Jon J. Lambiras


Jon J. Lambiras, Esq., CPA, CFE is a shareholder in the Securities and Consumer Protection practice groups at Berger Montague. Since joining the firm in 2003, he has practiced primarily in the areas of securities fraud, consumer fraud, and data breach class actions.

David A. Langer

Senior Counsel

David A. Langer is senior counsel in the Antitrust practice group at Berger Montague. He concentrates his practice in complex antitrust litigation. Mr. Langer was one of the trial team chairs in the 5-week consolidated bench trial of arbitration antitrust claims in Ross v. American Express and Ross v. Bank of America, where the Honorable William H. Pauley, III of the United States District Court for the Southern District of New York, commended the “extraordinary talents of Plaintiffs’ counsel.”

Eric Lechtzin


Eric Lechtzin is a shareholder in the firm’s Securities, Consumer Protection, ERISA and Employment & Unpaid Wages Litigation practice groups.

Lawrence J. Lederer


Lawrence J. Lederer is a shareholder in the firm’s Securities and Commercial Litigation practice groups. He has extensive experience representing and advising institutional investors in securities litigation. He has led the prosecution of many securities class action cases that have resulted in substantial recoveries for investors.

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