Citizens United and U.S. Representative Steve King are set to hold the first ever “Iowa Freedom Summit” on Jan. 24 in Des Moines.

The event is attracting almost two dozen speakers from around the country, many of whom are contemplating a run for the White House in 2016.

Here is a list of confirmed speakers for the event:

• U.S. Rep. Marsha Blackburn, R-TN

• U.S. Rep. Rod Blum, R-Iowa

• Former U.S. Ambassador to the U.N. John Bolton

• Iowa Gov. Terry Branstad

• Dr. Ben Carson

• New Jersey Gov. Chris Christie

• U.S. Sen. Ted Cruz, R-Texas

• Former U.S. Sen. and Heritage Foundation President Jim DeMint

• U.S. Rep. Jeff Duncan, R-SC

• U.S. Sen. Joni Ernst, R-Iowa

• Former H.P. CEO Carly Fiorina

• Former Virginia Gov. Jim Gilmore

• Former Speaker of the House Newt Gingrich

• U.S. Sen. Chuck Grassley, R-Iowa

• Former Arkansas Gov. Mike Huckabee

• U.S. Sen. Mike Lee, R-UT

• New Hampshire State Rep. William O’Brien

• Former Alaska Gov. Sarah Palin

• Iowa Lt. Gov. Kim Reynolds

• Former U.S. Sen. Rick Santorum, R-PA

• Donald Trump

• Wisconsin Gov. Scott Walker

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