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Noni Nelson


Noni's practice focuses on defending mergers and acquisitions before the Department of Justice, Federal Trade Commission, state antitrust authorities, and foreign competition authorities.

She also counsels clients on a range of antitrust matters including government investigations and business conduct and compliance issues.

Noni represents clients in a variety of industries, including media, transportation, agriculture, chemicals, oil and gas, and various software and technology sectors. Before joining the firm, Noni interned in the Antitrust Division of the New York Office of the Attorney-General. She has also worked at a top-tier law firm in Australia and served as a law clerk on the New South Wales Court of Appeal (Australia).


Leadership Positions And Professional Affiliations

  •  American Bar Association – Section of Antitrust Law
  • New York State Bar Association – Antitrust Section


Herbert Burton University Medal



Attorney-at-Law, New York

Solicitor, New South Wales - Australia


New York University School of Law LLM

University of Canberra LLB/ BA (Hons)

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.