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
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
Caroline Reiser, MD
General Surgery Resident (PGY-3)
Danielle Reiser
Research Specialist, Billiar Lab
412-647-6273
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
Janet Schaefer, CRA
Financial Research Administrator for Chair
412-647-6013
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