Sheppard MullinPartner

Bill Mateja

About Bill Mateja

Bill Mateja is a lawyer practicing white collar defense and corporate investigations, foreign corrupt practices act (fcpa), governmental practice and 12 other areas of law. Bill received a B.S. degree from University of Notre Dame in 1983, and . Bill practices at Sheppard Mullin in Dallas, TX.

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Services

Areas of Law

  • Government Contracts
  • Litigation
  • Alternative Dispute Resolution
  • Other 12
    • White Collar Defense and Corporate Investigations
    • Foreign Corrupt Practices Act (FCPA)
    • Governmental Practice
    • False Claims Act
    • Organizational Integrity Group
    • Financial Services Litigation
    • Securities Enforcement
    • Securities Litigation
    • Blockchain and Fintech
    • Blockchain
    • Fintech
    • Healthcare

Practice Details

  • Firm Information
    Position
    Partner
    Firm Name
    Sheppard Mullin
  • Representative Cases & Transactions
    Cases
    Experience: Key Matters: Currently representing Texas' Attorney General in connection with a state criminal securities fraud prosecution.
    Successfully represented Missouri's former governor in connection with a federal investigation regarding unsubstantiated allegations of political patronage
    Successfully represented multiple individuals
    companies in connection with various SEC insider trading, accounting fraud
    other investigations
    Conducted tens of corporate internal investigations involving subjects as varied as vendor kickback schemes, illegal bribes
    gratuities, Foreign Corrupt Practices Act
    insider trading by a company's chief executive officer.
    Conducted the internal investigation of a Chief Compliance Officer of a national health care provider who intended to be a whistleblower under the False Claims Act.
    Successfully represented numerous companies
    individuals in connection with federal
    state whistleblower lawsuits
    resulting civil
    criminal investigations conducted by HHS-OIG, the FBI, U.S. Attorney's Offices
    state Medicaid officials.
    Successfully represented numerous individual healthcare providers in indicted criminal cases, federal
    state healthcare fraud investigations,
    matters before state medical boards.
    Made numerous criminal referrals to prosecutors
    regulatory agencies in matters involving trade secret theft, embezzlement, dealing with prohibited countries, money laundering
    other alleged criminality.
    Successfully represented multiple oil
    gas promoters before federal
    state securities regulators to beat back charges that their sponsored joint ventures constituted securities under federal
    state law.
    Successfully represented multiple physician
    dental practice groups in connection with numerous Medicare
    Medicaid fraud investigations.
    Successfully represented multiple healthcare providers
    DME/pharma interests in Anti-Kickback, Stark Act, off-label promotion
    False Claims Act investigations
    cases.
    Successfully represented multiple companies civilly
    criminally in connection with a departing employee's alleged theft of corporate trade secrets.
    Obtained the dismissal of a state securities fraud case against a University of Texas professor
    Obtained a deferred prosecution of $900 million window
    door manufacturer in connection with an ICE worksite enforcement prosecution
    obtained dismissal of restaurant manager in federal criminal case involving allegations of hiring of illegal aliens.
    Successfully represented a major, publicly traded medical provider
    leading home-
    community-based service provider to the mentally ill in a joint federal/state whistleblower lawsuit alleging millions of dollars in damages.
    Counseled numerous companies on compliance with the Foreign Corrupt Practices Act
    federal export laws.
    Counseled numerous companies on compliance with the Heath Insurance Portability
    Accountability Act (HIPAA).
    Represented a West Texas agribusiness in a major criminal
    civil False Claims Act prosecution
    investigation.
    Represented the former chairman of the board of a publicly traded company before the Delaware Chancery Court in a shareholder derivative action.
    Served as a AAA arbitrator in two arbitrations, one of which was an arbitration involving a hospital
    claims administrator.
    Successfully represented a $900 million manufacturing concern in connection with parallel criminal
    SEC investigations involving allegations of accounting fraud
    self-dealing.
    Represented significant business concerns in connection with insurance coverage disputes
    Represented Innovation First, Inc., in suing the Dominion Multiple Employer Welfare Benefit Trust
    American General Life Insurance Company, among others, in connection with Innovation First's participation in the Trust.
    Counseled a debt consolidation business on compliance matters, including compliance with various FTC regulations.
    Represented a money transmitting business in a federal unlicensed money transmitting business prosecution.
    Represented an individual before DOJ's Office of Pardon Attorney
    in connection with his application for a federal pardon.
    Successfully represented multiple individuals in connection with mortgage fraud investigations
    prosecutions.
    Counseled significant life insurance company on anti-money laundering
    OFAC compliance.

Experience

  • Bar Admission & Memberships
    Admissions
    Texas
    United States Supreme Court
    United States Court of Appeals for the Fifth Circuit
    United States District Court for the Eastern District of Texas
    United States District Court for the Northern District of Texas
    United States District Court for the Southern District of Texas
    United States District Court for the Western District of Texas
    Memberships

    Memberships

    President, Dallas Bar Association, 2024

    President-Elect, Dallas Bar Association, 2023

    Member, Texas Bar College, 2007-2020

    Adjunct Professor, Texas Tech School of Law, 1995-2002, 2006-2012

    Member, American Bar Association, 1986-2000, 2005-present

    Co-Chair, American Bar Association, North Texas-Oklahoma Subcommittee of the Criminal Justice Section's White Collar Crime Committee, American Bar Association, 2006-present

    Member, Criminal Justice Section Book Board, American Bar Association, 2013-present

    Member, Criminal Justice Section Upjohn Working Group, American Bar Association, 2008, 2009

    Member, Criminal Justice Section Parallel Proceedings Task Force, American Bar Association, 2010-2012

    Member, Criminal Justice Section, American Bar Association, 2005-present

    Texas Delegate, Young Lawyers Division, American Bar Association, 1996-1999

    Member, American Health Lawyers Association, 2016-present

    Member, Dallas Bar Association, 1986-1991, 2005-present

    Director, Board of Directors, Dallas Bar Association, 2015-present

    Co-Chair, 2015 Equal Access to Justice Campaign,

    Chair, Trial Skills Section, 2011-2012
    Immediate Past-Chair 2013-2014
    Vice Chair, Dallas Bar Association, 2009-2010

    Director, Dallas Bar Association, 2007-present

    Secretary-Treasurer, Dallas Bar Association, 2009-2010

    Co-Chair, Bench Bar Committee, Dallas Bar Association, 2008

    Member, Dallas Bar Foundation, 2006--present

    Member, Dallas Young Lawyers Foundation, 2005--present

    Member, Lubbock County Bar Association, 1991--2004

    Member, Lubbock County Defense Lawyers Association, 2010-present

    Member, Health Care Compliance Association, 2010-present

    Member, National Association of Assistant U.S. Attorneys, 1995--2004

    Member, National Association of Criminal Defense Lawyers, 2005-present

    Vice Chair, White Collar Crime Committee, National Association of Criminal Defense Lawyers, 2006-2008

    Member, Texas Criminal Defense Lawyers Association, 2005-present

    Member, Texas Disciplinary Rules of Professional Conduct Committee, 2006-2009

    Member, Texas Bar Foundation, 1997-present

    Co-Chair, Dallas Nominating Committee, Texas Bar Foundation, 2014-2015

    Member, Board of Trustees, Texas Bar Foundation, 1997-1998

    fellow and Sustaining fellow, Texas Bar Foundation, 1997-present

    Member, Texas Young Lawyers Association, 1986-2000

    Texas Young Lawyers Association, President, 1997-1998
    Immediate Past President, 1998-1999
    President Elect, 1996- -1997

    Chair, Liberty Bell Committee, Texas Young Lawyers Association, 2000-2001

    Chair, Outstanding Young Lawyer of Texas Committee, Texas Young Lawyers Association, 1999-2000

    Member, Board of Directors, Texas Young Lawyers Association, 1995-1999

    Regional Coordinator for Disaster Legal Services, Texas Young Lawyers Association, 1995-1999

    Trustee, Texas Tech Law School Foundation, 2016-present

  • Education & Certifications
    Law School
    Texas Tech University School of Law
    Class of 1986
    J.D.
    Other Education
    University of Notre Dame
    Class of 1983
    B.S.

Bill Mateja

Partner at Sheppard Mullin
Not yet reviewed

2200 Ross Avenue, 20th FloorDallas, TX 75201U.S.A.

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