Caplin & Drysdale, Chartered

Caplin & Drysdale, Chartered has a well-regarded tax controversy practice, handling international tax disputes, FBAR penalty matters, and state and local tax controversies. The team is particularly active in fraud investigations, reportable transaction defense, and professional responsibility proceedings. The practice is led by Scott Michel, who advises on civil and criminal tax controversies, including voluntary disclosures and cross-border investigations, and Charles Ruchelman, who focuses on captive insurance taxation and related disputes. Niles Elber represents clients in IRS examinations, administrative appeals, collections matters, and federal court litigation. Victor Jaramillo advises high-net-worth individuals in complex tax controversy matters, while Leila Carney handles IRS examinations and Office of Professional Responsibility proceedings. Benjamin Eisenstat focuses on economic substance doctrine disputes. Carolyn Schenck joined from the IRS in October 2025, and Mark Matthews retired in January 2025. All team members based in Washington DC unless otherwise stated.