John McCain
US Senator and Representative from Arizona
Ron Johnson
US Senator from Wisconsin
David Malpass
World Bank president. Trump Under Secretary of the Treasury; economist, former chief economist at Bear Stearns
Doug Hoffman
Conservative Party candidate for Congress - New York's 23rd congressional district
Rudy Giuliani
Trump adviser; former mayor of New York City
Pat Toomey
former US Senator from Pennsylvania (2011-2023); former US Representative