Management Team

Successful track record of developing and commercializing innovative and clinically significant healthcare technologies.


Joseph Virgilio

President and Chief Executive Officer

Joe brings over 20 years of sales, marketing, and general management experience in the medical device industry. Joe possesses a proven track record of aggressive revenue growth through the development and execution of strategic sales and marketing plans with demonstrated abilities to recruit, train, and motivate a highly effective and specialized cross-functional team. His areas of expertise also include GPO/IDN contracting, organizational development and restructuring, corporate partnerships, and distribution strategies. Additionally, Joe possesses broad experience leading organizational turn-around and integration activities.

Prior to joining GI Dynamics, Joe served as President and General Manager for Amann Girrbach, a global leader in dental CAD/CAM technology. Joe has also held the position of Vice President of Sales, The Americas at Surgical Specialties Corporation, as well as Vice President of Sales and Global Marketing at Aptus Endosystems (acquired by Medtronic). Joe spent the early part of his medical device career at Boston Scientific followed by almost a decade at Medtronic in roles of increasing responsibility.

Joe holds a Bachelor of Arts degree from Colgate University and earned continued education from the University of Pennsylvania, Wharton School of Business and from the University of North Carolina, Chapel Hill, Kenan-Flagler School of Business.


Stephen Linhares

Vice President of Clinical, Regulatory and Quality 

Stephen brings over 30 years of experience in development, regulatory, preclinical and clinical operations, quality and resource management with a focus on medical devices.

Prior to joining GI Dynamics, Stephen held the position of vice president of regulatory, clinical affairs and quality assurance at Neograft Technologies Inc. He also held leadership roles at Insulet Corporation, Boston Scientific Corporation Inc., and Phase Forward Inc., as well as vice president roles at PLC Medical Systems.

Stephen brings extensive knowledge of the diabetes disease and medical device space, where he has led 10 clinical trials, multiple CE Mark approvals, and numerous 510(k) clearances. Stephen holds nearly 20 United States and international patents and co-author of two peer-reviewed publications.

Stephen holds a BS in Physics from Bridgewater State College.