Steptoe LLP

Of Counsel

Onika Williams advises clients on compliance and enforcement issues before a variety of federal regulatory agencies as well as disputes before the Surface Transportation Board (STB). Clients benefit from her experience as a legal advisor in the STB's former Office of Proceedings (now part of the STB's Office of Chief Counsel). While at the STB, she advised the Board in proceedings arising under the ICC Termination Act of 1995, involving questions of statutory, administrative, and constitutional law.

Prior to the STB, Onika served as a Law Clerk at the US Nuclear Regulatory Commission where she advised and assisted three judge boards in adjudicating cases under the Atomic Energy Act, regarding nuclear safety, security, and the environment.

Outside of private practice, Onika is involved with the Association of Transportation Law Professionals, where she currently serves as the 2025-26 President-Elect and has previously served in the roles of Treasurer and Vice President.

Fellow, American Bar Foundation Association of Transportation Law Professionals National Bar Association Chair, Young Lawyers Division (2020–2021) Chair-Elect (2019–20); Vice Chair (2018–2019); Membership Chair (2016–2018) Member, National Bar Association Board of Governors (2020–2021) Member, National Bar Association COVID-19 Task Force (2020–2021) Deputy Chief of Staff to 77th President Alfreda Robinson (2020) American Bar Association's Litigation News Publication Team Editor (2020–2022) Associate Editor (2016–2020; 2022-2023) Contributing Editor (2014–2016)