PRINCIPAL INVESTIGATOR
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/01/Mike-edited-scaled.jpg)
Michael Dougan, MD, PhD
Division of Gastroenterology, Massachusetts General Hospital
Associate Professor of Medicine, Harvard Medical School
MD/PhD, Harvard Medical School
Residency, Massachusetts General Hospital
Clinical & Research Fellowship, Massachusetts General Hospital
Postdoctoral Research Fellowship, Whitehead Institute
TEAM MEMBERS
Clinical Staff
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/01/Yousef.jpg)
Yousef Badran, MD
Physician
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2025/01/Lestat2.png)
Lestat Ali, MD
Resident Physician
Research Fellows & Support Staff
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2025/01/Lilli.jpg)
Elisabeth Orgler-Gasche, MD
Postdoctoral Research Fellow
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/01/Michael-Walsh.jpg)
Michael Walsh, PhD
Postdoctoral Research Fellow
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/03/IMG_9210-scaled-e1680192648162-1024x1024.jpg)
Keri Sullivan
Clinical Research Manager
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/01/Elizabeth.JPEG-edited-1-1024x1024.jpeg)
Elizabeth Keleher
Sr. Clinical Research Coordinator
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/10/Jamie.png)
Jamie DiCarlo
Clinical Research Coordinator II
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2024/07/Abby-e1721312803572.jpg)
Abigail Elvin-Ivey
Clinical Research Coordinator II
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2024/07/Mary.jpg)
Mary Thompson
Clinical Research Coordinator I
Students
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/01/Elisa-edited-scaled.jpg)
Elisa Bello
Medical Student
UMass Chan Medical School
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/01/Kelly-edited-1.jpg)
Kelly Ling
Medical Student
Rutgers RWJ Medical School
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/01/cropped-mgb-logo.png)
Kevin Zhangxu
Medical Student
Harvard Medical School
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2024/07/Courtney-e1721317008530.jpg)
Courtney Stump
PhD Student
Harvard Medical School
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2023/01/Sofia-edited-scaled.jpg)
Sofia Arnet
Undergraduate Student
McGill University
![](https://douganlab.mgh.harvard.edu/wp-content/uploads/2024/07/Sophia.jpg)
Sophia Shaughnessy
Undergraduate Student
Northeastern University