Sean Sandoloski
Partner, Litigation
Sean Sandoloski is a partner in Willkie’s Litigation Department. He is based in the Firm’s Washington, D.C. office.
A former law clerk to Justice Brett M. Kavanaugh of the U.S. Supreme Court, Sean focuses on government-facing litigation and investigations, including those involving Congress and State Attorneys General—as well as issues and appeals involving complex commercial litigation and antitrust matters. Sean regularly counsels clients facing government-risk across the full spectrum of federal, state, and foreign authorities, with a focus on providing holistic solutions to clients' complex problems.
Sean previously served as Special Assistant and Associate Counsel to the President in the Office of White House Counsel, where he advised the Executive Branch on a range of matters, including Executive Orders and litigation and policy initiatives, and worked closely with officials from a variety of federal agencies and various congressional committees. Earlier in his career, Sean also served in the Department of Justice as both Senior Counsel in the Office of Legal Policy and in the Appellate Section of the Antitrust Division. In the latter role, Sean represented the United States in the courts of appeals and advised Division leadership on criminal enforcement, civil enforcement, and complex issues of federal and international law.
Additionally, Sean clerked for Judge Steven M. Colloton of the United States Court of Appeals for the Eighth Circuit.
Experience
- Assistant Attorney General’s Award (2017)
Sean has frequently spoken at various forums addressing trends and developments in constitutional law, antitrust law, and lawyering in the Executive Branch—including regulatory enforcement.
- Panelist, “Conducting an Effective Internal Investigation and Avoiding Common Pitfalls,” Webinar, October 31, 2024
- Panelist, “Whistleblowers: US Regulatory Trends and Best Practices,” Webinar, July 18, 2024
- Panelist, "Short and Distort: Understanding and Responding to Short-Seller Reports," Webinar, June 20, 2024
- Panelist, “New Russia Sanctions Signal Paradigm Shift,” Webinar, January 11, 2024
- Panelist, “Investigations in the Age of Artificial Intelligence,” Webinar, December 7, 2023
- Panelist, “Managing Crisis and Preparing for the Unexpected,” Institute of Directors India, October 27, 2023
- Panelist, “Conducting an Effective Internal Investigation and Avoiding Common Pitfalls,” Webinar, October 26, 2023
- Panelist, “Ephemeral Messaging, Tangible Costs: The DOJ, SEC, and CFTC Crackdown on Off-Channel Communications,” Webinar, June 21, 2023
- Panelist, “Private Equity Enforcement Trends,” Webinar, March 2, 2023
In addition, Sean has authored the following articles:
- Co-Author, "The SEC and Messaging Apps," Harvard Law School Forum on Corporate Governance (June 15, 2022).
- Co-Author, “The Monaco Memo: What Could It Mean for Criminal Antitrust Enforcement?,” Competition Policy International (Dec. 12, 2021).
- Co-Author, “The End of Independent Agencies?: Restoring Presidential Control of the Executive Branch,” Federalist Society Review (2021).
- Co-Author, “Re-Examining the Notion that Public Companies Cannot Fight Criminal Charges,” Financier Worldwide (October 2014).
Sean’s experience includes the following representative matters:
- Represented a public company in an SEC investigation into allegations of material misrepresentations regarding key performance indicators, stemming from a short-seller report. Obtained a public declination which avoided any enforcement action against the client or its officers and directors.
- Represented an Internet-streaming platform on its efforts to comply with a thicket of cross-cutting international regulations and pressures. Representation involved interactions with the White House, Congress, and various foreign regulators.
- Represented a global media, marketing, and communications company on Congressional and competition issues stemming from its multi-billion-dollar acquisition by a competitor.
- Managed unique, dual monitorships imposed by the DOJ and the CFTC, evaluating remediation of the bank’s compliance program following criminal and regulatory resolutions for alleged trading misconduct.
- Advocated successfully for a presidential pardon of an international banker charged by DOJ with multiple counts of bribery, resulting in dismissal of all charges.
- Represented a power generation company in a fast-moving investigation by state authorities stemming from a significant weather event.*
- Developed and executed litigation strategy challenging anticompetitive conduct by several major telecommunications companies in their negotiations with content providers.*
- Represented the United States in petitions for review of independent agencies’ actions under the Hobbs Act (including petitions against the Federal Communications Commission, Surface Transportation Board, and Federal Maritime Commission).*
*Sean advised on these matters prior to joining Willkie.
Credentials
Education
Yale Law School, J.D., Yale Law Journal, Executive Editor, 2011 Stanford University, B.A. (with distinction and honors), 2008
Bar Admissions
Court Admissions
United States Supreme Court United States Court of Appeals, 1st Circuit United States Court of Appeals, 7th Circuit United States Court of Appeals, 11th Circuit United States Court of Appeals, D.C. Circuit United States Court of Appeals, Federal Circuit United States District Court, District of Columbia United States District Court, Western District of Michigan
Clerkships
Hon. Brett M. Kavanaugh, United States Supreme Court, 2025-2026 Hon. Steven M. Colloton, United States Court of Appeals, 8th Circuit, 2011 - 2012