John Castle advises clients on a range of telecommunications-related regulatory, compliance, policy, and transactional issues before the Federal Communications Commission (FCC).

John brings diverse industry knowledge to his practice, drawing from his previous experience assisting wireline, wireless, and satellite clients on a variety of issues at a boutique telecommunications law firm. He counseled his clients on topics including universal service (e-rate, lifeline, contribution obligations), 911, special access, disability access, foreign ownership, and transaction approval. John also served as a legal fellow in the FCC's Wireline Competition Bureau and, while in law school, interned in the agency's Media and International Bureaus.

John graduated from the University of Virginia School of Law, where he served as the technology editor of the Virginia Journal of Law and Technology and participated in both the Virginia Law Pro Bono Program and the school's First Amendment Clinic.