He played his college football at Walsh University and graduated with his bachelor's degree in Computer Science.
He was awarded Defensive Player of the Week honors in the American Conference Finals Game after sealing the victory with a game-ending interception.
He led the Arena Football League in interceptions with 12 his rookie year in 2010, earning First Team All-Arena honors.
[18][19] He earned Second Team All-Arena honors after recording 82 tackles and 9 interceptions in 18 games with the Soul in 2013.
[20] He was named Second Team All-Arena for the second consecutive year after collecting 101.5 tackles and 9 interceptions in 18 games in 2014.
[25] He earned Second Team All-Arena honors for the third consecutive year after recording 87.5 tackles and five interceptions in 2015.
[32][33] Following the next season in 2021, Kizer returned to the Pirates as the assistant head coach and defensive coordinator.
[35] He had a successful first season as a head coach with an 11–5 record but lost the first round of the playoffs at home against the Quad City Steamwheelers.
[36] In January 2022, Kizer was assigned to the Omaha Beef of the Champions Indoor Football as the head coach.
Despite this Kizer would not return to the Beef for their 2024 season, as he resigned as head coach on December 18, 2023 and was replaced by Mike Tatum.
[37] In December 2023, Kizer was assigned to the Tucson Sugar Skulls of the IFL as the defensive coordinator.