News & Commentary written by Daniel Mach

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Daniel Mach

Director

ÌÒ×ÓÊÓÆµProgram on Freedom of Religion and Belief

Bio

Daniel Mach is the director of the ÌÒ×ÓÊÓÆµProgram on Freedom of Religion and Belief. He leads a wide range of religious-liberty litigation, advocacy, and public education efforts nationwide, and often writes, teaches, and speaks publicly on religious freedom issues. Mach currently serves as an adjunct professor of law at the George Washington University Law School, focusing on constitutional law and religious liberty. Prior to his work at the ACLU, Mach was a partner in the Washington office of Jenner & Block, where he specialized in First Amendment law.


Featured work

Aug 11, 2025

America’s Most Famous Court Trial

America’s Most Famous Court Trial

Jun 25, 2024

The Oklahoma Supreme Court Rejected the Nation's First Religious Public Charter School

The Oklahoma Supreme Court Rejected the Nation's First Religious Public Charter School

Jul 31, 2023

A Religious Public Charter School in Oklahoma? Not on Our Watch.

A Religious Public Charter School in Oklahoma? Not on Our Watch.

Jul 6, 2022

The Supreme Court Benches the Separation of Church and State

The Supreme Court Benches the Separation of Church and State

Apr 25, 2022

The Supreme Court Must Protect Students From School-Sponsored Prayer

The Supreme Court Must Protect Students From School-Sponsored Prayer

Sep 2, 2021

Civil Liberties and Vaccine Mandates: Here’s Our Take

Civil Liberties and Vaccine Mandates: Here’s Our Take

Mar 10, 2021

A New String of State Bills Could Give Religious Organizations Blanket Immunity from Any Wrongdoing

A New String of State Bills Could Give Religious Organizations Blanket Immunity from Any Wrongdoing

Dec 8, 2020

The Biden Administration’s Religious Freedom To-Do List: Recommitting to Religious Liberty for All.

The Biden Administration’s Religious Freedom To-Do List: Recommitting to Religious Liberty for All.

Sep 20, 2019

The Supreme Court Considers Mandatory Government Funding of Religious Education

The Supreme Court Considers Mandatory Government Funding of Religious Education

Jun 20, 2019

Supreme Court Undermines Religious Neutrality In Permitting Giant Governmental Cross

Supreme Court Undermines Religious Neutrality In Permitting Giant Governmental Cross