He attended the University of California at Santa Cruz majoring in economics for three weeks, before finding his passion with the theatre arts/film program.

[1] His first show business endeavour was as an assistant in feature film publicity at MGM Studios, which led to him meeting many executives.

For his first script, he partnered with college friend, Andrew Cosby, and sold a spec to New Line Cinema.

[1][2] In summer 2014, Paglia was hired as a writer on the DC Comics produced CW superhero series The Flash.

He co-wrote the series' 6th episode, "The Flash Is Born", which introduced the supervillain Girder.