Isabelle A. Kirshner is one of New York's premier criminal defense attorneys. She has won acquittals for her clients in both state and federal court. She has more than thirty years of experience defending individuals and entities in a wide range of criminal matters including investigations and prosecutions relating to securities fraud, money laundering, bank fraud, tax fraud, as well as distribution of opioids, drug trafficking and violent crimes. She has represented her clients at every stage of criminal proceedings, from the inception of a criminal investigation through indictment and trial. She’s represented a number of high profile individuals, including the former Attorney General of the State of New York.

In 2018, Isabelle was the recipient of Gideon’s Promise Equalizer Award and in 2019, received the NYSACDL’s Thurgood Marshall Practitioner of the Year Award.

Isabelle served as an Assistant District Attorney in the Manhattan District Attorney’s Office from 1982 to 1986. She then entered the private sector as a criminal defense attorney, and joined Clayman & Rosenberg, LLP in 2005.

She has lectured on federal and state criminal practice and is also a long time faculty member of the Intensive Trial Advocacy Program at the Benjamin N. Cardozo School of Law.

Isabelle serves on the Peer Review Committee for the Criminal Justice Act and the Criminal Justice Advocacy Board for the United States District Court for the Southern District of New York and serves on the Central Screening Committee for the 18B Panel for New York County. She served as a member of District Attorney Cyrus Vance’s transition committee.  She is a Fellow in the American College of Trial Lawyers.

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