Bio
Jonathan Blazer is a Senior Advisor in ACLU’s National Political Advocacy Department, where he focuses on state-level immigration policy and on building out the ACLU’s Know Your Rights program across issues areas. Jon returned to ACLU in 2020, as the organization’s first Director of Border Strategies, after working as a Senior Program Officer at the Four Freedoms Fund and serving as California Attorney General Xavier Becerra’s immigration advisor. Previously, he worked for twelve years in related positions at the ACLU and the National Immigration Law Center (NILC), engaging in or supporting hundreds of battles for immigrants’ rights at the state and local levels, while also working to connect these fights to federal advocacy efforts and longer-term strategies for social change. He started his legal career working as a legal aid attorney for six years in Philadelphia, where he founded the Language Access Project of Community Legal Services. Jon is based in ACLU’s San Francisco office.
Featured work
Sep 23, 2025
Comunidades fronterizas enfrentan nuevos riesgos bajo áreas de defensa nacional de Trump
Sep 23, 2025
Border Communities Face New Risks Under Trump’s National Defense Areas
Nov 2, 2023
White Supremacy is Fueling Extreme Anti-Immigrant Policy in Texas
Jan 26, 2023
Biden Must Reverse Plans to Revive Deadly Trump-era Asylum Bans
Sep 29, 2022
Five Things to Know About the Right to Seek Asylum
Mar 29, 2022
Title 42 Isn’t Supported By Science — The CDC Must End it Now
Jul 21, 2021
Secretary Mayorkas Pledged to End His Agency’s Anti-Immigrant Abuses. Here’s What He’s Delivered.
May 29, 2015
Nebraska Legislature Overrides Governor's Veto and Gives Dreamers Their License to Drive
Dec 30, 2013
States Surge Forward on Immigrants' Rights in 2013
May 31, 2013
With all Eyes on Congress, States Lead the Way on Better Laws Towards Immigrants