In my years of public service at both the federal and state levels, I have had the privilege of representing most of the communities that make up Congressional District 21, including Hialeah, Westchester, Doral, Kendall, Miami Lakes, Hialeah Gardens, Medley and Palmetto Bay.

He is a founding member of the Congressional Hispanic Conference a caucus of Hispanic Republican congressmen. He attended the University of South Florida to study political science before beginning his public service career as an aide to then-Miami Mayor Xavier Suarez in 1985. Although it is widely believed that Mario Diaz-Balart drew the 25th for himself it is actually a slightly marginal district on paper.

Mario Rafael Diaz-Balart Caballero (born September 25 1961) is the current U. He previously served Florida's 21st congressional district from 2011 to 2013 and Florida's 25th congressional district from 2003 to 2011.