship: Cardiothoracic surgery, Washington University School of Medicine in St. Louis
Clinical Interests: General thoracic surgery, lung transplantation, lung cancer, esophageal cancer, benign esophageal disease (paraesophageal and hiatal hernias, achalasia, esophageal diverticulum), minimally invasive thoracic surgery (VATS, robotic surgery), mediastinal masses
Research Interests: Lung transplant

Mitchell Pet, MD
Assistant Professor of Surgery, Plastic and Reconstructive Surgery
Residency: Plastic and reconstructive surgery, University of Washington Affiliated Hospitals, Seattle, Wash.
Fellowship: Hand and upper extremity surgery, Medstar Union Memorial Hospital, Curtis National Hand Canter, Baltimore, Md.
Clinical Interests: Free tissue transfer, other complex microsurgical reconstructive procedures; as part of cutaneous oncology multidisciplinary team, performs reconstruction after removal of cutaneous and musculoskeletal cancers, such as sarcoma, melanoma and basal or squamous cell carcinoma

Dominic Sanford, MD,MPHS
Assistant Professor of Surgery, Hepatobiliary-Pancreatic & GI Surgery
Residency: General surgery, Washington University in St. Louis
Fellowship: Hepatobiliary, pancreatic and liver transplant surgery, Washington University School of Medicine; minimally invasive hepatobiliary and pancreatic surgery, Mayo Clinic Florida, Weston, Fla.
Clinical Interests: Minimally invasive surgery of the pancreas, including Whipple and pancreatectomy; surgery of the bile ducts, liver, spleen and adrenal glands
Research Interests: Open and minimally invasive pancreas and liver surgery outcomes

Arjun Sivaraman, MD, MBBS, MS, MCH
Instructor in Surgery, Urologic Surgery
Urology residency: St. John’s Medical College Hospital, Bangalore, Karnataka, India; general surgery residency, Kasturba Medical College, Manipal, Karnataka, India
Fellowship: Urologic oncology, Memorial Sloan Kettering Cancer Center; robotic urologic surgery and focal therapy, Institute Mutualiste Montsouris, Paris, France
Clinical Interests: Prostate cancer PSA screening and prostate biopsy; robotic prostatectomy, HIFU, cryotherapy and IRE for prostate cancer; surgical treatment for kidney cancer, bladder cancer, testis cancer and penile cancer, benign prostate enlargement
Research Interests: Prostate cancer imaging, prostate biopsy methods, image-guided ablation of prostate cancer, treatment modalities for prostate cancer

Radhika K. Smith, MD
Assistant Professor of Surgery, Colorectal Surgery
Residency: Department of General Surgery, Temple University Hospital, Philadelphia
Fellowship: Division of Colorectal Surgery, Cleveland Clinic Florida, Weston, Fla.
Clinical Interests: Diseases of the colon, rectum and anus
Research Interests: Rectal cancer, inflammatory bowel disease and benign colon pathology

Zachary Smith, MD
Assistant Professor of Surgery, Urologic Surgery
Residency: Urology, University of Pennsylvania, Philadelphia
Fellowship: Urologic oncology, The University of Chicago
Clinical Interests: Urologic oncology, bladder cancer, kidney cancer, testicular cancer, adrenal cancer, adrenalectomy
Research Interests: Bladder cancer, kidney cancer, testicular cancer, penile cancer, perioperative optimization of patients, clinical trials