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Margaret M. Garnett

Active judge · U.S. District Court for the Southern District of New York

Margaret M. Garnett serves on the U.S. District Court for the Southern District of New York. Appointed by Joseph R. Biden and confirmed Nov 28, 2023 by a 49–46 Senate vote. ABA rating: Well Qualified.

Appointed by
Joseph R. Biden
Confirmed
Nov 28, 2023
Senate vote
49–46
ABA rating
Well Qualified
Born
1971

Appointments

  • Judge, U.S. District Court for the Southern District of New YorkJoseph R. Biden · Nov 28, 2023

Education

  • University of Notre DameB.A., 1992
  • Yale UniversityM.A., 1995
  • Yale UniversityM.Phil., 1997
  • Columbia Law SchoolJ.D., 2000

Career

Private practice, New York City, 2000-2004; Law clerk, Hon. Gerard E. Lynch, U.S. District Court for the Southern District of New York, 2004-2005; Assistant U.S. attorney, Criminal Division, Southern District of New York, 2005-2017; Deputy chief, Violent Crimes Unit, 2010-2011; Chief, Violent Crimes Unit, 2011-2014; Chief, Violent and Organized Crime Unit, 2014; Deputy chief, Criminal Appeals Unit, 2015-2016; Chief, Criminal Appeals Unit, 2017; Adjunct professor, trial advocacy seminar, Brooklyn Law School, 2015, 2017; Adjunct professor, federal prosecution seminar and externship, Columbia Law School, 2015, 2016, 2017; Executive deputy attorney general for criminal justice, State of New York, 2017-2018; Commissioner, New York City Department of Investigation, 2018-2021; Assistant U.S. attorney, Southern District of New York, 2021-2023; deputy U.S. attorney, 2021-2023; special counsel, 2023

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From the Federal Judicial Center’s biographical directory of federal judges.

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Capitol Receipts, “Judge Margaret M. Garnett, District Court for the Southern District…,” https://www.capitolreceipts.com/judge/j13761361/margaret-m-garnett (accessed 2026-10-15).

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