John Jancek (born April 1, 1968) is an American college football coach and former defensive lineman.
[1] Jancek started his coaching career after his playing days ended following the 1990 season.
In 2013, he returned to the SEC, this time as the Tennessee defensive coordinator, where he stayed until the 2015 season.
In 2020, Jancek was brought on as a defensive quality control coach for Kirby Smart and the Georgia Bulldogs football program.
Zac currently is a defensive analyst for the Arkansas State Red Wolves football team.