The PINNACLE team is lead by a team of experienced PAETEC professionals.
Larry Foster, VP General Manager
Larry Foster currently manages the PAETEC engineering, consulting, and support units responsible for the design, development, implementation, and ongoing production support of the PINNACLE Communication Management Suite.
Mr. Foster started his technology career as an electrical engineering instructor for Southern Illinois University - Edwardsville where he taught network and computer design courses. In the early 1990s, he became the Assistant Director of Information Technology at the University. His spectrum of responsibilities included designing, implementing, and supporting the University's multi-media communication infrastructure and other enterprise services, such as managing the campus helpdesk and employee training operations.
Terry O'Brien, Director Service and Operations
Terry O'Brien began his career at PAETEC in April of 2000, as a PINNACLE Implementation Manager, responsible for implementing our software for all vertical markets. He also served as Product Support Manager, and Senior Manager of Professional Services. Today, as Director, Mr. O'Brien is responsible for the managed services, account development and customer support organizations.
Prior to joining PAETEC, Mr. O'Brien was the Assistant Director of Telecommunications at SUNY Geneseo, and the Telecommunications Manager at SUNY Oneonta.




