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
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
Assistant 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
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
Ruofan Qi
Visiting Scholar, Wang Lab
412-647-5589
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)
Katherine Reitz, MD
General Surgery Resident (PGY-3)
Jinghua Ren
Visiting Scholar, Tsung Lab
Ward M. Richardson, MD
Assistant Professor of Surgery
412-692-7280
Interests
congenital and acquired, benign and malignant, and open and minimally invasive pediatric surgery and trauma
Walter E. Rizzoni, MD, FACS
Assistant Professor of Surgery
814-877-5600
Interests
peripheral vascular surgery; carotid artery and aneurysm surgery; adult cardiac surgery; vein laser procedures
Shari Rogal, MD, MPH
Assistant Professor of Surgery
412-360-6177
Interests
improving waitlist and transplant outcomes
Matthew B. Rogers, PhD
Research Assistant Professor
412-692-9204
Interests
16S profiling; metagenomic sequencing; whole genome sequencing of bacteria, viruses and microbial eukaryotes; RNAseq of animals and microbial eukaryotes
Matthew Randall Rosengart, MD, MPH
Professor of Surgery and Critical Care Medicine
412-647-0597
Interests
inflammation during sepsis; critical illness; trauma system organization and infrastructure
David M. Rothstein, MD
Professor of Surgery, Medicine, and Immunology
412-648-7154
Interests
immune tolerance and immunoregulation in allograft and autoimmune settings; regulatory T cells; regulatory and effector B cells
Joshua T. Rubin, MD
Professor of Surgery
412-692-2862
Ulka Sachdev-Ost, MD
Associate Professor of Surgery
412-802-3036
Interests
angiogenesis; innate immunity; lower extremity ischemia; platelet-leukocyte interactions
Karim Salem, MD
Vascular Surgery Resident, T32 Resident Trainee (Tzeng Lab)
412-648-0273
Javier Salgado, MD
Assistant Professor of Surgery
877-684-7189
Nicole Santerre
T32 Postdoctoral Fellow, Billiar Lab
412-547-5892
Indranil Sau, MBBS, MS, MRCS, FRCS
Clinical Assistant Professor of Surgery
412-692-7292
Interests
necrotizing enterocolitis; intestinal failure in children
Adrienne Scarpino
Administrative Manager
412-647-2992
Lukas Schimunek
Academic Health Sciences Research Fellow, Vodovotz Lab
Eva Schmelzer, PhD
Research Associate Professor of Surgery
412-383-6673
Interests
liver cell biology; stem cell biology; 3-D bioreactors; regenerative medicine; tissue engineering
Stefan Scholtz, MD, PhD, FACS, FAAP
Assistant Professor of Surgery
412-692-8447
Interests
robotics and sonography in pediatric surgery; minimally invasive pediatric and neonatal surgery; pediatric chest wall deformities; pediatric HPB surgery
Wolfgang H. Schraut, MD
Professor of Surgery
412-647-0311
Vaishali D. Schuchert, MD
Clinical Assistant Professor of Surgery and Critical Care Medicine
412-692-2850
Interests
education and mentorship in surgery and surgical critical care
Melanie J. Scott, MD, PhD
Research Assistant Professor of Surgery
412-647-5806
Interests
innate immune responses to trauma and infection with a focus on inflammasome activation
Harry W. Sell Jr., MD, FACS
Clinical Associate Professor of Surgery
412-281-2255
Interests
practice of general surgery; research, teaching, and development of surgical residents
Khalid M. Shalaby, MD, PhD, FRCS, FACS
Clinical Assistant Professor of Surgery
412-672-3422
Interests
teaching of nurses, medical students, residents; clinical and educational research
Richard A. Shapiro
Research Instructor
412-647-5288
Interests
gene expression and regulation of nitric oxide synthase in hepatocytes; gene expression and regulation of MD2, HMGB1, TOLR2, 4, 9