[1] He received his Juris Doctor from the Fredric G. Levin College of Law at the University of Florida in 1992, magna cum laude.

"[2] After graduating from law school second in his class, he clerked for Judge Emmett Ripley Cox of the United States Court of Appeals for the Eleventh Circuit from 1993 to 1994.

[1] In July 1997 he spent a short period in private practice, but soon left to work as an assistant public defender for Florida's second judicial circuit.

[7] In July 2018, Walker invalidated as unconstitutional Florida's total prohibition on early voting sites on college and university campuses.

[8] Walker determined the prohibition violated the First, Fourteenth, and Twenty-Sixth Amendments and the law revealed a "stark pattern of discrimination" against younger voters.

[12] This decision, made on the basis of Section 4(e) of the Voting Rights Act, was especially critical, as Florida was grappling with a recent influx of Puerto Ricans fleeing the aftermath of 2017's Hurricane Maria.

After the 2018 midterms, Walker ruled in favor of then-governor Rick Scott who oversaw the state's ongoing recount in which he was a candidate for U.S. Senate.

“Though sometimes careening perilously close to a due process violation, Scott’s most questionable conduct has occurred in his capacity as a candidate rather than as governor," Walker wrote.

[17][18][19] In an outline of the legislative history of the bill, Walker wrote, "And the exact justification for SB 90 as a whole, and for its constituent parts, is difficult to pin down, with sponsors and supporters offering conflicting or nonsensical rationales.