O Brien Securities Lawyers

Alison is an associate at Johnson, Newlon & DeCort, P.A. She joined the Firm in August 2021 as a law clerk during her final year of law school. Alison focuses her practice in the areas of business and commercial litigation, concentrating primarily on contract and other general business disputes. Alison attended the Florida State University College of Law. While in law school, she was an Executive Editor for the Florida State University Law Review, Chair of the Law School Council, a Student Ambassador to the Admissions Office, and an extern for the Honorable Judge Mark W. Klingensmith of the Fourth District...

From 1984 until 1997, David Weintraub represented the majority of this country’s largest securities firms. He knows the securities industry and how it operates. In 1997 David Weintraub switched sides, putting his extensive knowledge and experience to work for institutional and individual investors who have suffered investment losses. The firm’s practice focuses on Securities Arbitration and Litigation. We are especially sensitive to our clients’ desire to maintain their privacy – to not alert the general public to their investment losses. One of the most attractive features of the arbitration process is its confidential nature. Your...

Mr. Hunt received his Bachelor of Arts degree in business administration from Hanover College in 1983, and his Juris Doctor from the University of Dayton School of Law in 1986. He is a member of the Florida Bar, the United States District Court for the Middle District of Florida, the United States Court of Appeals for the Eleventh Circuit, and the United States Court of Appeals for the Ninth Circuit. Mr. Hunt was formally a member of Kiefner & Hunt, P.A. from 2003-Sept. 2006 and a shareholder with the Ft. Lauderdale, Florida law firm, Becker &...

Matt Mueller is a former federal prosecutor with the U.S. Department of Justice in Washington, D.C. and Tampa and an experienced trial lawyer. He focuses his practice on white collar defense, including civil and criminal tax, securities, and health care matters, regulatory enforcement actions, grand jury investigations, and civil litigation. Matt represents a diverse array of clients in these sensitive and high stakes matters including doctors, accountants and accounting firms, health care and dental professionals, firms and individuals in the financial services and securities industries, as well as small business owners and entrepreneurs.

Firm Founder, Paul K. Silverberg, established this law firm in 2000 based on his legal training at one of the largest international law firms, judicial clerk internship for a federal judge, professional business consulting and vital roles as Vice President of Corporate Affairs, Director of Finance and General Counsel.

Experienced attorney in Federal courts, Florida state courts and FINRA arbitration with focus in securities law, securities class actions, broker-dealer disputes and business law.

For over 24 years, I have dedicated my legal skills to advising and zealously representing clients in a variety of areas, including Securities Arbitration, Business Litigation, Employment and Partnership Disputes, Breach of Contract, Fraud and Negligence Claims, Commercial Real Estate Leases, Professional Malpractice, and Intellectual Property Actions.

In addition to handling litigation matters, I also represent businesses and individuals in commercial and secured transactions as well as in drafting and negotiating general contracts (such as non-disclosure agreements, employment covenants, distribution contracts, licenses, etc.).

I have extensive experience representing all types of clients, from single individuals to Fortune 500 companies. ...

Scott focuses his legal practice working with business owners to provide advice on asset protection, contract negotiations, corporate governance, and securities law. Scott’s experience includes extensive litigation experience that informs his approach to advising clients on various business transactions. While his practice is based in Florida, he is also admitted in Michigan and Illinois and has represented clients in many other jurisdictions.

Joshua A. Katz practices in the areas of Securities Arbitration and Litigation, Complex Commercial Litigation, Securities Regulation and Enforcement, Receivership Litigation, and Broker-Dealer Compliance and Defense.

Since 2004, Mr. Katz has focused his practice in the area of broker-dealer arbitration before FINRA, or the Financial Industry Regulatory Authority, formerly known as the NASD or National Association of Securities Dealers. Mr. Katz has extensive experience representing public investors, brokers, and broker-dealers in arbitrations.

Prior to joining Sallah Astarita & Cox, Mr. Katz was an associate for the law firm of Klein & Sallah, LLC. He has advised and represented brokerage firms in proceedings...

Philip Bartlett began his legal career with world prominent law firms in New York City, working with counsel on securities litigation and corporate financial disputes. During law school he interned with two prestigious securities litigators in the Miami area. At the present time, his law firm Bartlett Legal is focused on providing representation in the following areas: securities litigation, securities offerings, banking regulation, payment systems regulation, corporate law, and bankruptcy. For his clients, he has successfully completed Chapter 11 reorganization, managed securities offerings, organized business policies and procedures related to board decisions, litigated securities cases, and...

David A. Carter is a member of the Florida and Iowa Bar Associations. He has been practicing law since 1982 and in the Boca Raton, Florida area since 1990. He graduated from the University of South Florida with a degree in finance. He obtained his law degree from Drake University in Des Moines, Iowa in 1982. For seven years following graduation from law school, Mr. Carter practiced law with the Des Moines law firm of Neiman, Neiman, Stone & Spellman, P.C. where he specialized in bankruptcy law. Most of Mr. Carter’s clients are individuals or businesses in financial distress. He represents retirees...

Prior to attending law school, Mr. Young spent over eight years working in the securities industry. During that time period, he was a Vice President at a global securities and money management firm located in Winter Park, Florida, holding licenses as a General Securities Registered Representative (Series 7), a Registered Investment Advisor Representative (Series 65), a Uniform Securities Agent State Law Examination (Series 63) and Florida Insurance and Variable Annuity. Mr. Young joined the firm of Colling Gilbert Wright & Carter in September 2006 after spending several years practicing plaintiff-side securities litigation with Hooper & Weiss, LLC. He continues to...

Alexander regularly advises clients on corporate transactions, alternative investments, and Blockchain/Distributed Ledger Technology (DLT) related matters. He has helped companies raise capital through traditional and nontraditional vehicles, and advises clients on a variety of business arrangements. He has experience advising investors, entrepreneurs, and startups through the different stages of corporate growth, including acting as outside general counsel for several of these companies.

Prior to practicing law, over the span of 10 years, he successfully founded and operated several businesses in the legal-technology, human resources/outsourcing, and entertainment industries.

Alexander earned a Master’s degree in finance from Harvard University, where he served as a...

Since 2000, I have helped business owners, professionals, and other people understand how the law affects them, their businesses, and their families, I have helped them deal with problems, and I have helped them realize opportunities. I've helped people with a wide range of legal matters including business ownership, mergers and acquisitions, private placements, commercial transactions, joint ventures, business succession planning, wills, trusts and estate planning, estate tax planning, asset protection planning, trust administration, probate administration, and federal and state taxation.

DAVID P. JOHNSON received his Bachelor of Business Administration degree from the University of Michigan School of Business Administration and his law degree from Wayne State University. He has been Board Certified by the Florida Bar in Tax Law since 1995 and Board Certified by the Florida Bar in Wills, Trusts and Estates since 1996. He is one of thirty eight (38) of Florida's 100,000 attorneys to be Board Certified in both Tax Law and Wills, Trusts and Estates. Certification is the highest level of evaluation of an attorney's competency and experience in the areas approved by the Florida Supreme...

Mr. Doner was admitted to the Florida Bar in 1983 and has garnered a long list of professional accolades and accomplishments throughout his career, including having been admitted entry into the prestigious Million Dollar Advocates Forum. Adam is a Partner at the law offices of Gordon & Doner and provides a comprehensive range of both experience and knowledge to our firm.

Harrison DuBosar is an associate at The DuBosar Law Group, P.A. Mr. DuBosar’s practice focuses on commercial litigation and appeals. Mr. DuBosar graduated from the Florida State University College of Law where he was the Treasurer of the Moot Court Board and an Associate Justice of the student Supreme Court. During law school, Mr. DuBosar was also a member of the Journal of Transnational Law and Policy and the Journal of Land Use and Environmental Law, where he was awarded Best Sub Citer. Additionally, Mr. DuBosar won the Best Brief Award and was a semi-finalist at the 2017 Kaufman Moot...

Gary S. Menzer received his bachelor’s degree from the University of Central Florida and his Juris Doctor from St. Thomas University School of Law. Mr. Menzer began his career with Morgan Stanley as a financial advisor and later as a hedge fund trader. Mr. Menzer has held series 7, 31, 55 and 63 registrations. Prior to becoming a Founding Partner in Menzer & Hill, Mr. Menzer served as Vice President and Corporate Counsel for a publicly-traded broker-dealer. Having served as Corporate Counsel, Mr. Menzer brings a truly unique perspective and understanding of how broker-dealers defend against...

Mr. Murena has spent most of his career representing Federal and State Court-appointed Receivers, Monitors, Distribution Agents and other Fiduciaries, as well as defrauded investors, in government enforcement actions brought by the SEC, CFTC and FTC, clawback and class actions arising therefrom, and complex commercial and fraud litigation matters. Mr. Murena is an astute business litigator with extensive experience in both Federal and State Court, at the trial and appellate levels, representing individuals, small businesses, public companies, and Fiduciaries in commercial and real property disputes and in securities, commodities and consumer fraud litigation matters. Mr. Murena also routinely...

Jordan A. Shaw is a partner at Zebersky Payne Shaw Lewenz, LLP. He is Chair of the firm’s Consumer Litigation Practice Group and Co-Chair of the firm’s Commercial Litigation Practice Group. A Super Lawyers Rising Star from 2016 through 2020, Mr. Shaw represents individuals and businesses in matters involving complex commercial litigation, consumer litigation, financial services litigation, and class action litigation. Serving as outside general counsel for a number of businesses, Mr. Shaw also advises clients on corporate and transactional matters, such as stock and asset acquisitions, operating agreements, employment contracts, authorized retailer and wholesaler agreements, mall and retail lease...

Former SEC Enforcement Attorney (7-1/2 years) Represented investors in claims against financial services providers for over 16 years MBA Formerly taught Investments and Corporate Finance in college More biographical information at www.thomasfshinelaw.com

Mark R. Basile started his career at Shea & Gould in New York City and throughout the course of his career has, and continues to represent small publicly traded companies in securities and corporate finance litigation in both state and federal courts around the country. Mr. Basile won a landmark decision (2021) for small public companies in the New York Court of Appeals that agreed that certain corporate funding instruments are subject to NY's criminal usury laws. Mr. Basile is also a Professor of Law & Entrepreneurship at The Jacob D. Fuchsberg Law Center in New York teaching a course that he...

Attorney Matthew Wolper earned his undergraduate degree from Florida State University before going on to earn his law degree from Nova Southeastern University. There, he graduated summa cum laude (top 2 percent in his class) and was a member of the Nova Law Review. He has dedicated his law career to investment law, representing wronged investors and brokerage employees. Prior to forming Wolper Law Firm, he was a partner with a national law firm. He worked there for the first fourteen years of his legal career, representing brokerage firms and big Wall Street banks in massive securities matters. The complexity...

Ms. Anthony is an honors graduate from Florida State University College of Law and has been practicing law since 1993. Prior to founding Legal & Compliance, LLC, she served as Chief Legal Counsel for a national investment banking firm and NASDAQ broker dealer with over 200 employees. Ms. Anthony headed the firm's legal and compliance department and coordinated all legal work for the firm including all aspects of FINRA and SEC regulations, FINRA arbitrations, and public and private transactions.

Peter Mougey is a shareholder and the Chair of Levin Papantonio’s Securities and Business Litigation department. He concentrates his practice in the areas of complex litigation, financial services, and securities litigation, and whistleblower or qui tam litigation. Mr. Mougey has been recognized as one of Florida’s top 100 trial lawyers and a Florida Super Lawyer and has dedicated his career to championing individuals’ rights against the world’s largest companies. His peers have rated him AV Preeminent, the highest possible rating. Mr. Mougey has represented over 1,500 state, municipal, and institutional entities, as well as tribal sovereign nations, in litigation and arbitration...

David is a versatile Florida attorney with a diverse background in corporate, trust, and investment law. He graduated from the University of Miami School of Law, where he was a finalist in the Charles C. Papy Moot Court Competition, and received highest honors in pretrial, trial, and business litigation skills. He possesses a substantial amount of pretrial, trial, and appellate litigation experience, having first chaired and second chaired multiple jury trials to verdict on both the plaintiff and defense side, while authoring a multitude of appellate briefs in Florida’s district courts of appeal, some of which resulted in...

Mr. Weigel is the president of Russell C. Weigel, III, P.A and a securities lawyer with over 25 years of legal experience. Prior to establishing the firm in 2005, for five years Mr. Weigel worked as a securities transactional and securities litigation attorney in private practice successively for two law firms where he assisted and advised on public company mergers, general corporate and securities regulatory compliance matters, defense of NYSE and SEC investigations, and prosecuted and defended securities arbitration and civil litigation matters.Between 1990 and 2001, Mr. Weigel worked for the Securities and Exchange Commission (also known as the SEC)...

Mr. Solomon concentrates his practice in hedge fund litigation/counseling, securities arbitration; general civil litigation and financial markets' transactional matters. Prior to becoming a Partner of McLaughlin & Stern, LLP, Mr. Solomon was associated with Greenberg Traurig LLP, resident in that firm's West Palm Beach offices, where his focus was managing and trying as lead counsel, a multitude of securities arbitration matters before the NASD (now FINRA) and the NYSE. He also litigated other securities fraud matters.

Prior to that, Mr. Solomon was associated with two prominent Chicago based law firms working on both financial market litigation and transaction matters,...