Because of his vocal talent and technical skills, he was hired as a production director for several US radio stations in cities including: New Orleans, Philadelphia, Phoenix, San Diego, and Los Angeles.

[citation needed] He dubs the voice of professor Simon and Archibald in Runaway 2: The Dream of the Turtle.

St. John voices characters for rides and attractions at the Legoland California theme park in Carlsbad, CA.

and at Dollywood theme park in Tennessee, he's the voice of Buzz the Buzzard, an audio animatronic character who introduces riders to the Mystery Mine ride.

[3] He is currently working on voicing for Dudebro II and Dota 2,[2] as well as providing PvP voiceovers for Guild Wars 2.