Nancy has extensive experience in communications issues and transactions. She advises a broad cross-section of the telecommunications and media industry on the business implications of regulatory policy and represents these entities before the Federal Communications Commission (FCC), the National Telecommunications and Information Administration (NTIA), Congress, CFIUS, Team Telecom, and state public utility commissions.

Nancy has particular experience in wireless and satellite issues, including spectrum allocation, licensing, compliance, and regulatory requirements. She also has substantial experience in telephony and broadband regulatory matters, particularly where new technology or changing market conditions conflict with the historic regulation. She regularly counsels clients on a wide variety of FCC and state compliance matters and has substantial experience in representing clients in enforcement proceedings.

Nancy also has extensive transactional experience, having taken a lead role in securing FCC approval for transactions ranging from small wireless or broadcast license transfers to the largest communications mergers of the last decades. She recently served as lead regulatory counsel to T-Mobile and Deutsche Telekom in securing federal, state and international regulatory approvals for T-Mobile's merger with Sprint, which was recognized by TMT Finance as their "2020 Telecom Deal of the Year – Global." Nancy's role included briefing the T-Mobile Board, developing merger advocacy and messaging for the transaction, responding to extensive regulator inquiries and third-party opposition, and negotiating commitments required for FCC approval. Nancy has particular expertise with respect to non-U.S. ownership issues, having regularly represented companies before Team Telecom and CFIUS, negotiated mitigation agreements where required, and counselled companies with respect to ongoing compliance.

Rated by Chambers USA as one of Washington, DC's "Leading Lawyers" in her field, Nancy is praised by a client for being "dedicated, outstanding and razor sharp," while another notes that she "is very organized and smart, and able to get an enormous amount of work done in an abbreviated timeframe." (2020) Chambers USA further notes that she has “substantial experience in handling regulatory and antitrust matters, including issues arising from market-leading M&A across a range of sectors." (2020) She was also named a "Leading Lawyer" by The Legal 500, where she was described by one client as ha[ving] superior judgment even in the rarified air of high-priced counsel, and ha[ving] unmatched experience compared to even the most senior telecom partner in other DC firms. Her work product is always excellent and she always delivers as promised. She is outstanding." (2020)