John P. Mastando III.
Weil, Gotshal & Manges LLP

John P. Mastando III is a partner in Weil’s Litigation department and is a member of the Complex Commercial Litigation group. Mr. Mastando has successfully represented corporate clients in a wide range of disputes in the areas of insurance, reinsurance, private equity, antitrust, nationwide class actions, intellectual property, contract, partnership, fraud, and unfair and deceptive acts and practices litigations. Mr. Mastando also has extensive experience in bankruptcy litigation and in ICC arbitrations. Mr. Mastando has been counsel to clients in numerous industries, including insurance, electronics, financial services, banking, telecommunications, television, and the internet.

Mr. Mastando’s representative clients include Genworth Financial, Farmers Insurance Group, General Electric Financial Assurance, General Growth Properties, Inc., General Electric Capital Corporation, Matsushita Electric Industrial Co., Ltd., Washington Mutual, Inc., Citigroup, GE Lighting, First Colony Life Insurance Company, Credit Suisse First Boston, Lehman Brothers, Conseco Senior Health Insurance Company, Conseco Life Insurance Company, baazee.com (StarTV), GE Aviation, Penn Treaty Network America Insurance Company, The Travelers Insurance Company, InfoNXX, Ronald S. Lauder Communications, Inc., and Gen3 Partners.

Mr. Mastando is currently a member of the Committee on Insurance Law of the Association of the Bar of the City of New York, and was formerly secretary of the Committee on Professional and Judicial Ethics of the Association of the Bar of the City of New York from 2006-2008, and a member from 2002-2005. He recently was selected to be a member of the Law360 Insurance Editorial Advisory Board.

While at Weil, Mr. Mastando has lectured on numerous topics, including ethics, discovery and the enforceability of liquidated damages provisions, and he has been a frequent instructor in deposition and evidence workshops. Mr. Mastando is also a member of Weil’s Hiring and Ethics Committees, and was a Summer Associate Program coordinator for many years.

From December 1999-May 2000, Mr. Mastando was seconded to Citigroup, where he reported to the General Counsel – Litigation on all aspects of numerous matters.

In 1998, Mr. Mastando clerked for the Honorable Federico A. Moreno, currently Chief Judge of the United States District Court for the Southern District of Florida, where he worked on all aspects of over 200 civil and criminal matters, including numerous jury trials.

Mr. Mastando received his J.D. from Columbia University School of Law, where he was a Harlan Fiske Stone Scholar and an associate editor of the Columbia Human Rights Law Review and A Jailhouse Lawyer’s Manual. Mr. Mastando graduated cum laude from Columbia College, Columbia University with a B.A. in Political Science.

Mr. Mastando is admitted to the bars of both New York and New Jersey, the United Court of Appeals for the Second Circuit, the United Court of Appeals for the Third Circuit, and the United States District Courts for the Southern District of New York, the Eastern District of New York, and the District of Colorado. He is also a member of the litigation sections of the American and New York State Bar Associations.

  • Bar Admissions
    US Court of Appeals 2nd Cir.; US Court of Appeals 3rd Cir.; District of Colorado; New Jersey State; New York State; Southern District New York
  • Education
    Columbia College (B.A., cum laude, 1993); Columbia University Law (J.D., 1996)
  • New York
  • +1 212 310 8064 tel
  • +1 212 310 8007 fax

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