[4] He is the founder and president of American Majority, a Virginia-based conservative political training institute allied with the Tea Party movement.

[11][12] A career Republican Party operative,[3] as of 2013 Ryun was the CEO of Voter Gravity, a Republican data firm used for the party's get out the vote efforts; the company created "tablet and smartphone accessible canvassing maps, walk lists, voter information and dialing tools.

[15] In 2017, Ryun critiqued the Republican tax proposal for not going far enough, accusing the bill of being "a grab bag of goodies for the uberwealthy globalists.

[17] He pushed for Trump to nominate Amy Coney Barrett over Barbara Lagoa.

[15] Ryun was appointed by Trump to his 1776 Commission, which produced a report on American history that linked progressivism to fascism.