Chief Counsel Zachary Heiden

Zachary Heiden

Pronouns: he/him

Chief Counsel & Director of Programs and Strategy

Legal Department

Bio


Zach Heiden is chief counsel and director of program and strategy at the ACLU of Maine, where he coordinates the organization’s integrated advocacy. Zach was hired in 2004 as the organization’s first staff attorney. Over more than two decades with the organization, he has defended the rights of artists, immigrants, incarcerated people, journalists, pregnant people, protesters, religious minorities, students, and whistleblowers. In 2012, Zach served on the Executive Committee of Mainers United for Marriage, the statewide campaign to win marriage equality.

Zach earned his Bachelor of Arts from Bowdoin College in 1995, his Master of Arts in Modern Irish and British Literature from the University of Florida in 1998, and his Juris Doctor from Boston College Law School in 2002. During law school, he served as managing editor of the BCLS International and Comparative Law Review and founded BCLS’s first chapter of the American Constitution Society. He was awarded the Law School Alumni Association Award at graduation. He was a law clerk to Hon. Susan Calkins on the Maine Supreme Judicial Court. He is the author of Fences and Neighbors, 17 Law and Literature 225 (2005) and Too Low a Price: Waiver and the Right to Counsel, 62 Maine L. Rev. 488 (2010).

In his free time, Zach enjoys spending time with his family at the ocean and eating meals in their backyard with neighbors. His wife, Alisha, is a writer and teacher.

Featured Work


News & Commentary
Law enforcement officers at the door of a brick home.
  • Immigrants' Rights

No Warrant, Big Problem: ‘ICE Out of Our Homes’ Law Protects Maine Renters

We all have a right to be safe at home. Maine’s new ICE Out of Our Homes law will help protect renters and landlords from rogue federal agents.
News & Commentary
Birthright Citizenship Rally at SCOTUS
  • Privacy|
  • +3 Issues

The Supreme Court Term in Review

Catch a recording of our discussion covering the court's role and what these decisions mean for Maine.

Related Content


Press Release
Person holding homemade protest sign reading "American Democracy No Kings"
  • Voting Rights|
  • +1 Issue

ACLU of Maine Files Brief to Protect Maine Voters’ Private Information

The brief argues that federal and state law protect sensitive voter information that should not be shared with the federal government.
Issue Areas: Voting Rights, Privacy
Press Release
Mother holding child
  • Immigrants' Rights

ACLU Files New Brief in Birthright Citizenship Case Ahead of SCOTUS Arguments

Courts have uniformly blocked President Trump’s executive order restricting birthright citizenship. The U.S. Supreme Court will hear arguments in this class action challenge on April 1, 2026.
Issue Areas: Immigrants' Rights