American College Of Surgeons - Inspiring Quality: Highest Standards, Better Outcomes

Current Clinical Scholars

Ryan EllisRyan Ellis, MD

Dr. Ellis is a first-year ACS Clinical Scholar in Residence and a general surgery resident at Northwestern University, Chicago, IL. He obtained a bachelor’s degree in chemical engineering at the University of Kansas, Lawrence, and his medical degree from the Perelman School of Medicine at the University of Pennsylvania, Philadelphia. As an ACS Clinical Scholar he will focus on surgical outcomes and quality in complex surgical oncology, specifically in management of pancreatic malignancies. Dr. Ellis is also working on identifying what factors patients prioritize when choosing hospitals and health care providers. He plans to pursue fellowship training in surgical oncology after residency, with the ultimate goal of establishing a practice at an academic medical center. In addition to his research, Dr. Ellis is also a postdoctoral fellow at Northwestern University’s Institute of Public Health and Medicine, where he will earn a master’s degree in health services and outcomes research.


Lina HuLina Hu, MD

Dr. Hu is a first-year ACS Clinical Scholar-in-Residence. She is working on the Improving Surgical Care and Recovery (ISCR) program, a collaboration with Johns Hopkins Armstrong Institute funded and guided by Agency for Healthcare Research and Quality (AHRQ). The program seeks to develop and implement evidence-based perioperative guidelines in hospitals to enhance the recovery of surgical patients. She is interested in pursuing a career in academic surgery and hopes to combine her interest in health services and outcomes research with her clinical practice.

Dr. Hu is a general surgery resident at University of California Los Angeles. She received her medical degree from Johns Hopkins University, Baltimore, MD, and her bachelor's degree in bioengineering from Rice University, Houston, TX. During her research time, she is also pursuing a master’s degree in health services and outcomes research at Northwestern University.


Jessica LiuJessica Liu, MD

Dr. Liu is a first-year ACS Clinical Scholar in Residence and a general surgery resident at Emory University, Atlanta, GA. She received her medical degree from Emory University and her bachelor’s degree in biology from University of Florida, Gainesville. Her interests broadly include quality improvement research and resident education on quality improvement. Her long-term career goals include pursuing a career in academic surgery and incorporating clinical research and quality improvement into her clinical practice.

She is currently working on national implementation of enhanced recovery pathways following surgery through the ISCR program. During her research time, she is also pursuing a master’s degree in health sciences and outcomes research through Northwestern University, Chicago, IL.


Meixi Ma, MDMeixi Ma, MD

Dr. Ma is a first-year ACS John A. Hartford Foundation James C. Thompson Clinical Scholar-in-Residence and a third-year general surgery resident at the University of Alabama at Birmingham (UAB). She obtained her bachelor’s degree in biology and photography at the University of Pennsylvania, Philadelphia, after which she spent two years on the New York City art scene, involved in running two galleries focused on mid-century modern design and contemporary NY-based and Latin American artists. She went on to obtain her medical degree from the University of Alabama School of Medicine (UAB), Birmingham. She is taking dedicated time from her clinical duties to focus on developing the skills salient to a future in academic surgery as an ACS Clinical Scholar with research focusing on improving the quality and surgical outcomes of older adults though the ACS Coalition for Quality in Geriatric Surgery (CQGS), in addition to research on surgical disparities and resident education. As part of her time as a Clinical Scholar, Dr. Ma is also a postdoctoral fellow at Northwestern University’s Institute of Public Health and Medicine, where she will earn a master’s degree in Health Services and Outcomes Research.


Lindsey Zhang, MDLindsey Zhang, MD

Dr. Zhang is a first year ACS John A. Hartford Foundation James C. Thompson Clinical Scholar-in-Residence. She is also a general surgery resident at the University of Chicago Medical Center in Chicago, IL. Dr. Zhang received her bachelor’s degree in neuroscience from Washington University in St. Louis, MO and obtained her medical degree from the University of Minnesota. As an ACS James C. Thompson Clinical Scholar-in-Residence, Dr. Zhang will be a part of an important movement to improve surgical outcomes for the growing elderly patient population. She is also currently completing a master’s degree in health services and outcomes research at Northwestern University, Chicago, IL. Her other interests include public health and surgical education. In the future, she plans to pursue a career in colon and rectal surgery and hopes to continue working in an academic environment, combining her passion for surgery with a lifelong pursuit of quality improvement.