Image of Brian in a grey and blue suit

Brian Klosterboer

Pronouns: he/him/his

Senior Staff Attorney

Legal

Bio

Brian Klosterboer is a Senior Staff Attorney who engages in impact litigation and advocacy to advance and defend the civil rights and liberties of all Texans. Since joining the ACLU of Texas as a Skadden Fellow in 2018, Brian has primarily focused on protecting the rights of LGBTQIA+ Texans, especially transgender, non-binary, and gender diverse youth. He also specializes in the First Amendment, students’ rights, and policy change before school districts, local governments, and the Texas Legislature.

Brian serves as an adjunct law professor at South Texas College of Law Houston, where he teaches Civil Rights Litigation, and he is a recent past chair of the LGBTQ+ Law Section of the State Bar of Texas. A native of Round Rock, Texas, Brian brings a global perspective to civil rights work. He previously lived in Kampala, Uganda, where he conducted research on a Fulbright Fellowship, worked as a journalist, co-founded a bar and restaurant, and interned for a human rights organization providing legal assistance to Uganda’s LGBTQIA+ community. Brian graduated from Centre College in Danville, Kentucky and earned his J.D. from Harvard Law School. He started his legal career clerking for the Honorable Vanessa Gilmore of the U.S. District Court for the Southern District of Texas and is licensed to practice law in Texas and New York.

Featured Work

News & Commentary
Trans rights are human rights
  • LGBTQIA+ Equality|
  • +1 Issue

5 Things To Know About Our Lawsuit Defending Medical Care for Trans Youth

Trans Texans, like all Texans, have the right to get the medical care they need.
News & Commentary
A protest sign reading "Protect Trans Kids."
  • LGBTQIA+ Equality|
  • +1 Issue

Texas’ Attempt to Tear Parents and Trans Youth Apart, One Year Later

As our fight to keep families together continues in court, the persecution of transgender youth in Texas continues.

Related Content

Press Release
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  • Free Speech and Pluralism

ACLU of Texas Comments on State Investigations of School Districts Over Student Walkouts

Texas Attorney General Ken Paxton Monday announced investigations into North East Independent School District in San Antonio, Dallas Independent School District, and Manor Independent School District outside Austin in response to student protests.
Press Release
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  • Free Speech and Pluralism|
  • +1 Issue

Federal Court Halts Enforcement of Key Provisions of Law Censoring Identity and Inclusion in K-12 Schools in Three Texas School Districts

A U.S. District Judge granted today a preliminary injunction blocking the enforcement of key aspects of Senate Bill 12 in Houston ISD, Katy ISD, and Plano ISD until the case is fully resolved.