David J. Bier

David Bier is the Director of Immigration Studies at the Cato Institute in Washington, D.C., specializing in legal immigration, border security, visa reform, and interior enforcement policy. From 2013 to 2015, he served as a senior policy adviser to Congressman Raúl Labrador, drafting immigration legislation, and his research has been cited by multiple federal appeals courts and the U.S. Supreme Court, with frequent testimony before Congress.