He served as a Republican member for the 122nd district[3][4] in the Kansas House of Representatives[5] from 2021 to 2025, when he began serving the 39th district in the Kansas Senate.
[6] In 2020, he ran for Kansas's 1st congressional district, but lost to Tracey Mann.
Clifford is a member of the National Rifle Association of America.
[7] He has been a member of the Finney County Commission and Garden City Community College Board of Trustees.
He works as an ophthalmologist outside of politics at Fry Eye Associates and Surgery Center, which he co-owns.