Bio
Mohammad Tajsar is the Director of Immigrants’ Rights at the ACLU of Southern California, and co-leads the ACLU of California’s democracy, speech, and technology project. He joined the organization in 2017. Primarily a litigator, Mohammad’s work focuses on national security and immigration enforcement policy, as well as government surveillance and consumer privacy. Mohammad’s current docket includes Vasquez Perdomo v. Noem, a challenge to the federal government’s immigration enforcement operations in Southern California beginning in June 2025, and Fazaga v. FBI, an action against the FBI’s surveillance of mosques in Orange County. He also has significant experience protecting individuals’ civil rights and privacy against public and private sector use of surveillance technology. Mohammad speaks widely on the intersections between counterterrorism policy, immigration enforcement, and the rise of technologically-assisted policing.
Prior to joining the ACLU, Mohammad served as an associate at Hadsell Stormer & Renick LLP, a Pasadena-based law firm specializing in civil rights and workers’ rights.
Mohammad began his legal career as a law clerk in United States District Court for the District of Nevada and a legal fellow at the ACLU of Southern California. He graduated from the University of California, Berkeley, School of Law, and from UCLA.
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