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Hannah Black


Hannah Black concentrates her practice on government investigations and criminal defense, including defending clients at trial and in pre-indictment government investigations.  She also represents medical professionals and institutions in various health law matters. 

Prior to joining Todd & Weld, Ms. Black was an Assistant District Attorney in the Middlesex District Attorney's Office where she supervised staff attorneys and managed hundreds of criminal cases involving a variety of felony and misdemeanor charges, including domestic assault and battery, OUI, unlicensed possession of firearms, and distribution of Class A, B and D drugs, as well as sensitive investigations involving motor vehicle fatalities and sexual assaults.  While in the DA’s Office, she tried cases in court, argued various motions, and advocated for victims of violent and property crimes.

Ms. Black obtained a Master of Social Work and has her license in Clinical Social Work. 


  • Todd & Weld LLP, 2022-present
  • Middlesex District Attorney's Office, Assistant District Attorney, 2019-2022



  • Boston College Law School (J.D., 2019) Aviam Soifer Award for Public Service Achievement and Leadership
  • Boston College Graduate School of Social Work (Master of Social Work, 2018)
  • Wesleyan University (B.A., 2015) Dean's List; NESCAC All-Academic

Bar Admissions

  • Massachusetts
  • U.S. District Court, Massachusetts

Professional Activities

  • Co-Chair, Legal Education Well-Being Subcommittee, Massachusetts Supreme Judicial Court Standing Committee on Lawyer Well-Being 
  • Boston Bar Association
  • Massachusetts Bar Association
  • Women's Bar Association
  • Massachusetts Association of Criminal Defense Lawyers


Co-Author, Massachusetts Criminal Law Practice Guide (LexisNexis), 2024 ed.

In the Community

  • Member, Camp Harbor View Advisory Council
  • Mentor, Rappaport Center for Law & Public Policy