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Expungement Organizations

From national nonprofits processing millions of records to grassroots groups running free clinics in parking lots, these organizations are doing the work of cannabis expungement. Here is who they are, what they do, and how to reach them.

Warmly lit law library with leather-bound volumes and a brass banker

Last verified: April 2026

Last Prisoner Project

The most prominent organization focused specifically on cannabis incarceration and expungement. Founded in 2019 by cannabis pioneers Steve DeAngelo, Andrew DeAngelo, and Dean Raise. Led by Acting Executive Director Stephanie Shepard, who served a 10-year federal cannabis sentence herself.

Impact: 400+ years of incarceration saved, 250,000+ offenses cleared, $3.8 million directed to legal services and reentry. High-profile cases include Richard DeLisi (32 years, Florida) and Michael Thompson (25 years, Michigan).

Website: lastprisonerproject.org

Code for America / Clear My Record

Technology-driven approach to mass expungement. Founded by Jennifer Pahlka, Code for America built the Clear My Record platform that processes 10,000 records per minute. The system has cleared 144,000 records in California and expanded to Cook County, Illinois.

Clear My Record's success led to the creation of the Clean Slate Initiative, a national steering committee that drafts and promotes automatic expungement legislation. Their model laws have been adopted in Michigan, Pennsylvania, Utah, and other states.

Website: codeforamerica.org

NORML

The National Organization for the Reform of Marijuana Laws has been the backbone of cannabis reform since 1970. Their legal committee maintains a network of 500+ attorneys searchable by state at lawyers.norml.org. NORML also publishes the most comprehensive state-by-state expungement guides at norml.org/laws/expungement.

For individuals seeking expungement, the NORML attorney directory is often the best starting point for finding experienced legal help.

Drug Policy Alliance

A policy-focused organization that has shaped the legislative framework for cannabis expungement. The Drug Policy Alliance co-drafted the MORE Act, which would create a federal expungement pathway if passed. Their research and policy papers provide much of the evidentiary foundation used by state legislators crafting expungement laws.

National Expungement Works

Founded by LaTorie Marshall in 2018, National Expungement Works takes a grassroots, event-driven approach. They organize free expungement clinics across the country, bringing together volunteer attorneys, court clerks, and community organizations to process petitions on the spot.

Impact: 70+ events, 4,300+ people directly served, an estimated $10 million in saved legal costs.

Minorities for Medical Marijuana (M4MM)

Led by Roz McCarthy, M4MM runs Project Clean Slate — organizing free expungement clinics across 27 states in partnership with cannabis companies and legal aid organizations. Their model pairs industry funding with legal services, creating sustainable clinics that do not depend entirely on government funding.

Website: projectcleanslate.org

Clean Slate Initiative

The national steering committee for automatic record-clearing legislation. Grew out of Code for America's work and now operates independently, supporting state campaigns, drafting model legislation, and coordinating advocacy across state lines. Their approach focuses on making expungement automatic by default rather than petition-based, removing the burden from individuals.

Collateral Consequences Resource Center

The go-to research organization for understanding how criminal records affect every aspect of life. Maintains a 50-state comparison of collateral consequences laws, restoration of rights provisions, and expungement eligibility. Essential for attorneys and individuals navigating cross-state record issues.

Website: ccresourcecenter.org

Brennan Center for Justice

Produces the economic research that drives the policy argument for expungement. Their studies on the economic cost of mass incarceration, the employment impact of criminal records, and the fiscal return on investment of record-clearing are cited in nearly every major expungement bill.

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