Bier’s work has appeared in the New York Times, the Washington Post, USA Today, and many other print and online publications. The U.S. Supreme Court and multiple federal appeals courts have cited his research and writing. Bier has testified before committees in the United States House and the United States Senate on several occasions.
From 2013 to 2015, Bier drafted immigration legislation as a senior policy adviser for Congressman Raúl Labrador, then a member and later the chairman of the House Judiciary Committee’s Subcommittee on Immigration and Border Security.