Meet Our Team



Richard A. D'Amura

Richard A. D’Amura concentrates his practice on complex business, corporate and commercial matters, with his primary focus on securities litigation and arbitration, and professional liability defense.  His securities practice focuses on the defense of broker/dealers, registered investment advisors and financial advisors, litigation in state and federal court, and before FINRA Dispute Resolution.  The matters include customer, industry, director and officer liability, and employment disputes, as well as the defense of companies and individuals in enforcement matters prosecuted by SROs, and state and federal regulators, including FINRA and the Securities and Exchange Commission. 

In addition, Mr. D’Amura has extensive experience defending insurance agents and insurance agencies in litigation, as well as defending directors and officers in shareholder disputes. He has also represented some of the country’s largest insurance companies in litigation and investigations, including defense of fraudulent claims, insurance fraud investigations and the prosecution of civil claims against insurance fraud rings. 

During completion of his LL.M degree, Mr. D’Amura interned in the U.S. Securities and Exchange Commission’s Division of Enforcement, Washington, D.C., participating in the investigation and prosecution of many of the high-profile SEC investigations of 2002. He has also spent time on Capitol Hill working at a prominent Washington, D.C. think tank, with direct contact and dealings with senate, congressional and corporate leaders, has tried several cases with the Dade County State Attorneys’ Office and has worked for several major brokerage and investment banking firms.

Professional & Community Involvement

  • Bar admissions: California, New York, Florida & Texas

  • SIFMA Compliance & Legal

Presentations & Publications

  • Emerging Issues in FINRA (CLE, The Knowledge Group)

  • Independent Broker Dealer Consortium, 2017 (FINRA Regulation of Digital Communications)


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Lydia R. Zaidman

Lydia R. Zaidman concentrates her practice on complex business, corporate and commercial matters, with her primary focus on securities litigation and arbitration.  Her securities practice focuses on the defense of broker/dealers and registered investment advisors in litigation before FINRA Dispute Resolution, as well as in court, including representation of broker/dealers in industry disputes.  She also advises licensed financial advisors and insurance agents in investigations by securities regulatory agencies.

Ms. Zaidman has served as Senior Vice President, Associate General Counsel of Morgan Stanley Smith Barney’s Retail Litigation Trial Group where she defended numerous complex claims.  She has served as General Counsel for a broker/dealer and investment advisory firm, as well as Vice President, Associate General Counsel for an independent broker/dealer where she has advised the firm, as well as hundreds of financial advisors, compliance personnel and executives on risk avoidance and mitigation, litigation and regulatory matters.  She has significant transactional experience including drafting and negotiating selling agreements, employment agreements, promissory notes, leases, vendor agreements, and mergers and acquisitions documents.    

She started her career at a top 20 AmLaw firm in their New York City offices where she handled complex commercial litigation.  She represented a major U.S. car company defending several class action claims, as well as handling various real estate and intellectual property disputes.  

Ms. Zaidman also co-founded the nationally recognized charity, Love-A-Bull where she volunteered for eight years.

Bar admissions:

New York & Texas




David J. Lehr

David Lehr concentrates his practice on securities litigation, labor and employment, insurance defense/coverage, and complex commercial and business litigation. Mr. Lehr has handled matters involving securities, insurance coverage, subrogation, construction defect litigation, and condominium/HOA disputes. He has extensive experience defending brokers, registered investment advisors and broker-dealers in FINRA Dispute Resolution arbitrations, court proceedings, and investigations by securities regulatory agencies. He has represented individuals and corporate entities against allegations of unsuitable and unauthorized trading, misrepresentation and fraud, misappropriation, churning, “selling away,” negligent supervision, and inadequate due diligence.

Mr. Lehr earned his Juris Doctor degree and Masters in Taxation Law from the University of Miami School of Law where he graduated Cum Laude and was recognized as a member of the Dean’s List. He is admitted to practice by the Florida Bar and the United States District Court for the Southern District of Florida.

Prior to joining the firm, Mr. Lehr worked at a prominent Miami law firm. He also spent time working at the Internal Revenue Service, Office of the Chief Counsel, Large Business & International. Mr. Lehr has also been recognized as an Up & Comer by the Florida Legal Elite.

Bar Admission: Florida


Co-author, Acquisition Purpose and the OREO Expense/Capitalization Question, TAX NOTES (Tax Analyst: February 18, 2013)