Gregory B. Siroonian


Gregory, founder, and principal of MEDCOM, is a licensed architect and has been in practice for over 24 years. Due to this rich experience, Gregory has a deep understanding of the ever-changing design needs for complex hospital facilities and healthcare organizations. He is committed to helping our clients achieve their vision through a highly collaborative relationship that balances smart solutions with fiscal responsibility. Healthcare spaces today must be highly flexible, acuity adaptable and operationally efficient. Gregory’s approach provides innovative solutions that integrate lean operations with patient-centered care into cutting-edge healthcare environments. These principles have been used to lead MEDCOM to decades of success and continuity. He holds a bachelor’s degree in architecture from the Boston Architectural Center.

Robert F. Catarius

Senior Architect

Robert brings over 28 years professional experience working on a wide range of projects including retail, industrial and medical facilities. Robert understands the tools that are necessary to advising clients with clarity and supplying them with the optimum design solution. His experience includes planning, designing and building facilities that not only cater to specific client needs, but also contribute to future sustainable growth. He holds a bachelor’s degree in architecture from the Boston Architectural Center and is a licensed architect.

James Potter

Senior Design Manager

James has been with MEDCOM for over 10 years and has completed projects for all manner of inpatient and outpatient care delivery models. James provides creative design solutions, a responsive work approach and extensive knowledge of the department of public health staff and regulations. He holds a bachelor’s degree in architecture from the Roger William’s University.

Mark Hartwell

Project Manager

Mark is an accomplished job captain with construction document and construction administration experience on a wide range of healthcare and commercial projects. He holds a master’s degree in architecture from Wentworth Institute of Technology and is also a certified LEED AP.

Anne-Marie Siroonian

Accounting & Billing Specialist

Anne-Marie is a graduate of the University of Southern Maine Portland. Anne-Marie is the firms accounting and billing specialist. She maintains all of the project contracts and assists in the preparation of plan review submissions to the department of public health.