Staff Attorney





Brian Klosterboer is a staff attorney who joined the ACLU of Texas as a Skadden fellow in 2018. Brian focuses on defending and expanding the rights of LGBTQIA+ Texans and represents students and families who face discrimination based on gender, race, and religion across the state.

As a member of the ACLU of Texas’s Free Speech and Pluralism and Smart Justice teams, Brian engages in impact litigation and advocacy to transform Texas’s criminal justice system, end police violence against Black and Latinx communities, and defend the rights of protesters across the state. Brian is the lead counsel in The Woodlands Pride, Inc., et al. v. Ken Paxton, et al., which secured a permanent injunction blocking Texas's drag ban after a two-day trial, and he was previously the lead counsel in A.C., et al. v. Magnolia ISD, which resulted in Magnolia ISD and other school districts updating their dress codes to no longer discriminate against students based on gender or race. Brian represents ACLU of Texas clients at every stage of litigation in both federal and state court and works to advance Texans' civil rights through policy analysis, testimony, and integrated advocacy before local, state, and federal governments.

Prior to joining the ACLU of Texas, Brian served as a law clerk for the Honorable Vanessa D. Gilmore of the U.S. District Court for the Southern District of Texas. Brian graduated from Harvard Law School and Centre College in Danville, Kentucky. In 2012, Brian spent a year living in Kampala, Uganda, where he conducted research as a Fulbright Fellow, worked as a journalist, and co-founded a bar and restaurant. A Texas native, Brian is a recent past chair of the LGBTQ+ Law Section of the State Bar of Texas and he teaches Civil Rights Litigation as an adjunct law professor at South Texas College of Law Houston.