Executive Team


Bryant G. Barnes
President and Chief Executive Officer

Bryant Barnes joined Comporium in 1979 and served in many different capacities throughout the enterprise before being elected as president in 2002 and then chief executive officer in 2003. His prior positions include general manager and president of the data services business unit and vice president of information services for the enterprise.

Bryant has been a member of the Independent Telecommunications Pioneers Association since l994. He has served on several committees for the United States Telecommunications Association (USTA) and the Organization for the Preservation and Advancement of Small Telecommunications Companies (OPASTCO.) He also has served as president of the South Carolina Telecommunications and Broadband Association (SCTBA) and chaired its management information services committee.

Bryant was the first chair of the York County Regional Chamber of Commerce. Currently he serves on the Clemson University Foundation Board of Directors, as Vice Chairman of Spirit Telecom, and as Chairman of the Board of Immedion. Bryant is also a member of the Rotary Club of Rock Hill.

Bryant is a graduate of Clemson University with a bachelor’s degree in electrical and computer engineering. He also earned a master’s degree in business administration from the University of South Carolina.


John M. Barnes, Jr.
Executive Vice President – Marketing and Business Solutions

John has been engaged in the communications industry for nearly 30 years, having begun his career in the communications industry with Centel Cable of Texas. He currently serves on the board of directors and as Executive Vice President - Marketing and Business Solutions for Comporium. John coordinates Comporium’s interests in companies providing fiber transport and business solutions, data storage and managed services, smart devices and connected home/car services, and digital signage and serves on a number of these entities’ board of directors. He also serves on the board of directors of Spirit Telecom, the largest fiber-based Competitive Local Exchange Company in the Carolinas, and Immedion, an enterprise-class dedicated data center provider.

John earned a degree in Business Administration from The Citadel Military College in Charleston, S.C. Among many outside interests, John is serving as a Director for the S.C. Governor's School for Science & Math and for STEM (Science, Technology, Engineering and Math) Premier. He is Past President of the Palmetto Partners for Science & Technology and currently serves as its Innovation Committee Chairman.


Jack Holladay
Executive Vice President – Technology and Facilities

Jack joined Comporium in 1984 and is now responsible for installation and repair, information technology, facilities and construction, and engineering and planning, network services, Internet planning and development, and wireless planning and development.

Jack graduated from Presbyterian College with a bachelor’s degree in mathematics and a minor in computer science. He also has a master’s degree in business administration from Winthrop University.

He has been an active volunteer in the community and currently serves as treasurer on the Boys and Girls Club of York County’s board of directors.


Daniel R. Robertson
Executive Vice President, Chief Financial Officer, and Treasurer

Dan Robertson joined Comporium in 2006 from Springs Industries, Inc., where he was vice president – financial planning and analysis. Before joining Springs in 1977 and serving in a variety of senior financial roles, Dan was a senior accountant for Peat, Marwick, Mitchell & Co., Certified Public Accountants.

He holds a bachelor’s degree in business administration from Appalachian State University and a master’s in business administration from Winthrop University.

Robertson currently is a member of the North Carolina Association of Certified Public Accountants.



Matthew L. Dosch
Executive Vice President – Customer Operations and External Affairs

Dosch’s responsibilities include the company’s residential services, business services, customer contact center and external affairs, for all of Comporium’s areas of operation, which incorporates York and Lancaster counties and the Midlands region of South Carolina and Transylvania County in North Carolina. Dosch formerly served as senior vice president of external affairs, which includes state and federal regulatory and legislative affairs, industry relations, provisioning of wholesale carrier services, carrier access billing, inter-company settlements, and company “cost” development and tariff administration.

Prior to joining Rock Hill in August 1994, Dosch spent four years as the manager of regulatory and legislative affairs for OPASTCO – the Organization for the Promotion and Advancement of Small Telecommunications Companies – where he represented the views of small and rural local exchange carriers before the Federal Communications Commission, Congress, and other Federal agencies. Before that, he worked for the Telecom Publishing Group of Capitol Publications, a business newsletter publisher.

Dosch graduated from Duke University with a double major in Public Policy Studies and English.



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