CESOR People

Leadership, faculty collaborators, and scholars connected to CESOR.

CESOR is a collaborative academic center in emergency surgery outcomes research. This page introduces the director, faculty board, senior scholars, and CESOR scholars currently represented within the center’s collaborative network.

Director

Center leadership.

Profiles emphasize role, affiliation, research focus, and external verification links.

Faculty Board

Senior academic collaborators.

Lewis J. Kaplan

Faculty Board

Lewis J. Kaplan, MD, FACS, FCCM, FCCP

Professor of Surgery

Perelman School of Medicine, University of Pennsylvania

Lewis J. Kaplan is Professor of Surgery at the Perelman School of Medicine and a trauma and surgical critical care specialist at Penn Medicine and the Corporal Michael J. Crescenz Veterans Affairs Medical Center in Philadelphia. His academic work spans trauma physiology, surgical critical care, acid–base disorders, and systems approaches to critical illness. Dr Kaplan is a former President of the Society of Critical Care Medicine and has authored more than one hundred peer-reviewed publications addressing resuscitation physiology, trauma systems, and intensive care outcomes research.

Hayato Kurihara

Faculty Board

Hayato Kurihara, MD, FACS, FEBS (Emergency Surgery)

Director, Emergency Surgery Unit

Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico

Milan, Italy

Hayato Kurihara is Director of the Emergency Surgery Unit at the Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico in Milan. His clinical and academic work focuses on trauma surgery, emergency abdominal pathology, and organization of acute care surgical services. Dr Kurihara has contributed to several multinational observational cohort studies examining practice variation and outcomes in emergency surgical disease and participates in collaborative European research initiatives in emergency general surgery.

Matthew J. Lee

Faculty Board

Matthew J. Lee, MBChB, MRCS, PhD

Associate Professor of Surgery

Institute of Applied Health Research

University of Birmingham, United Kingdom

Matthew J. Lee is an academic colorectal surgeon and clinician scientist at the University of Birmingham and University Hospitals Birmingham NHS Foundation Trust. His research focuses on surgical outcomes, clinical epidemiology, and large-scale observational cohort studies evaluating practice variation in emergency abdominal pathology. He has contributed to international collaborative studies examining management strategies and patient-reported outcomes following small-bowel obstruction and other acute surgical conditions.

Isidro Martínez-Casas

Faculty Board

Isidro Martínez-Casas, MD, PhD, FEBS (Emergency Surgery)

Trauma and Emergency Surgery Unit

Hospital Universitario Virgen del Rocío

Seville, Spain

Isidro Martínez-Casas is a consultant trauma and emergency surgeon at Hospital Universitario Virgen del Rocío in Seville. His academic work focuses on emergency abdominal surgery, trauma care, and multicenter observational research in acute surgical disease. He has participated in several multinational collaborative studies examining management strategies and outcomes in small-bowel obstruction and other emergency surgical conditions.

Senior Scholars & CESOR Scholars

Emerging collaborative network.

Niels D. Martin

Senior Scholar

Niels D. Martin, MD

Chief, Division of Trauma, Surgical Critical Care & Emergency Surgery

Perelman School of Medicine, University of Pennsylvania

C. William Schwab Professor in Traumatology and Surgical Critical Care

Niels D. Martin is Chief of the Division of Trauma, Surgical Critical Care and Emergency Surgery at Penn and Program Director for the Trauma, Acute Care Surgery, and Surgical Critical Care fellowships. His academic work centers on trauma systems, surgical critical care, emergency general surgery, and the development of high-performing clinical and training programs in acute care surgery.

Enrico Marrano

Senior Scholar

Enrico Marrano, MD

Emergency Surgery and Trauma Unit

Hospital Universitari Germans Trias i Pujol

Barcelona province, Spain

Enrico Marrano is a general surgeon with a focus on acute care and emergency surgery. After graduating in general surgery from the University of Verona in 2019, he spent eleven months at Chris Hani Baragwanath Academic Hospital in Johannesburg, where he developed a strong trauma surgery practice and completed ATLS and DSTC training. He now works in the Emergency Surgery and Trauma Unit at Hospital Universitari Germans Trias i Pujol in Spain and remains active in trauma and emergency surgery education and collaborative research.

Caoimhe C. Duffy

Senior Scholar

Caoimhe C. Duffy, MD, MSc, FCAI

Assistant Professor of Anesthesiology and Critical Care

Perelman School of Medicine, University of Pennsylvania

Caoimhe C. Duffy is Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine at the University of Pennsylvania. Her research focuses on human factors engineering, perioperative safety science, airway management, and simulation-based assessment. She received the 2024 APSF/FAER Mentored Training Grant for her project “Resilience Training to Prevent Intubation Harm” and contributes to national work in perioperative handoffs, simulation, and patient safety.

Dane Isenberg

Senior Scholar

Dane Isenberg, PhD

Biostatistician and Causal Inference Researcher

Incoming Faculty, Villanova University

Dane Isenberg is a biostatistician whose work centers on causal inference and its applications in health and observational data science. He recently completed his PhD training in biostatistics at the University of Pennsylvania, where he also earned an MS in Biostatistics, and previously trained in mathematics and statistics at Brandeis University and Hunter College. Before his doctoral work, he taught high school mathematics, and he will join the faculty at Villanova University in summer 2026.

Michel P. J. Teuben

Senior Scholar

Michel P. J. Teuben, MD

Traumatology Researcher and Surgeon

Department of Traumatology, University Hospital Zurich

University of Zurich, Zurich, Switzerland

Michel P. J. Teuben is a Zurich-based trauma surgeon-researcher affiliated with the Department of Traumatology at University Hospital Zurich and the University of Zurich. His academic work focuses on trauma immunology, post-injury inflammatory responses, fracture biology, and translational experimental trauma research. He has contributed to preclinical and clinical studies examining neutrophil biology, systemic inflammatory signatures after trauma, and mechanisms relevant to post-traumatic complications.

Ana María González-Castillo

CESOR Scholar

Ana María González-Castillo, MD, PhD, FEBS (Em Surg)

General Surgery — Spain

Ana María González-Castillo is a general surgeon with research interests in emergency abdominal pathology and collaborative clinical outcomes research. She has contributed to multinational observational studies evaluating management strategies and outcomes in acute surgical disease.

Stefano P. B. Cioffi

CESOR Scholar

Stefano P. B. Cioffi, MD, PhD

Emergency and Trauma Surgery Unit

Niguarda Hospital

Milan, Italy

Stefano P. B. Cioffi is a general surgeon with a focus on acute care surgery who works in the emergency and trauma surgery unit at Niguarda Hospital in Milan. His academic interests include surgical education, evidence-based surgery, and collaborative international research in emergency abdominal pathology and acute surgical disease.

Núria Lluís

CESOR Scholar

Núria Lluís, MD, PhD

General Surgery Research Fellow

Perelman School of Medicine, University of Pennsylvania

Formerly Bellvitge Hospital, University of Barcelona

Núria Lluís is a general surgeon and research fellow whose work spans surgical and oncologic outcomes research, with particular interest in hepato-pancreato-biliary disease and translational surgery. She earned her medical degree from Miguel Hernández University, completed general surgery residency at Bellvitge Hospital in Barcelona, and pursued doctoral training in medicine and translational research before undertaking research fellowship training in the United States.

Kathleen Davin

CESOR Scholar

Kathleen Davin, MD

PGY3 General Surgery Resident

Perelman School of Medicine, University of Pennsylvania

Kathleen Davin is a categorical general surgery resident at Penn. A graduate of the Perelman School of Medicine at the University of Pennsylvania, she is part of the Penn surgery training program while contributing to collaborative research in emergency surgical disease and acute care surgical systems.

Matteo Maria Cimino

CESOR Scholar

Matteo Maria Cimino, MD

Emergency Surgery Unit

Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico

Milan, Italy

Matteo Maria Cimino is a surgeon in the Emergency Surgery Unit at the Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico. His work focuses on emergency abdominal pathology and outcomes research within multinational collaborative cohort studies evaluating acute surgical disease.

Gabriele Bellio

CESOR Scholar

Gabriele Bellio, MD

Department of Emergency Surgery

Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico

Milan, Italy

Gabriele Bellio is a general surgeon in the Department of Emergency Surgery at the Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico in Milan. His work centers on acute care surgery, emergency abdominal pathology, and collaborative international research in emergency surgical disease.

Manuela Mastronardi

CESOR Scholar

Manuela Mastronardi, MD

General Surgery — Italy

Manuela Mastronardi is a surgeon with research interests in emergency abdominal surgery and collaborative international clinical research. She participates in multicenter observational studies examining management strategies and outcomes in acute surgical disease.

Alan Biloslavo

CESOR Scholar

Alan Biloslavo, MD

General Surgery — Italy

Alan Biloslavo is a surgeon involved in international collaborative research examining emergency surgical disease and clinical outcomes. His work contributes to multinational cohort studies investigating variation in surgical practice and patient outcomes across health systems.