Our Faculty

Joren C. Madsen, MD, DPhil

Co-Director, Center for Transplantation Sciences (CTS)
Senior Investigator/Head, Cardiothoracic Transplantation Laboratory, CTS
Director, Massachusetts General Hospital Transplant Center
Paul S. Russell/Warner-Lambert Professor of Surgery
Professor of Surgery, Harvard Medical School

James F. Markmann, MD, PhD

Senior Investigator/Head, Markmann Laboratory, CTS
Principal Investigator, Pancreatic Islet Isolation Laboratory, CTS
Chief, Division of Transplantation, Massachusetts General Hospital
Claude E. Welch Professor of Surgery, Harvard Medical School

Richard N. Pierson III, MD

Scientific Director, CTS
Senior Investigator/Head, Pierson Transplantation Laboratory, CTS 
W. Gerald and Patricia Austen Chair in Cardiac Surgery, Mass General
Visiting Surgeon, Mass General

David H. Sachs, MD

Scientific AdvisorCTS
Director, Transplantation Biology Research Center Laboratories, CTS
Immunologist, Mass General
Professor of Surgery, Columbia University Medical Center
Professor of Surgery Emeritus, Harvard Medical School

Alessandro Alessandrini, PhD

Senior Investigator/Head, Alessandrini Laboratory, CTS
Immunologist, Mass General
Assistant Professor of Surgery, Harvard Medical School

James S. Allan, MD

Senior Investigator/Co-Head, Cardiothoracic Transplantation Laboratory, CTS
Associate Chief, Thoracic Surgery, Salem Hospital
Director, Surgical Intensive Care, Salem Hospital
Associate Professor of Surgery, Harvard Medical School

Gilles Benichou, PhD, DSc

Senior Investigator/Head, Benichou Laboratory, CTS
Immunologist, Mass General
Associate Scientist, Department of Medicine, Children's Hospital, Boston
Associate Professor of Surgery and Immunology, Harvard Medical School

Robert B. Colvin, MD

Senior Investigator/Head, Colvin Laboratory, CTS
Benjamin Castleman Distinguished Professor of Pathology, Harvard Medical School

A. Benedict Cosimi, MD

Senior Investigator/Co-Head, Cosimi/Kawai Laboratory, CTS
Chief Emeritus, Division of Transplantation, Mass General
Claude E. Welch Distinguished Professor of Surgery, Harvard Medical School

Tatsuo Kawai, MD, PhD

Senior Investigator/Co-Head, Cosimi/Kawai Laboratory, CTS
A. Benedict Cosimi Chair in Transplant Surgery, Mass General
Professor of Surgery, Harvard Medical School

Leslie Kean, MD, PhD

Senior Investigator/Head, Kean Laboratory, CTS
Professor of Pediatrics, Harvard School of Medicine
Director, Program in Stem Cell Transplantation, Boston Children's Hospital and the Dana Farber Cancer Institute

Christian LeGuern, PhD

Senior Investigator/Head, Molecular Biology Laboratory, CTS
Associate Immunologist, Mass General
Associate Professor of Surgery & Immunology, Harvard Medical School
Professor, University Paris Sorbonne

Leonardo V. Riella, MD, PhD

Senior Investigator/Head, Riella Laboratory, CTS
Medical Director of the Kidney Transplant Program, Mass General
Harold and Ellen Danser Endowed Chair in Transplantation
Associate Professor of Medicine, Harvard Medical School

Heidi Yeh, MD

Senior Investigator/Head, Yeh Laboratory, CTS
Assistant Surgeon, Mass General
Surgical Director, Pediatric Transplantation, Mass General
Assistant Professor, Harvard Medical School

Our Staff

Administrative Personnel

  • Sarah Burke, Head Grants Administrator
  • Megan Jenni, Grants Administrator (Thier 8 Campus)
  • Laura Kupferberg, Staff Assistant III to Dr. Madsen and CTS Office Manager
  • Shannon Pratts, Laboratory Manager (CNY Campus)
  • Isabel Hanekamp, Laboratory Manager (Thier 8 Campus)
  • Rebecca Brophy, Staff Assistant III to Dr. Sachs
  • Isadora Lape, Laboratory Manager (CNY 5 Campus; Riella Lab)