About Mr. Adam S. Hoffinger

Adam S. Hoffinger is an experienced and highly regarded trial lawyer and trusted advisor to companies and individuals. Co-Chair of the White Collar Defense & Investigations Practice, Adam focuses his practice on white collar criminal and complex civil matters, including health care, securities, the Foreign Corrupt Practices Act (FCPA), False Claims Act (“qui tam”), export sanctions, criminal tax, money laundering, antitrust, and bankruptcy. He counsels companies and individuals in compliance matters, government investigations, and congressional and regulatory matters. He also represents attorneys and other professionals in disciplinary proceedings.

Adam conducts internal investigations on behalf of corporate boards of directors, bankruptcy trustees, and public authorities. He has defended numerous high-ranking executives and general counsel from some of the world’s largest companies, as well as staff and members of the Senate, Congress, White House, and various government agencies, faced with federal and state criminal investigations and indictments. He has also represented sports figures in high profile public investigations.

Adam is a fellow of the American College of Trial Lawyers (top 1% of trial lawyers in United States) and has tried cases throughout the country. Adam has been recognized in Chambers USA (Band 1) as “an absolutely fearless criminal defense lawyer” as well as for his “immense talent as a trial lawyer” and “strong advocacy skills,” in The Legal 500 US as “an aggressive trial advocate,” and in Benchmark Litigation: The Definitive Guide to America's Leading Litigation Firms and Attorneys as a “celebrated government investigations practitioner.”

From 1985 to 1990, Adam served as an Assistant U.S. Attorney for the Southern District of New York. He received the Director’s Award for Superior Performance from the U.S. Department of Justice (DOJ) in 1990.

Recognition & Leadership

Awards & Accolades

•Listed, Benchmark Litigation, 2015-Present
•Listed, The Best Lawyers in America, 2003-2026
•Listed, Chambers USA, 2007-Present (Band 1)
•Listed, Washingtonian Magazine, 2002-Present
•'Top Lawyers Hall of Fame,' 2022
•Listed, Expert Guides, White Collar Crime
•Listed, Global Investigations Review
•Listed, Lawdragon, “500 Leading Litigators in America,” 2022-2026
•Listed, Lawdragon, “500 Global Leaders in Crisis Management,” 2025
•Listed, Who’s Who Legal, Business Crime Defence
•Listed, The Legal 500 US, 2013-Present
•Listed, National Law Journal, “Hot Defense List,” 2007
•Listed, Super Lawyers Magazine, Washington D.C. Super Lawyers, 2007-Present
•Listed, LMG Life Sciences, 2013-Present
•“Life Sciences Star,” 2013-Present
•“Government Investigations Attorney of the Year,” 2015
•Team Member, National Law Journal, “Washington, D.C. Litigation Department of the Year - White Collar Defense & Special Investigations,” 2022
•Recipient, U.S. Department of Justice, Director’s Award for Superior Performance, 1990

 

Awards

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Services

Areas of Law

  • Litigation
  • Other 6
    • White Collar Defense & Special Investigations
    • Regulatory & Compliance
    • Securities Litigation
    • Health Care & FDA Practice
    • Antitrust Litigation & Competition Regulation
    • Trial Practice

Practice Details

  • Firm Information
    Position
    Shareholder
    Firm Name
    Greenberg Traurig, LLP
  • Representative Cases & Transactions
    Cases
    Experience: U.S. Sanctions: Represented former chairman
    CEO of government contracting
    procurement company charged with violating sanctions laws in connection with providing food to U.S. troops in Afghanistan. Following extensive litigation, DOJ entered into a non-prosecution agreement with the client
    indictment was dismissed in its entirety.

    Health Care/Pharma Prosecutions
    Investigations: Represent former Executive Vice President of public company under investigation by DOJ, SEC, State Attorneys General in connection with manufacturing of COVID vaccines.
    Represented former chief medical officer of opioid manufacturer.
    Served as counsel to global pharmaceutical company in multiple civil
    criminal actions
    investigations.
    Represented former chief compliance officer of a global pharmaceutical company in investigation of alleged 'off-label' (not approved by FDA) marketing of anti-addiction medication.
    Represented former president of a global biotech company in criminal
    related civil
    administrative proceedings concerning off-label promotion of prosthetic bone cement used in spinal surgery.
    Represented a former senior executive of a Fortune 500 health care
    pharmaceutical company in connection with investigation of company's good manufacturing practices (GMP)
    recall of children's medication.

    Health Care Fraud Trial: Obtained complete jury defense on behalf of a former pharmaceutical sales executive in a criminal case charging conspiracy
    violations of the federal Anti-Kickback statute. Following a two-week trial in U.S. District Court for the District of Massachusetts, in Boston (U.S. v. Bruens, et al.), a jury took less than three hours to fully exonerate the client, who faced up to 15 years in prison.

    FCPA Investigations: Represent former executive of multinational mining
    trading company in DOJ/SFO investigation of FCPA violations
    alleged bribery worldwide.
    Represent president of international minerals mining company in DOJ investigation of FCPA violations.
    Represented former senior executive of global retailer in investigation by DOJ, Securities
    Exchange Commission (SEC),
    other agencies into possible violations of the FCPA in Mexico.
    Represented former president of a Fortune 500 oil services conglomerate in an FCPA investigation into improper payments to government officials in Africa.

    Foreign Agent Registration/Alleged Spying: Represent former software engineer at leading social media company charged with violating laws governing registration of agents for foreign governments
    alleged spying for a foreign sovereign.

    Washington Metro (WMATA): Conducted internal investigation on behalf of board of directors ethics committee, into ethics violations by WMATA's chairman.
    Conducted internal investigation on behalf of WMATA into circumstances surrounding train derailment.
    Obtained dismissal of False Claims Act lawsuit on sovereign immunity
    other grounds, in Williams v. WMATA, U.S. District Court for the District of Columbia (Mehta, J.).
    Defended WMATA in two False Claims Act lawsuits in the U.S. District Court for the District of Columbia
    the U.S. District Court for the District of Maryl
    . Both cases were dismissed voluntarily by the plaintiffs following the filing of WMATA's motion to dismiss.

    Agricultural Bank of China: Represent third-largest Chinese bank in U.S. litigation. Defeated motion to hold bank in contempt
    impose $150 million in fines for resisting enforcement of third-party subpoena. U.S. Court of Appeals for the Second Circuit affirmed.

    Defense of Journalist: Represented journalist in high profile DOJ investigation of news outlet involving First Amendment freedom of press, Attorney-Client privilege, search
    seizure
    related issues. Gr
    jury investigation closed with no charges.

    Government Contracts: Represent president of global defense contractor in investigation of U.S. government contracts in Afghanistan
    Iraq.

    Cares Act Investigation: Conduct investigation of alleged fraud involving federal Cares Act/PPP loans.

    Diesel Emissions Investigations: Represented former senior executive of VW automotive group in investigation by DOJ into alleged fraud in connection with diesel engine emissions testing.
    Represented executive of Audi automotive group in investigation by DOJ into alleged fraud in connection with diesel engine emissions testing.

    Corporate Looting Trials: Represented the former chairman
    chief executive officer of Kansas public utility in DOJ
    IRS investigations, related shareholder litigation
    arbitration proceedings (dubbed by the media the 'Enron of Kansas'). Lead counsel on three-month trial that ended in a hung jury
    second trial ended in conviction but was reversed on appeal
    subsequently dismissed.

    Money Laundering Trial: Obtained complete acquittal of client in multi-defendant trial of money laundering
    tax charges.

    Investigation of MF Global: Conducted investigation, on behalf of trustee in bankruptcy, into collapse of global financial broker once led by the former governor of New Jersey
    CEO of Goldman Sachs. Prepared report for the court
    brought suit for breaches of fiduciary duty.

    Pennsylvania Charter Schools Tax Investigation: Represented former chairman of PA Cyber, Pennsylvania's largest charter school corporation, against charges of fraud
    tax evasion.

    International Tax Investigation: Represented banker at one of the oldest banks in Switzerl
    in investigation by DOJ into alleged federal tax evasion related to undeclared offshore accounts.

    Antitrust Investigations: Represent former executive of pharmaceutical company in price-fixing investigation.
    Represented Fortune 100 company in an international criminal antitrust investigation.
    Represented executive of global company in investigation of alleged international cartel activity.

    Public Corruption Investigation: Represented commercial real estate developer in investigation of alleged bribery
    'pay to play' arrangements with municipal governments
    high-ranking public officials.

    Freddie Mac: Represented senior executive at Freddie Mac in connection with earnings manipulation investigations conducted by SEC
    DOJ.

    Defense of Investment Bank Officer in SEC Investigation: Defended a former officer of an investment bank in DOJ
    SEC investigations alleging failure to supervise a conflict of interest transaction involving a substantial referral fee. No government action was ultimately taken against our client, after multiple settlement offers from the SEC were turned down.

    Investigation of Energy Company: Selected by court-appointed examiner to advise
    assist with a federal court's investigation of a multibillion-dollar energy company
    preparation of examiner's report following over $2 billion of trading losses
    other irregularities.

    Campaign Finance/Public Corruption Investigations: Represented various public officials
    congressional
    campaign staffers in campaign finance
    public corruption investigations, including chief of staff to U.S. Senator
    campaign finance director for U.S. Senate campaign
    press secretary to the First Lady
    campaign finance director for U.S. Senator

    communications director for Congressional Caucus. Also represent private donors
    business lobbyists in campaign finance inquiries, independent,
    special counsel investigations.

    False Claims Act Litigation: Represented major pharmaceutical companies in qui tam litigation concerning Medicare
    Medicaid reimbursement violations, off-label promotion,
    other health care fraud-related claims. Obtained complete dismissal of qui tam lawsuit on behalf of pharmaceutical company.

    Steroid/HGH Investigations: Represented sports figures in investigations conducted by DOJ
    Major League Baseball into use of performance-enhancing substances.

    Ruby Ridge: Represented a member of the FBI Hostage Rescue Team in civil
    criminal proceedings stemming from the confrontation at Ruby Ridge, Idaho, that resulted in the deaths of a U.S. marshal
    two civilians. All criminal charges against our client were dismissed.
    The above representations were h
    led by Mr. Hoffinger prior to his joining Greenberg Traurig, LLP.

    Professional Disciplinary Proceedings: Represent former federal prosecutor in high profile matter charged with violations of bar disciplinary rules.

    Government Experience: Assistant U.S. Attorney, U.S. Attorney's Office, Southern District of New York, 1985-1990

    Teaching Experience: Adjunct Professor, George Washington University Law School, 2008-Present
    Instructor, Georgetown University Law Center's National Institute of Trial Advocacy (NITA), 1992-Present
  • Additional Links

Experience

  • Bar Admission & Memberships
    Admissions
    1983, New York
    1992, District of Columbia
    Memberships

    Professional & Community Involvement

    •fellow, American College of Trial Lawyers (top 1% of total lawyer population)
    •fellow, International Academy of Financial Crime Litigators
    •Member, Alumni Board of Directors, Fordham University School of Law

  • Education & Certifications
    Law School
    Fordham University School of Law
    J.D.
    Other Education
    Trinity College
    B.A.
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Attorneys FAQs

  • Is this attorney admitted to the bar in more than one state?
    Yes, Mr. Adam S. Hoffinger is admitted to practice in District of Columbia and New York.
  • Is this attorney Martindale-Hubbell Peer Review rated?
    Yes, Mr. Adam S. Hoffinger has a 5.0 Peer Rating from Martindale-Hubbell.
  • How many attorneys are in this law firm?
    Greenberg Traurig, LLP has 2750 attorneys at this location.
  • What law school did this attorney attend?
    Mr. Adam S. Hoffinger attended Fordham University School of Law.
  • What year was this attorney's law firm established?
    Greenberg Traurig, LLP was established in 1967.