Our Leadership Team

Mike Aspinwall

Chief Executive Officer, Co-founder

For 30 years, Mike has helped build and grow innovative healthcare companies, including Vantage Oncology, Bravo Health, and Paradigm Health, as a hands-on investor and executive. Before co-founding Stability Health, Mike was a managing partner responsible for all healthcare investing at CCP Equity Partners, and co-head of the healthcare sector at GE Equity. In these two positions, he successfully invested more than $170 million in a dozen companies.


Alicia Warnock, MD

Chief Operating Officer 

Alicia received her medical training at the Uniformed Services University of the Health Sciences and spent 12 years as a physician and officer in the U.S. Navy. While practicing as an internist, she led the design and implementation of one of the Navy’s first Patient Center Medical Homes to receive NCQA accreditation. She spent the final seven years of her active-duty service practicing endocrinology at the Walter Reed National Military Medical Center (WRNMMC) in Bethesda, Maryland, where she was the Director of Diabetes Institute from 2015 to 2019.


Peggy Chou, MD, MBA

Chief Medical Officer

Peggy is a board-certified internal medicine primary care physician who has held leadership roles in organizations helping to improve performance. She has an extensive background in healthcare operations, strategic management, and the use of data to lead clinicians to achieve organizational goals. Prior to joining Stability Health, she was the Senior Medical Director of Medical Management and co-leader of the Division of ACO Performance Management at Atrius Health where she led hybrid teams of Finance/Contracting and Clinical Population management to improve the value of care including leading initiatives in case management, utilization management, and HCC coding.


Dave Harlan, MD

Chief Scientific Officer, Co-founder

As an American Board of Internal Medicine certified endocrinologist, Dave has spent his 39-year professional career practicing and promoting innovative care for people with diabetes in various capacities. He received his medical training at Duke and then spent the first 30 years in the US Navy, and later, the US Public Health Service, attaining the rank of Captain in both. While assigned at the National Institutes of Health (NIH), Dave conducted internationally recognized efforts exploring transplantation-based therapies for diabetes, among other things. Since 2010, he has served as Co-Director of the Diabetes Center of Excellence at the University of Massachusetts Medical School. In addition to leading this cutting-edge research program, he continues to care for patients at the UMass Memorial Medical Center.


Mark Ahern

Chief Development Officer

Mark is a proven industry leader in building early-stage healthcare companies by developing and executing revenue growth plans to build best-in-class healthcare organizations. He is known for working effectively with CEOs, key stakeholders, and boards to define and create growth initiatives, strategic alignments, and successful exit strategies. Most recently, Mark was the Chief Development Officer at US Oncology McKesson, where he led their business development efforts. Prior to McKesson, Mark led all aspects of business development for Vantage Oncology prior to its sale to McKesson.