In 2011, Munsil was announced as the permanent president of Arizona Christian University[1] In 2016, he served as a delegate to the Republican National Convention, and a member of the GOP Platform Committee.

He had been a member of the Board of Trustees for six years and an adjunct professor, teaching ethics, political science and pre-law courses at the university since 1994.

[3] Under his leadership, ACU raised its visibility, expanded its course offerings and majors, undertook campus renovations and building projects, dramatically increased fundraising and experienced large enrollment gains.

The university sought to attract students who would "transform culture with truth" – building biblical influence in every corner of society.

[citation needed] On his father's side Munsil is descended from five signers of The Mayflower Compact and about a dozen men who fought in the American Revolution.

[citation needed] During the campaign, Munsil was endorsed by four Republican U.S. representatives from Arizona: Jeff Flake, Trent Franks, Rick Renzi, and John Shadegg.

[7] Early polls suggested that Munsil had significant ground to make up in the primary, indicating in July that he had a mere 12% of Republican voters behind him.