Barry Boss

Attorney Profile

Top Rated White Collar Crimes Attorney in Washington, DC

Cozen O'Connor
 | 1200 19th Street, NW, Washington, DC 20036
Phone: 202-644-8932
Fax: 866-413-0172
Selected To Super Lawyers: 2007 - 2021
Licensed Since: 1986
Practice Areas:
  • Criminal Defense: White Collar
    Attorney Profile

    The managing partner of Cozen O'Connor's District of Columbia office and the co-chair of the firm's criminal defense and internal investigations practice group, Barry Boss has represented his clients in complex criminal defense matters for the past 30 years. Mr. Boss represents clients in federal courts throughout the United Sates, focusing on cases involving government investigations, trials and appeals in industries such as health care, food and beverage, sports and gaming. 

    Mr. Boss was awarded his Juris Doctor with high honors by the George Washington University Law School in 1985 after first receiving a Bachelor of Arts from Bates College in 1982. Before he joined Cozen O'Connor, Mr. Boss worked as an assistant federal public defender. He has substantial appellate and trial experience, and has tried numerous criminal matters in United States District Courts throughout the country.  In addition, Mr. Boss has a deep background in federal sentencing and he is often retained by clients to handle that portion of the case.

    Over the years, Mr. Boss has developed a reputation as a highly skilled lawyer, as attested to his receipt of an AV Preeminent* peer review rating through Martindale-Hubbell. Mr. Boss has been selected for inclusion in the Best Lawyers in America directory each year since 2010. He is also listed in The National Trial Lawyers: Top 100 and has been named as one of the 10 best attorneys in Washington, D.C., by SuperLawyers and by the American Institute of Legal Counsel. Mr. Boss additionally holds a perfect 10.0 "Superb" peer review rating through Avvo.

    Mr. Boss is a co-author of Federal Criminal Practice, a treatise written for criminal defense attorneys. He is an active participant in the Criminal Justice Section of the American Bar Association where he is currently the co-chair of the Sentencing Committee.

    *AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

    Practice Areas
    • 100%Criminal Defense: White Collar
    Focus Areas

    White Collar Crime, Criminal Law - Federal


    Selected to Super Lawyers for 15 yearsbottom-image

    Super Lawyers: 2007 - 2021

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    About Barry Boss

    Admitted: 1986, Washington D.C.

    Professional Webpage:


    • 2000 Lawyer of the Year, District of Columbia Association of Criminal Defense Lawyers
    • Distinguished Adjunct Faculty Teaching Award, George Washington University Law School
    • Super Lawyer, Washington, D.C., Super Lawyers Magazine
    • American Institute of Criminal Law Attorneys: "10 Best" Attorneys for the District of Columbia
    • Chambers & Partners USA, 2010-2016
    • Fellow, American Board of Criminal Lawyers
    • Global Investigations Review's Who's Who Legal: Investigations, 2015
    • Top 10, Washington, D.C., Super Lawyers Magazine
    • Best Lawyers in America, 2010-2016
    • Top Lawyer for criminal defense, Washingtonian Magazine
    • The National Trial Lawyers: Top 100 Trial Lawyers

    Bar/Professional Activity:

    • U.S. Court of Appeals for the Second Circuit
    • U.S. District Court -- Maryland
    • American Bar Association
    • Maryland
    • Edward Bennett Williams Inn of Courts
    • U.S. Court of Appeals for the Eleventh Circuit
    • Past Co-Chair, U.S. Sentencing Commission's Practitioners Advisory Group
    • U.S. Court of Appeals for the Ninth Circuit
    • U.S. District Court -- District of Columbia
    • U.S. District Court -- Northern District of Texas
    • District of Columbia
    • D.C. Association of Criminal Defense Lawyers
    • U.S. Court of Appeals for the District of Columbia Circuit
    • Co-Chair, American Bar Association's Criminal Justice Section Sentencing Committee
    • U.S. Court of Appeals for the Fourth Circuit
    • U.S. Court of Appeals for the Third Circuit
    • U.S. District Court -- Eastern District of Michigan
    • American Board of Criminal Lawyers
    • U.S. Supreme Court
    • National Association of Criminal Defense Lawyers
    • U.S. Court of Appeals for the Fifth Circuit
    • Member, ABA's Task Force on The Reform of Federal Sentencing for Economic Crimes

    Scholarly Lectures/Writings:

    Educational Background:

    • Bates College, B.A., 1982
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    Office Location for Barry Boss

    1200 19th Street, NW
    Washington, DC 20036

    Phone: 202-644-8932

    Fax: 866-413-0172

    Barry Boss:

    Last Updated: 1/30/2021

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