Our Town Justices

About Our Justices


Hon. Thomas Mansfield brings over 30 years of legal experience to the bench, having graduated from New York Law School in 1985 and being a member of the New York bar since 1986.  He started his career as a litigator with the New York City Law Department and is a founding member of the local law firm, Mansfield, Gautier & Rosenthal LLP. He has also previously served as a Dutchess County Legislator and on the staff of the New York State Senate. He is currently a member of:

  • Dutchess County Bar Association
  • New York State Bar Association
  • New York State Magistrates Association

He has served as Town Justice in Red Hook since January 2019.

Hon. Jonah Triebwasser brings nearly 50 years of experience to the bench as a police officer, investigator, attorney, prosecutor and judge. He is a graduate of the John Jay College of Criminal Justice and New York Law School, and is a member of:

  • Dutchess County Bar Association (Past-President)
  • Dutchess County Magistrates Association (Past-President)
  • New York State Bar Association (Member, House of Delegates)
  • New York State Magistrates Association (President-Elect)

He has lectured extensively on legal topics throughout the state and is the author of West Publishing's Criminal Law Handbook (5th, 6th and 7th editions) as well as Magill's Handbooks for Justice Courts.

He has served as Town and Village Justice in Red Hook since 2007.

Related Documents

Judge Jonah Triebwasser has been busy swearing in judges for the new year.

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Here he swears in former Town Justice Hon. Jeffrey C. Martin as Dutchess County Family Court Judge. In the center is Jeff's wife, Michelle.

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Here he swears in newly appointed Town Justice Thomas Mansfield, In the center is Tom's wife Miriam.

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Judge Jonah administers the oath of office to the new Town of Pine Plains Justice, the Hon. Ibis Guzman. In the center is his wife Sarah.

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Judge Jonah is seen with Judge Jeffrey Martin (Dutchess County Family Court), Judge Tom Dias (Town of Ancram) Judge Michael Hayes (Town of LaGrange) Judge Susan Sullivan Bisceglia (Town of LaGrange and Village of Wappingers Falls) and Judge Barbara Seelbach (Town of Clinton) as Judge Hayes is sworn in as Dutchess County Surrogate.

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Many of the same judges celebrated as Judge Sullivan Bisceglia was sworn in as Town of LaGrange justice.