Alex Castellanos is one of the Republican Party's best known and most successful media consultants and strategists. Castellanos has served as media consultant to seven U.S. Presidential campaigns, recently serving on the John McCain for President Ad Council. Previously, he worked as a senior strategist for the Romney for President campaign and as a key creative member to the Bush-Cheney 2000 and 2004 Campaigns. He has been credited with the discovery of the political "soccer-mom" and called "father of the attack ad."

Castellanos has helped elect nine U.S. Senators, six Governors, and enjoys over two decades of political consulting experience, both abroad and in the United States. Castellanos brings a wealth of campaign strategy, public opinion research and communications experience to corporate communications and public policy campaigns. In 2008, he was honored as a Fellow at the Institute of Politics at the Kennedy School of Government at Harvard University.