John Milkovich holds a J.D. from the Paul M. Hebert Law Center and began his career as an attorney. He has pursued multiple political campaigns, including unsuccessful runs for Louisiana's 4th congressional district and a successful campaign for the 38th district of the Louisiana State Senate. Milkovich's professional background is rooted in law and public service, with a notable transition from private practice to elected office.

John Milkovich combines a rigid ideological stance with an unconventional rhetorical style, often advancing unscientific claims about vaccines and casting doubt on election integrity. His legislative record reveals a pattern of aligning with opposing factions on environmental regulations, suggesting a highly localized approach to policymaking. Milkovich's willingness to propagate debunked theories raises questions about his commitment to evidence-based governance.