Mark J. Biros


Partner, Proskauer Rose LLP, Adjunct Professor of Law

A.B., Princeton; J.D., Georgetown

A.B., Princeton; J.D., Georgetown. Professor Biros is a partner in the Washington, D.C., office of Proskauer Rose LLP. He served...

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A.B., Princeton; J.D., Georgetown. Professor Biros is a partner in the Washington, D.C., office of Proskauer Rose LLP. He served as assistant U.S. attorney for the District of Columbia from 1977-88 and as assistant attorney general in the Office of the Special Prosecutor for Pennsylvania from 1974-77. Professor Biros was assistant counsel to the U.S. Senate's Watergate Committee. He has a wide range of teaching experience, having served as a faculty member for the Federal Judicial Center, Seminar on Criminal Law for Federal Judges, the National Institute on Health Care Fraud, the District of Columbia and Kentucky Bar Association's CLE programs, and the National Health Lawyers Association, where he lectured on various criminal law issues as well as representing individuals and organizations in federal and state investigations; the Department of Justice Legal Education Institute on Advocacy Skills, for whom he conducted the Expert Witness Seminar; and, the Roscoe Pound American Trial Lawyers Foundation, where he taught a seminar on trial techniques.

Professor Biros has tried over 100 criminal jury trials. For several years as an Assistant U.S. Attorney for the District of Columbia he supervised over forty criminal trial attorneys. In his later years as an Assistant he oversaw an undercover operation by U.S. Customs directed at the identification and prosecution of persons involved in illegal international transactions involving arms, other munition items and controlled technology.

In June 2008, Professor Biros addressed the International Bar Association's ("IBA") 11th Transnational Crime Conference in London about investigations of, and prosecutions for, violations of U.S. economic sanctions. He also addressed the International Bar Association's Annual meeting in October 2008 in Buenos Aires where he spoke on Minimizing the Impact of Corruption on the Rule of Law &International Business - Detecting, Investigating & Responding to Corrupt Conduct. At the 12th Transnational Crime Conference in June 2009, Professor Biros gave a presentation on how to respond to, and manage, a coordinated multi-national law enforcement investigation. In February 2011, Professor Biros was named an Officer of the Criminal Law Committee of the International Bar Association to serve as its North American Regional Representative. In 2012, he was selected to be a member of a panel at the International Bar Association's annual meeting in Dublin addressing the topic: Navigating the Criminal Law Minefield: A Cautionary Tale for Defense Lawyers and Lawyers Representing Corporations. In 2014, he chaired a panel at the 17th Transnational Crime Conference of the International Bar Association in Istanbul entitled The International whistleblower – hero or villain? In 2015, he spoke at the IBA Transnational Crime Conference in Berlin as a panelist covering the topic “Is nothing sacred? The production and use of internal investigation findings and reports in third party proceedings.” Also in 2015, he co-chaired a panel at the IBA annual meeting in Vienna dealing with Inherent and Subsequent Risks: Criminal Liability for Individuals and Entities Arising out of Mergers and Acquisitions. In early 2016, Professor Biros co-chaired a panel analyzing recent developments in the prosecution and defense of Money Laundering cases at the IBA Transnational Crime Conference in Panama City, Panama. At the International Bar Association annual meeting in Washington, D.C. in the Fall of 2016, Professor Biros, along with two other officers of the IBA staged a mock U.S. criminal trial for international criminal attorneys attending the IBA meeting. The mock trial was held in the United States District Court for the District of Columbia. The presiding judge was the Honorable Richard Leon, who is also a Georgetown University Law Center Adjunct Professor. Professor Biros has just completed his two year term as the Co-Chair of the Criminal Law Committee of the International Bar Association.