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Local Litigation Star

Practice area:

White collar crime


Daniel Ruzumna is a Partner in the Firm’s Litigation department and Co-Chair of its White Collar Defense and Investigations Group. He has extensive trial and appellate experience, having served as lead counsel in nearly twenty trials and arbitration hearings and having argued over fifteen cases before federal and state appellate courts. Mr. Ruzumna was recently inducted as a Fellow in the American College of Trial Lawyers. 


Mr. Ruzumna’s practice focuses on the areas of white collar criminal defense and related regulatory proceedings, internal investigations, asset forfeiture proceedings, and complex financial litigation. He has represented corporations and individuals in high-profile criminal and regulatory investigations involving alleged violations of the securities laws, antitrust laws, tax laws, and Foreign Corrupt Practices Act. Mr. Ruzumna regularly conducts confidential investigations on behalf of clients, including a professional sports league, a university, financial firms, and pharmaceutical and health care companies. He has also represented private equity, media, and telecommunications clients in complex civil litigation, international arbitrations, and art-related disputes. 


Before joining Patterson Belknap in 2005, Mr. Ruzumna spent six years working at the U.S. Attorney’s Office for the Southern District of New York, where he last served as Acting Chief of the Major Crimes Unit, a unit of more than 20 prosecutors dedicated to investigating and prosecuting economic crimes and financial frauds. As a federal prosecutor, Mr. Ruzumna investigated and prosecuted white collar criminal cases involving bank fraud, mail and wire fraud, health care fraud, securities fraud, criminal tax violations, and money laundering. He prosecuted organized crime and litigated civil and criminal asset forfeiture actions. In 2004, Mr. Ruzumna received the Department of Justice’s John Marshall Award for Asset Forfeiture, the Department’s highest honor, and acted as an instructor of trial advocacy at the Department’s National Advocacy Center. 


After law school, Mr. Ruzumna served as a Law Clerk to the late Hon. Jay C. Waldman, U.S. District Court for the Eastern District of Pennsylvania. Mr. Ruzumna spent almost four years in private practice in Washington DC before becoming a federal prosecutor. Mr. Ruzumna graduated from the University of Michigan School of Law in 1994. 

Updated Sep 2021