Justin E.Herdman


Cleveland + 1.216.586.7113

Justin Herdman, a former United States Attorney, is a trial lawyer who represents businesses and individuals involved in high-stakes government investigations, criminal litigation, and civil actions. Justin's practice is focused on obtaining favorable results in matters arising from alleged violations of state and federal laws, including fraud, the Foreign Corrupt Practices Act (FCPA), and the False Claims Act (FCA). He has successfully tried numerous cases in state and federal courts throughout his two decades in public service and private practice.

Prior to rejoining Jones Day in 2021, Justin served as the chief federal law enforcement officer for the Northern District of Ohio, where he led an office of 200 employees devoted to protecting almost 6 million residents. Justin was nationally recognized for his effort in developing strategic responses to controlled substances, terrorism, and violent crime, and his work has been featured in national media outlets including 60 Minutes, CNN, Fox News, and The New York Times. While U.S. Attorney, Justin served as vice chair of the Attorney General's Advisory Committee (AGAC), where he provided national-level guidance on the management and operations of the Justice Department. Justin was also named co-chair of the Attorney General's Prescription Interdiction and Litigation Task Force and was chair of AGAC's Terrorism and Violent Crime Subcommittee.

Justin previously served as an Assistant U.S. Attorney prosecuting national security offenses, including terrorism, money laundering, and export control violations. He is a former assistant district attorney in New York City and currently serves as a judge advocate in the U.S. Air Force Reserve.


  • Global automotive parts company successfully defends potential adverse administrative action by federal governmentJones Day represented a leading automotive parts manufacturer in defending against possible potential adverse administrative action by the Department of Defense.
  • Cleveland successfully prepares for Republican National Convention, including resolving ACLU lawsuitJones Day was engaged to represent the City of Cleveland in preparation for the Republican National Convention held in Cleveland from July 18-21, 2016.
  • Chart Industries acquires Hudson Products for $410 millionJones Day advised Chart Industries, Inc. in its $410 million acquisition of Hudson Products Corporation.
  • Owens Corning acquires Pittsburgh Corning for approximately $560 millionJones Day advised Owens Corning in its approximately $560 million acquisition of Pittsburgh Corning, the world’s leading producer of cellular glass insulation systems for commercial and industrial markets.
  • NEP Group acquires Broadcast Solutions GroupJones Day advised NEP Group Inc. in its acquisition of Broadcast Solutions Group.
  • KeyBank provides $625 million credit facility to NN, Inc.Jones Day represented KeyBank National Association in connection with its $525 million term credit facility and $100 million revolving credit facility provided to NN, Inc., a diversified industrial company and global manufacturer of metal bearing, plastic, rubber, and precision metal components.
  • RTI International Metals sold to Alcoa for $1.5 billionJones Day advised RTI International Metals, Inc., a global supplier of titanium and specialty metal products and services for the commercial aerospace, defense, energy, and medical device markets, in its $1.5 billion stock-for-stock acquisition by Alcoa Inc.
  • A. Schulman completes $375 million offering of Senior NotesJones Day represented A. Schulman, Inc., an international supplier of high performance plastic formulations, resins, and services which provides innovation solutions to customers in a range of end markets, in connection with its issuance of $375 million aggregate principal amount of 6.875% Senior Notes due 2023 in a Rule 144A and Regulation S offering.
  • Speaking Engagements

    • February 17, 2015
      Paris Terror Attacks: The Aftermath, Case Western Reserve University School of Law
    • December 12, 2014
      Investigating, Prosecuting and Defending White Collar Criminal Cases, Cleveland Metropolitan Bar Association Biennial Institute on White Collar Crime
    • December 2, 2014
      Government Investigations / SEC Enforcement Trends; Attorney-Client Privilege Issues in Internal Investigations; and False Claims Act Enforcement, Jones Day CLE Academy 2014
    • October 22, 2014
      Probes and Bribes: Practitioners’ Perspectives on the Foreign Corrupt Practices Act, Case Western Reserve University School of Law
    • December 3, 2013
      International Investigations in the Age of the Whistleblower: Views from Around the World, Jones Day CLE Academy 2013
    • December 3, 2013
      A Civil Action: The Civil Implications of a Criminal Investigation, Jones Day CLE Academy 2013
    • November 20, 2013
      Presentation on Foreign Intelligence Surveillance Courts Akron Scanlon-Bell Inn of Court
    • November 20, 2013
      RR Donnelley SEC Hot Topics Institute

    Speaking Engagements Prior to Jones Day

    May 15, 2020
    Predatory Housing Practices as a Result of COVID-19, Toledo Fair Housing Center and Legal Aid of Western Ohio

    March 4, 2020
    "Enforcement Action — Reducing the Supply," Department of Justice's National Opioid Summit, Washington, D.C

    February 25, 2020
    "Federal Law Enforcement Priorities and Challenges in the Northern District of Ohio," Harvard Law School Association of Cleveland, Cleveland, Ohio

    February 18, 2020
    "Protecting Your Client and Saving Lives: What Every Practitioner Needs to Know About Domestic Violence Charges and Firearms," Cleveland Metropolitan Bar Association, Cleveland, Ohio

    December 8, 2019
    "The Opioid Epidemic — Where Are We Now?: The Individual Legally," Case Western Reserve University, Siegal Lifelong Learning Program, Beachwood, Ohio

    December 3, 2019
    "Threat Team Oahu," Department of Justice's Symposium on Cutting Edge Tactics for Threat Assessment, Mitigation, Disruption, and Early Engagement, Washington, D.C.

    November 20, 2019
    "Elder Justice Conference — Remarks,” Cleveland State University, Marshall School of Law, Cleveland, Ohio

    October 17, 2019
    "Federal prosecutions of firearms offenses by domestic abusers," United States Attorney's Conference on Domestic Violence: New Approaches, Remaining Challenges, Cleveland, Ohio

    October 11, 2019
    "Fighting Back: A Legal Framework to Defeating the Opioid Crisis — Public Policy Panel," University of Toledo School of Law, Toledo, Ohio

    August 7, 2019
    "Panel: The Prescription Interdiction & Litigation (PIL) Task Force," DOJ Opioid Coordinators' Conference, Columbia, South Carolina