About Us

CTC Technology & Energy is an independent communications and IT engineering consulting firm with more than 30 years of experience. We work at the highest levels on cutting-edge communications networking projects for public sector and non-profit clients throughout the U.S.

Current projects include long-term fiber optic and wireless regional communications interoperability initiatives in the Washington, D.C. area funded by the U.S. Department of Homeland Security; design and implementation of wireless networks; and engineering design and business modeling and project oversight for broadband networks.

Joanne S. Hovis, President

Joanne Hovis is a nationally recognized authority on broadband markets and on the evolving role of public-private partnerships in the provision of communications services to the public. For more than 25 years, she has overseen CTC’s consulting services related to strategic planning, market analysis, business modeling, and financial analysis for localities, …

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Andrew Afflerbach, Ph.D., P.E., CEO and Chief...

Andrew Afflerbach is a nationally recognized expert in broadband technologies who has delivered strategic guidance on wired and wireless communications issues to cities, states, utilities, and nonprofits for more than 25 years. As CTC’s Chief Technology Officer, Andrew oversees all technical analysis and engineering work performed by the firm, and develops …

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Sandi Yatvin, General Counsel and Chief...

Sandi Yatvin is CTC’s General Counsel and Chief Financial Officer. In these overlapping roles, she oversees all of CTC’s legal requirements, contracting, invoicing, and pricing. She is the point of contact for clients who have questions regarding contracts, CTC’s compliance with state and local laws and regulations, and any tax …

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Andy Spurgeon, Chief Operating Officer

Andy Spurgeon is responsible for implementing corporate strategy and managing CTC’s day‐to‐day operational activities as well as providing strategic support for CTC’s clients in financial analysis and program management. Andy is particularly focused on helping our clients navigate federal and state funding opportunities for broadband. Having served as Chief of Operations …

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Matthew DeHaven, Vice President of Fiber &...

Matthew DeHaven has assisted in the planning and deployment of dozens of fiber-to-the-premises (FTTP) networks for public sector clients, working on system-level designs and cost estimates as well as providing detailed engineering and construction oversight. He managed the project that built CTC’s proprietary GOeS model, which incorporates economic, financial, topographical, and …

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Shawn Thompson, Vice President of Analytics

As a recognized expert in broadband analytics, mapping, and wireless engineering, Shawn oversees the data analytics and wireless siting teams of CTC Technology & Energy. He leverages his extensive knowledge and experience in advanced data analytics techniques, statistical modeling, graph theory, machine learning, and predictive analytics to develop tools and …

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Ziggy Rivkin-Fish, CGEIT, Vice President for...

In nearly two decades with CTC Technology & Energy, Ziggy has helped resolve the complex strategic questions raised by innovative broadband projects in light of evolving federal, state, and local grant programs, market forces, governance requirements, and public-private partnership opportunities. He specializes in applying data analysis and best practices to …

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Teles Fremin, P.E., Deputy Chief Technology...

Teles draws on her two decades of hands-on experience to provide engineering and technical oversight for telecommunications projects and services. Working closely with the CTO, she develops network technical analysis and strategy for state and local governments, including the states of California, New Mexico, and Vermont and cities such as …

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