Cornyn, John

John Cornyn is the senior United States senator from Texas and a member of the Republican Party, serving since 2002. As chair of the Senate Judiciary Subcommittee on Border Security and Immigration, he oversees federal immigration enforcement, border security policy, and related legislation. This subcommittee role gives him significant influence over immigration hearings, investigations, and bills that advance through the broader Judiciary Committee. Cornyn brings substantial legal and judicial experience to this position, having served as a district judge in San Antonio, an associate justice of the Texas Supreme Court, and Texas Attorney General before entering the Senate. His background in law enforcement and state-level governance has shaped his focus on border security and immigration matters throughout his Senate career. As a senior Republican senator, Cornyn has held leadership positions within his party, including chair of the National Republican Senatorial Committee and Senate Republican whip, and he maintains influence across multiple committees including Finance, Foreign Relations, and Intelligence. His legislative record reflects priorities in immigration enforcement, national security, and fiscal matters, positioning him as a key voice in Republican immigration policy debates.