LAWYER PROFILE
Helgi C Walker

Helgi C Walker

USA 2026

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Ranked in 3 practice areas

About

Provided by Gibson, Dunn & Crutcher LLP

USA

Practice Areas

Co-Chair, Global Litigation Practice Group, Co-Chair, Administrative Law and Regulatory Practice Group; Member, Appellate and Constitutional Law Practice Group. Appellate, regulatory and complex litigation. Helgi has extensive experience in appellate challenges to agency rulemakings, particularly in telecommunications, and other high-stakes commercial litigation.

Career

Associate Counsel to the President of the United States (2001-2003). Law Clerk to Justice Clarence Thomas, U.S. Supreme Court (1995-1996) and Judge Harvie Wilkinson III, Fourth Circuit (1994-1995).

Professional Memberships

Chair, D.C. Circuit Advisory Committee on Procedures; Board of Directors, Historical Society of the D.C. Circuit.

Personal

JD, University of Virginia School of Law, 1994; Executive Editor, Virginia Law Review; Order of the Coif.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Telecom, Broadcast & Satellite - District of Columbia

Band 1
Band 1

Individual Editorial
Helgi Walker of Gibson Dunn & Crutcher LLP is particularly acclaimed for her handling of appellate proceedings, while also regularly appearing before the FCC on complex regulatory and administrative matters.

Litigation: General Commercial - District of Columbia

Band 2
Band 2

Individual Editorial

Helgi Walker co-chairs the global litigation practice group and the administrative law and regulatory practice group at Gibson, Dunn & Crutcher. She has extensive experience in appellate law and regulatory disputes.

Appellate Law - USA - Nationwide

Band 3
Band 3

Individual Editorial
Helgi Walker has standout expertise in the telecommunications sector and is regularly called upon to advise on appellate challenges to federal agency actions.

Strengths

Provided by Chambers

  • Helgi is an amazing lawyer and her expertise makes her a go-to person. She is dedicated to each and every matter and works incredibly hard to achieve results.

    Telecom, Broadcast & SatelliteChambers Guide to the USA
  • Helgi is exceptionally smart, tenacious and creative. She is very good at pushing novel ideas to help drive decision-making and outcomes.

    Litigation: General CommercialChambers Guide to the USA
  • Helgi is a really good lawyer who gets some big results.

    Litigation: General CommercialChambers Guide to the USA
  • She's very strong on telecoms – it's a very complicated area, but she makes it look easy.

    Appellate LawChambers Guide to the USA

Ranked Individuals at Gibson, Dunn & Crutcher LLP (331)

California

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