Jon Dorenbos is a professional football player who has been playing with the NFL since 2003. He currently plays for the Philadelphia Eagles, and has been since 2006. Before 2006, he has played for the Buffalo Bills and the Tennessee Titans.
Dorenbos took solace in magic after his father was convicted of killing his mother when Dorenbos was only 12, and has been practicing it ever since. He has performed for fellow teammates, and in the likes of Las Vegas and Hollywood. He collects the autographs of every famous person he performs for on playing cards, which he hangs up in his house in Huntington Beach. 
Jon Dorenbos' audition in Episode 1104 consisted of performing a card trick in which he used different ways in revealing cards numbered in order from Ace to King, and then sorting all of the cards into their four different suits, before revealing a card Simon Cowell chose under a paperclip he placed at the beginning of the act. Howie Mandel, Mel B, Heidi Klum, and Simon all voted "Yes", sending Jon to the Judge Cuts.
Jon Dorenbos' Judge Cuts performance in Episode 1107 consisted of inviting guest judge Ne-Yo to pick a random card from a deck and hide it from Jon. Jon the drew an incorrect card on a notepad, which he then "corrected" by making it look like a full deck. After Ne-Yo revealed his card, Jon created the illusion of the correct card emerging from the deck on the paper. Howie Mandel gave him a standing ovation. Impressed by the performance, guest judge Ne-Yo pressed his Golden Buzzer for Jon, sending him straight to the Quarterfinals.
Jon Dorenbos' Week 1 Quarterfinals performance in Episode 1111 consisted of having a prediction inside of a bottle and setting it aside. Then, all four judges drew a picture on a piece of paper. Jon proceeded to guess correctly which judge drew each drawing. Finally, he put the glass bottle inside of a bag and had Simon Cowell smash the bottle with a hammer. Jon pulled an envelope out and inside of the envelope was a very accurate prediction of Simon's drawing. A secret second pocket was revealed to have very accurate predictions of the three other judges' drawings. Howie Mandel, Mel B, Heidi Klum, and Simon Cowell all gave Jon standing ovations. Jon received enough votes to be sent to the Semifinals in Episode 1112 along with Tape Face, instead of Sila Sveta.
Jon Dorenbos' Week 1 Semifinals performance in Episode 1117 consisted of inviting the four judges to throw or snap magnetic footballs toward a magnetic map of the United States. The four balls landed on four different states. Next, Jon revealed inside a treasure chest a set of quarters. When the judges read the backs of the four quarters, they found engraved precisely the four states the judges threw balls on. Howie Mandel, Mel B, Heidi Klum, and Simon Cowell all gave him standing ovations. Jon received enough votes to be sent to the Finals in Episode 1118, instead of Blake Vogt and Deadly Games.
Jon Dorenbos' Finals performance in Episode 1121 consisted of narrating a story about how magic saved his life as he shuffled a deck repeatedly until autographed cards by the judges appeared seemingly from nowhere. He also appeared to correctly predict Simon would choose his own son, Eric, as an important person. Howie Mandel, Mel B, Heidi Klum, and Simon Cowell all gave Jon standing ovations.
For the finale in Episode 1122, Jon Dorenbos invited guest Paula Abdul to pick a random playing card from a deck of cards, hold it in front of her, and then rip it into four pieces. Next, he handed one of the corners to Paula and dropped the three other pieces into a paper bag. Next, he unraveled the bag and revealed it to be now empty. Finally, he opened a small envelope that had been on a table and took out a playing card with a corner ripped out of it; the corner in Paula's hand fit perfectly into the rip as if the three ripped pieces had fused together. Jon received enough votes to advance to the Top 5 instead of Linkin' Bridge. Jon finished in third place in the competition overall, in front of Sal Valentinetti and Brian Justin Crum, but behind The Clairvoyants and Grace VanderWaal.