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Our Team
Affiliated Faculty
Christy Caulie

Christy Cauley, MD, MPH

Gastrointestinal Surgeon / Assistant Professor Harvard Medical School

Christy Cauley, MD, MPH, is a board-certified general and colorectal surgeon at Massachusetts General Hospital and an Assistant Professor of Surgery at Harvard Medical School. She received her Medical Degree from Indiana University School of Medicine and her Master’s in Public Health degree from Harvard University. She completed residency training at Massachusetts General Hospital and a colorectal surgery fellowship at Cleveland Clinic before joining the faculty at the Massachusetts General Hospital.  She is an Associate Faculty member at Ariadne Labs, a joint health system innovation center at Harvard T.H. Chan School of Public Health as part of the Safe Surgery / Safe Systems team.

Dr. Cauley is dedicated to improving the surgical care of older adults. Her research focuses on understanding recovery outcomes of older adults and improving the identification and management of unmet needs of older adults and their caregivers. Her work in patient centered outcomes and surgical quality improvement has led to several original publications and invited national talks. She serves as a reviewer for the Diseases of the Colon & Rectum and Annals of Surgery and is an active member of the American College of Surgeons, the American Society of Colon & Rectal Surgeons, and the Surgical Society of the Alimentary Tract. 

CASI Alumni
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Lien Quach, MD, PhD

Post-Doctoral Research Fellow (October 2021 - February 2024)

Lien Quach, MD, PhD, was a postdoctoral research fellow at the CASI. ​Her research interests focus on the social determinants of health, specifically how social (dis)connection patterns relate to mental health, physical function, and quality of life in older adults. Her work seeks to understand the unique roles social isolation, network characteristics, and social support play in health outcomes in older adults, including people living with HIV/AIDS both in the United States and globally. She also has expertise in designing and analyzing surveys using survival analyses, generalized estimating equations, moderation, mediation analyses, network analysis, and measurement modeling.

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