Atty. William D. Briendel
William Briendel is Co-Chair of the Broker-Dealer Securities Litigation Practice and a litigator who represents broker-dealers and their employees in virtually all aspects of their business. He is experienced in arbitrations and mediations before the Financial Industry Regulatory Authority (FINRA) (which combined the arbitration and enforcement functions of the National Association of Securities Dealers (NASD) and the New York Stock Exchange (NYSE)) and the American Arbitration Association (AAA), and in regulatory and enforcement proceedings before the Securities and Exchange Commission (SEC),
Profile Summary
About William D. Briendel at a glance
William D. Briendel is a Shareholder; Co-Chair, Broker-Dealer Securities Litigation Practice based in New York, New York, practicing at Greenberg Traurig, LLP. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on business, litigation, and adr. Admitted to practice in New York (1985). Educated at University of Massachusetts at Amherst (B.A., 1981) and Georgetown University Law Center J.D. cum laude Georgetown University Law Center J.D. 1984 Associate Editor Georgetown University Law Center J.D. The Tax Lawyer (—). Active member of Professional & Community Involvement •Member, New York State Bar Association •Past President, Variety The Children's Charity •Volunteer, Memorial Sloan Kettering Cancer Center: Pediatric Unit. Serands clients in New York, NY and the surrounding metropolitan area.
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About
- William Briendel is Co-Chair of the Broker-Dealer Securities Litigation Practice and a litigator who represents broker-dealers and their employees in virtually all aspects of their business
- He is experienced in arbitrations and mediations before the Financial Industry Regulatory Authority (FINRA) (which combined the arbitration and enforcement functions of the National Association of Securities Dealers (NASD) and the New York Stock Exchange (NYSE)) and the American Arbitration Association (AAA), and in regulatory and enforcement proceedings before the Securities and Exchange Commission (SEC), FINRA and other regulatory and self-regulatory organizations
- Bill also conducts internal investigations for his broker-dealer clients
- He has a wide-ranging experience in a broad range of commercial litigation matters as well
- Concentrations •Securities/Broker-Dealer arbitration and mediation •Securities/Broker-Dealer regulatory practice •Internal investigations •Broker-Dealer employment matters •Complex civil litigation Recognition & Leadership Awards & Accolades •Listed, The Legal 500 United States •Dispute Resolution - Securities Litigation - Defense, 2017-2023 and 2025 •Litigation - Securities - Shareholder Litigation, 2014-2016
Practice Areas Explained
William D. Briendel's Areas of Practice
Each practice area below reflects the types of cases William D. Briendel handles, with a brief overview of what that area of law covers.
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
William D. Briendel is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
William D. Briendel is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →
Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.
William D. Briendel is one of 73,906 adr attorneys indexed nationally. Browse adr attorneys in New York →
Jurisdictional Context
Why local counsel matters in New York
Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.
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