John Eugene Defillipo was born on April 12, 1978. He is American.

Defilippo currently serves as the quarterback coach and passing game coordinator for the Chicago Bears of the National Football League (NFL). He attended high school at Radnor High School.

Defilippo also attended college at James Madison University where he played college football. In past times, he has served as the offensive coordinator for the Cleveland Browns, Minnesota Vikings and Jacksonville Jaguars.

Defilippo is married. He got married to Kari, his wife in July 2014.

The pair have a daughter named Renee. She was born in July 2020.

Kari was born on April 13, 1985. She was a school teacher when she met John.

At that time, Defilippo was coaching San Jose State. On their second date, he asked Kari if she would move in with him.

That was the period the Raiders hired him in 2011. The couple owns two dogs which they rescued- a French bulldog and a Labrador-Pug mix.

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