Matthew M. Guiney

Partner, New York


Matthew M. Guiney is a partner of the firm. Mr. Guiney has served as court-appointed lead counsel in numerous complex securities, employment and derivative litigations in federal and state courts concerning: Securities Act of 1933 and Exchange Act of 1934, ERISA breach of fiduciary duty, breach of state fiduciary duties (Delaware Chancery Court and New York Commercial Division), FLSA and FMLA claims. Mr. Guiney has helped recover hundreds of millions of dollars for victims of corporate fraud and abuse in federal and state litigation across the country and has significant experience with class certification and arbitration issues, especially with respect to publicly traded securities and employment matters.

Mr. Guiney has successfully litigated and subsequently settled numerous federal securities fraud actions, from initial complaint drafting through presentation of final approval (for example, Brecher v. Citigroup, et al., 09-7359 (SHS) (S.D.N.Y.) ($8.5 million settlement); Mallozzi v. Industrial Enterprises of America, Inc., et al., No. 07-10321 (GBD) (S.D.N.Y.) ($3.8 million settlement); In re Luxottica Group S.p.A. Securities Litig., No. 01-3285 (JBW) (E.D.N.Y.) ($18.25 million settlement)). Mr. Guiney recently argued and successfully achieved an injunction in In re Integrated Silicon Solution, Inc. Stockholder Litig., 1-15-CV-278812 (Cal. Sup. Ct. – Santa Clara) (2015)‏, and currently serves as court appointed lead counsel in several securities litigations in federal court. Mr. Guiney is also currently litigating several matters in federal appellate courts in both the Second and Ninth Circuit Courts of Appeal, as well as participating in the Eastern District of New York’s (Brooklyn) pro bono program.

Mr. Guiney graduated from The College of William & Mary (B.A., Government and Economics, 1998), and from Georgetown University Law Center (J.D. 2002), where he participated in the Law Students in Court clinic and represented clients in the District of Columbia’s Landlord and and Tenant Court.


JD, Georgetown University Law Center, '02

BA, Government and Economics, The College of William & Mary, '98