Arnold & Porter’s White Collar Defense & Investigations Practice Is Recognized by Chambers USA 2026

Enforcement Edge: Shining Light on Government Enforcement

By Marcus A. Asner Deborah A. Curtis

The 2026 edition of Chambers USA recognized Arnold & Porter’s White Collar Defense & Investigations practice for its strength and breadth in representing clients in their most complicated, sensitive government investigations, enforcement proceedings, and concurrent litigation in the below categories:

The practice maintained its coveted Band 1 ranking for the Nationwide False Claims Act designation, its Band 2 ranking in Washington, D.C. and New Jersey, and its recognized standing in New York’s elite tier.

Chambers ranked the below attorneys across the practice, including several new rankings:

Marcus Asner
Eun Young Choi, newly ranked for New York: White-Collar Crime & Government Investigations
James W. Cooper
Lee Cortes
Rachel Cotton, newly ranked for Government Relations: Congressional Investigations
Deborah Curtis, newly ranked for National Security and District of Columbia: White-Collar Crime & Government Investigations
John Fietkiewicz
Paul Fishman
Valarie Hays
Giselle Joffre
Michael Krouse, newly ranked for New York: White-Collar Crime & Government Investigations
Tirzah Lollar
Craig Margolis
John Nassikas
Michael Rogoff
Christian Sheehan

We are grateful to our clients who continue to trust us with their most complex matters. For more information on our white collar capabilities, please visit:

The 2026 edition of Chambers USA named Arnold & Porter a “Leading Firm” in 75 practice areas across the nation and recognized 144 lawyers as “Leading Individuals.” The full list of our firm’s rankings is available for review.

© Arnold & Porter Kaye Scholer LLP 2026 All Rights Reserved. This Blog post is intended to be a general summary of the law and does not constitute legal advice. You should consult with counsel to determine applicable legal requirements in a specific fact situation.