Mia Guizzetti Hayes is counsel in the Communications & Media Department. Mia provides strategic advice to public and private companies and industry associations before the Federal Communications Commission (FCC), the Executive Branch, and state agencies on matters that include wireline and wireless competition policy; the allocation and use of licensed and unlicensed spectrum; compliance with auction rules; ownership limits; and U.S. entry requirements for foreign investors and service providers. Described by the Legal 500 (2019) as a “prominent name in the practice” with a “particular focus on competition and FCC transaction review,” Mia also has significant experience representing telecommunications, media, and technology companies, their investors, and industry associations in a wide variety of FCC rulemakings and enforcement proceedings, and in the review of FCC decisions by federal courts of appeals.

Chambers USA (2023) recognizes Mia in the area of Telecom, Broadcast & Satellite. She is also recognized in Best Lawyers (2021-2023) as a leading practitioner in the area of Communications Law.


  • Immigration Equality, 2019 Safe Haven Award Certificate for excellence in pro bono representation
  • FCBA – The Tech Bar, 2018 Distinguished Service Award
  • FCBA – The Tech Bar
    • Executive Committee (2019-Present)
    • Co-Chair and Executive Committee Liaison, Women’s Leadership Committee (2020-Present)
    • Nominations Committee (2017-2018)
    • Treasurer, FCBA Foundation (2016-2017)
    • Co-Chair and Assistant Treasurer, FCBA Foundation (2015-2016)
    • Treasurer, FCBA Foundation (2014-2015)
  • Member, Women's Bar Association of the District of Columbia

Mia has advised:

  • América Móvil on FCC and state PUC review of its approximately $6.25 billion sale of TracFone to Verizon
  • ForgeLight and its principal Wade Davis on FCC and Executive Branch national security review of the acquisition, along with Searchlight Partners, of a majority interest in Univision
  • Level 3 on FCC review of its sale to CenturyLink
  • Comcast on FCC review of the proposed acquisition of Time Warner Cable and related transactions
  • Time Warner Inc. on FCC review of the spinoff of Time Inc.
  • Comcast on FCC review of the sale of Wireless Communications Service spectrum to AT&T
  • Comcast and SpectrumCo on FCC review of the sale of Advanced Wireless Services spectrum to, and commercial agreements with, Verizon Wireless
  • Comcast on FCC review of the acquisition of a majority stake in NBCUniversal from General Electric
  • Time Warner Inc. on FCC review of the spin-off of Time Warner Cable



The Catholic University of America Columbus School of Law, J.D., 2006 University of Maryland at College Park, B.A., 2000

Bar Admissions

District of Columbia, 2008 Maryland, 2006

Court Admissions

United States Supreme Court United States Court of Appeals, D.C. Circuit