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Key Personnel

John Antonuk

Robert Stright

Charles H. King

Lawrence Koppelman

Randall Vickroy

Donald T. Spangenberg, Jr.

John B. Adger, Jr.

Alan J. Salzberg

Christine Kozlosky

Dennis Kalbarczyk

Mark Lautenschlager

Phillip S. Teumim

Yavuz Arik


Charles King is an executive consultant with 25 years of experience working in the telecommunications industry. He has held management positions in product management, strategic planning, pricing, regulatory affairs, industry affairs, and research and development. He has directed or managed numerous consulting engagements.  Chuck brings to Liberty’s clients a strong background in:

  • Telecommunications management and operations
  • Telecommunications regulation
  • Service quality measurements
  • Operations support systems
  • Third-party testing
  • Test design
  • Access charges
  • Pricing and costing
  • Demand modeling and forecasting
  • Quantitative analysis and modeling
  • Mergers and acquisitions
  • Regulatory relations

Chuck holds a Ph.D. and M.Phil. in physics from Yale University and a B.A., summa cum laude, from Northwestern University. He is also a graduate of the Wharton Business School’s Advanced Management Program and a member of Phi Beta Kappa.

Project Highlights

Chuck has served as director, project manager, and lead consultant in telecommunications technical, operations, policy, and regulatory projects ranging from small, short-term, targeted engagements to multi-month engagements involving large (100+) teams.

Chuck has had a managing role on four Liberty reviews of Verizon wholesale performance measures for state public service commissions.  He has also served Liberty as a subject matter expert advising commissions on issues related to the FCC Triennial Review Order and resulting arbitrations.

Chuck directed or managed teams performing third-party evaluations for 10 different public utility commissions of RBOC wholesale operations support systems prior to joining Liberty.  These evaluations included pre-ordering, ordering, provisioning, maintenance, repair, billing, collocation, change control, CLEC training, documentation, account management, setting up electronic OSS interfaces, transmitting electronic and manual transactions, measuring performance in processing these transactions, observing wholesale operations, and evaluating systems for reporting wholesale metrics, analyzing the integrity of performance metrics data, recalculating metrics results, and evaluating metrics change control. Chuck provided testimony on these third-party evaluations in formal and informal hearings of several commissions. Furthermore, Chuck supported similar third-party evaluations for 20 other public utility commissions.

Chuck directed analysis and model development to support a leading interexchange carrier’s local telecommunications service entry strategy. He directed the design and development of a computerized strategic planning model to develop optimum local service investment strategies for each of the over 20,000 local serving areas in the U.S.

Chuck orchestrated a team of subject matter experts who worked for a leading telecommunications interexchange carrier to develop detailed national standards to support operational interfaces between local telecommunications carriers for ordering, provisioning, maintenance, and billing.

Chuck directed an analytical team to support negotiations for the purchase of a $300 million interexchange telecommunications provider. He developed the business case for the purchase, and was principal analyst on the negotiating team. He formed and directed a multi-disciplinary transition team to manage all aspects of the change of ownership, including finance, marketing, sales, legal, network, human resources, billing, access, government affairs, and public relations.

Chuck managed the strategic pricing and forecasting of all regulated domestic consumer services for a major interexchange carrier. He developed and managed teams developing market research methods and market demand models for a major interexchange carrier.

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