Jessica E. Mar

Deputy County Counsel

Jessica Mar joined the Office of the County Counsel in 2022.  She is a member of the Social Justice and Impact Litigation Team and the Health and Hospital Team. Before joining the Office, Jessica led government investigations and prosecuted high-impact affirmative cases to protect and promote the health of Californians at the California Department of Justice. Jessica served as a lead attorney in People of California v. JUUL Labs, Inc. As a Deputy City Attorney for the City of Berkeley, Jessica advised the Health, Housing and Community Services Department and worked on election law and open government.     

Jessica’s professional expertise includes:

  • Affirmative litigation
  • Local government law
  • Public health law
  • Government investigations


  • University of California, Berkeley, School of Law, J.D., 2013
    • American Jurisprudence Award
    • Berkeley Journal of Employment and Labor Law, Associate Editor
    • Asian American Law Journal, Member
  • Brown University, B.A., 2008

Professional Associations

  • LEAD Fellow at the California Asian Pacific American Bar Association (2021-2022)
  • Affirmative Leaders Fellow at Public Rights Project (2019-2020)
  • Law Fellow at Fellowships at Auschwitz for the Study of Professional Ethics (2012)

Prior Experience

  • Deputy Attorney General at the California Attorney General’s Office (2018-2022)
  • Deputy City Attorney at the Berkley City Attorney’s Office (2016-2018)
  • Law Clerk to the Honorable Donna M. Ryu, Magistrate Judge for the Northern District of California (2015-2016)
  • Litigation Associate at Bryan Cave LLP (2013-2015)

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