Manhattan’s Trusted Estate Planning And Litigation Attorney For More Than 40 Years


William A. Simon

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Practice Areas:

  • Wills
  • Trusts
  • Estate Law


William A. (Bill) Simon is a native of New York City and grew up in Pelham, a nearby Westchester suburb, where he attended public schools. In 1969 he graduated from Duke University with a B.A. in History. He obtained a J.D. (Doctor of Laws) degree from Washington University in 1974 and an LL.M. (Master of Laws) degree from New York University in 1983. He was admitted to the New York State Bar in 1976. Since then he has practiced law continuously with law firms in Manhattan. Since 1991 he has been a member of the law firm of McGarry & Simon, which has offices conveniently located near Grand Centeral Terminal.
Throughout his career, Bill has represented individuals and small businesses in a wide range of legal fields, always maintaining a special concentration in the field of trusts and estates. He regularly handles estate planning, estate administration and litigation in the Surrogate's Court, such as will contests.
He frequently represents clients in real estate matters, including purchases, sales and leasing of houses, condominiums, cooperative apartments and commercial properties.
Bill has organized and advised many small business entities, including corporations, Limited Liability Companies (LLC's), partnerships, and charitable organizations.
An experienced courtroom attorney, Bill Simon has represented clients in property ownership disputes and other civil litigation in both the New York State and Federal courts.
Outside of his professional life, Bill enjoys jazz and classical music, reading (particularly in his college major of history), cycling, sailing and other active sports. He has served on the boards of directors of several musical organizations and was a board member and President of his cooperative apartment building for many years.


  • Duke University
    • B.A. - 1969
  • Washington University School of Law, St. Louis, Missouri
    • J.D. - 1974
  • New York University School of Law
    • LL.M. - 1983

Bar Admission

  • New York, 1976
  • U.S. District Court Eastern District of New York, 1977
  • U.S. District Court Southern District of New York, 1977
  • U.S. Court of Appeals 2nd Circuit, 1981

Past Positions

  • McGarry & Simon, Member

Pro-Bono Activities

  • Board member and former president of the Helicon Foundation, which presents Professional Chamber music performances

Professional Associations

  • New York State Bar Association, Trusts and Estates Section, Member
  • New York City Bar Association, Member
  • New York City Bar Association, Trusts and Estates Panel, Legal Referral Service, Member, 1989 to Present