Mitt Romney
U.S. senator from Utah, former Massachusetts governor
Republican National Committee
U.S. political committee that leads the Republican Party of the U.S., a/k/a The Grand Ol' Party/GOP
Phil Gingrey
US Representative from Georgia
Lynn A Westmoreland
Former US Representative from Georgia (2005-2017)
Eric Cantor
Former US Representative from Virginia/House Majority Leader; Vice Chairman and Managing Director, Moelis & Company
Saxby Chambliss
Republican US Senator and Representative from Georgia
Rudy Giuliani
Trump adviser; former mayor of New York City
John McCain
US Senator and Representative from Arizona