Jim McClendon holds an undergraduate degree and a Ph.D. from the University of Houston, complemented by a stint in the United States Navy Medical Service Corps during the Vietnam era. He has a robust background in clinical optometry, having taught at the University of Alabama, Birmingham, and led a private practice. McClendon has also served as President of the Alabama Optometric Association, showcasing his leadership in the professional realm. His career trajectory includes significant roles in state legislature, having served in the Alabama House of Representatives and currently in the Alabama State Senate.

Jim McClendon's political identity is marked by a blend of traditional and unconventional stances, particularly in social issues. His support for the Human Life Protection Act, which criminalizes abortion at any stage, contrasts with his suggestion that cancer patients can buy marijuana on the street. McClendon's legislative record shows an unexpected convergence with opposing factions on environmental regulations, revealing a highly calculated approach to protecting regional industrial interests. His proposals, including a state lottery requiring a constitutional amendment, further illustrate an ideologically agile approach.