Department of Surgery

People

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Timothy R. Billiar, MD
George Vance Foster Professor and Chair, Department of Surgery
412-647-1749
Interests
mechanisms involved in acute cellular and organ injury in inflammatory states such as shock, trauma, and sepsis

Vice Chairs

David L. Bartlett, MD
Vice Chair, Surgical Oncology Services,
412-692-2852
Interests
tumor selective oncolytic vaccinia viruses; immunotherapy; regional cancer therapies; HIPEC; peritoneal surface malignancies; translational research; peritoneal mesothelioma; therapeutic cancer vaccines
Jennifer M. Holder-Murray, MD, FACS
Vice Chair for Quality Integration
877-684-7189
Interests
optimizing perioperative care; microbiome; colorectal diseases
Kenneth K. W. Lee, MD
Vice Chair for Graduate Medical Education
412-647-0457
Interests
severe acute pancreatitis; metastases in pancreatic cancer; metastatic disease in colon cancer; minimally invasive pancreatic surgery; surgical skills training and assessment
Michael T. Lotze, MD
Vice Chair of Research
412-623-6790
Interests
DAMPs and their receptors, specifically focusing on HMGB1 and RAGE
Andrew B. Peitzman, MD
Executive Vice-Chair
412-647-0635
Interests
study of hemorrhagic shock and trauma and the response to injury
Allan Tsung, MD
Vice Chair of Research
412-692-2001
Interests
innate immune activation in ischemic liver injury; tumor microenvironment in metastatic liver cancer; HCC signaling pathways in development and progression; liver cancer therapy
Mark A. Wilson, MD, PhD
Chief of Surgery and Medical Director, Surgical Service, VA Pittsburgh Healthcare System
866-482-7488
Interests

Division Chiefs

Sally E. Carty, MD, FACS
Chief, Division of Endocrine Surgery
412-647-0467
Interests
minimally invasive parathyroid and thyroid surgery; multiple endocrine neoplasia Syndromes; immunohistochemical, allelic, and molecular predictors of endocrine malignancy
Anita P. Courcoulas, MD, MPH, FACS
Chief, Division of Minimally Invasive & Metabolic Surgery
412-641-3678
Interests
metabolic surgery to treat type 2 diabetes; long-term health outcomes of bariatric surgery; evaluation of new surgical technology and devices
Emilia J. Diego, MD
Section Chief, Breast Surgery
412-641-6729
Interests
breast cancer in young women; high risk breast lesions
David A. Geller, MD
Chief, Division of Hepatobiliary and Pancreatic Surgery
412-692-2001
Interests
transcriptional regulation of the human iNOS gene; molecular mechanisms of liver injury; liver transplant ischemia/reperfusion injury; gene therapy for liver cancer; HCC signaling pathways; liver cancer therapy
George K. Gittes, MD
Chief, Division of Pediatric Surgery
412-692-7291
Interests
Smad regulation of pancreatic islet formation
Abhinav Humar, MD
Chief, Division of Abdominal Transplantation Surgery
412-692-4553
Interests
partial liver transplants and hepatic regeneration; kidney, liver and pancreas transplant outcomes; CMV disease in transplantation
Michel S. Makaroun, MD
Chief, Division of Vascular Surgery
412-802-3034
Interests
endovascular aneurysm repair and dissection; biomechanical predictors of aneurysm rupture; carotid artery stenting
David S. Medich, MD, FACS, FASCRS
Chief, Division of Colon and Rectal Surgery
412-647-1705
Interests
management of patients with rectal carcinoma utilizing multidiscipline care, novel minimally invasive surgery, and rectal preservation
William R. Wagner, PhD
Director, McGowan Institute for Regenerative Medicine
Interests
medical device biocompatibility and design; cardiovascular tissue engineering; targeted vascular imaging
Mark A. Wilson, MD, PhD
Chief of Surgery and Medical Director, Surgical Service, VA Pittsburgh Healthcare System
866-482-7488
Interests
Linwah Yip, MD
Chief, Division of Breast and Endocrine Surgery
412-647-0467
Interests
role of molecular markers in thyroid cancer patients
Herbert J. Zeh III, MD, FACS
Chief, Division of Gastrointestinal Surgical Oncology
412-692-2852
Interests
role of DAMPs/RAGE in pancreatic cancer
Brian S. Zuckerbraun, MD, FACS
Chief, Division of General/Trauma and Acute Care Surgery
412-692-2850
Interests
acute inflammatory response in the liver and vasculature following injury from trauma/hemorrhagic shock, sepsis, or direct vascular injury

All People

Abhisekh Mohapatra, MD
Vascular Surgery Resident, T32 Resident Trainee (Tzeng Lab)
412-648-0273
Kanishka Mohib, PhD
Research Instructor
412-383-6960
Interests
role of effector B cells in transplant rejection and tolerance
Michele Molinari, MD, MSc, FACS
Associate Professor of Surgery
412-647-5800
Interests
decision analysis in transplant, hepatobiliary and pancreatic surgery; impact of obesity in transplant surgery
Kevin P. Mollen, MD
Samuel P. Harbison Assistant Professor
412-692-7282
Interests
pediatric inflammatory bowel disease
Adrian E. Morelli, MD, PhD
Professor of Surgery and Immunology
412-624-2193
Interests
function of professional Ag-presenting cells during transplant rejection and transplant tolerance/immune-suppression
Michael J. Morowitz, MD, FACS
Associate Professor of Surgery
412-692-7282
Interests
pathogenicity of intestinal microbes in milk-fed and formula-fed premature infants
JB Moses, MD
General Surgery Resident (PGY-1)
Maggie Mrozinski
General Surgery Residency Coordinator
412-647-3389
Sara Myers, MD, MS
General Surgery Resident (PGY-4 - Lab)
Madhusudanan Nair, MD
Clinical Assistant Professor of Surgery
412-664-2850
Toshimasa Nakao
Visiting Scholar, Geller Lab
Rami A. Namas, MD
Research Assistant Professor of Surgery
412-648-7866
Interests
inflammatory processes and diseases
Nandan Nath, MD
T32 Postdoctoral Fellow, Tzeng Lab
Matthew D. Neal, MD, FACS
Assistant Professor of Surgery and Critical Care Medicine
412-692-2850
Interests
coagulopathy and hemostasis in trauma and sepsis; clinical outcomes in trauma/hemorrhagic shock and massive transfusion; red blood cells; surgical rescue
Kristina Nicholson, MD
General Surgery Resident (PGY-4 - Lab)
Matthew L. Nicotra, PhD
Assistant Professor of Surgery and Immunology
412-648-0177
Interests
allorecognition; genomics; molecular genetics; invertebrate zoology; molecular evolution; comparative immunology; innate immunity; transplantation
Mylarappa B. Ningappa, PhD
Research Assistant Professor
412-692-9196
Yazdani Hamza Obaid
Visiting Scholar, Tsung Lab
412-648-1474
Martin Oberbarnscheidt, MD, PhD
Research Assistant Professor of Surgery
412-648-1491
Interests
innate allorecognition in transplantation; renal dendritic cell network
Frances Okolo, MD
General Surgery Resident (PGY-4 - Lab)
Elizabeth Pace, MD
General Surgery Resident (PGY-1)
Kathy Papciak
Financial Research Administrator (Post-award), Financial Administrator for Pediatric Surgery Division
412-647-0803
Maryann E. Payne, MD, FACS
Clinical Assistant Professor
724-347-7700
Michelle Peters
Administrator, Division of Pediatric Surgery
412-692-6219
Jon D. Piganelli, PhD
Associate Professor of Surgery, Immunology, and Pathology
412-692-7498
Interests
immunology and autoimmunity; type 1 diabetes
James F. Pingpank Jr., MD, FACS
Visiting Associate Professor of Surgery
412-692-2852
Interests
treatment of primary and metastatic gastrointestinal cancers and advanced malignancies of the liver and peritoneal cavity
Luka Pocivavsak, MD, PhD
General Surgery Resident (PGY-5)
Douglas A. Potoka, MD, FACS, FAAP
Associate Professor of Surgery
412-692-8778
Interests
pediatric trauma center outcomes; peroxynitrite; lung development; congenital diaphragmatic hernia
Krishna Prasadan, PhD
Research Assistant Professor of Surgery
412-692-9211
Interests
role of notch-signaling pathway during pancreatic beta cell differentiation; intra-endocrine regulation of beta cell differentiation during pancreas development
Rachael Price
Administrative Assistant, Billiar Lab
412-864-0778
Judith Procopio
Executive Administrator, Department of Surgery
412-623-2934
Juan C. Puyana, MD
Professor of Surgery, Critical Care Medicine, and Clinical Translational Science
412-647-0421
Interests
promoting research, educational opportunities, and clinical collaboration internationally
Mengfan Qi
Visiting Scholar, Fan Lab
412-648-2081
Mostafa H. Ramadan, MD
Clinical Assistant Professor of Surgery
412-782-2400
Ramesh Chandran Ramanathan, MD, FRCS
Assistant Professor of Surgery
412-641-3668
Interests
bariatric surgery; surgical oncology
Balathiripurasundari Ramaswami, PhD
Research Instructor
412-648-1427
Interests
transplant immunology; immunological tolerance; viral transplant immunology
Rafael Ramos-Jimenez, MD
General Surgery Resident (PGY-3)
Richard E. Redlinger Jr., MD
Clinical Assistant Professor of Surgery
412-802-3333
Danielle Reiser
Research Specialist, Billiar Lab
412-647-6273
Caroline Reiser, MD
General Surgery Resident (PGY-3)