Leadership Team

Brian McCarthy

Brian McCarthy, President and Partner of Open Tier Systems, brings nearly three decades of experience in the tech industry, leveraging his expertise to lead both the strategic vision and operational excellence of the company. Since starting Open Tier Systems in 2006, Brian has been instrumental in helping clients harness technology to overcome complex business challenges, often describing his role as “being a detective” – using innovation and problem-solving to unlock tailored solutions.

With a robust portfolio of certifications from Microsoft and other industry leaders, Brian stays at the forefront of advancements in IT, ensuring Open Tier Systems delivers secure, efficient, and scalable solutions. His dedication to continuous learning and improvement drives the company’s success in supporting clients’ technology needs.

Outside of his professional pursuits, Brian enjoys quality time with his family, practicing martial arts, and keeping active through cooking, exercise, and outdoor activities.