He attended Culver-Stockton College from 1992 1995. Kaiser played multiple positions such as quarterback, safety, and cornerback. He played his first three seasons at quarterback. He was moved to defensive back his senior year and recorded 55 total tackles and lead the Heart of America Athletic Conference. He was named Heart of America Athletic Conference Baseball Player of the Year in 1995 and 1996. Kaiser was originally going to attend Colorado School of Mines.
The summer of 1998, Kaiser was a member of the Denver Broncos training camp. He was released before the season began. On November 3, 1998, he was signed by the Kansas City Chiefs and spent 6 weeks on the practice squad before being moved up to active roster. He played in his first NFL game against the New York Giants on December 20. In 1999 Kaiser was a member of the Chiefs practice squad once again, on the 16th week of the 99 NFL season, the Dallas Cowboys signed Kaiser from the Chiefs practice squad. He saw action in the NFC Wild Card Playoff game and recorded a tackle. In 2001, He was a member of the Washington Redskins.
After his pro career, Kaiser attended Parker College of Chiropractic in Dallas, Texas and graduated magna cum laude. Kaiser holds postgraduate certifications in Clinical Neurology, Acupuncture, Strength and Conditioning, and High School Sport Physicals. In 2006, he was inducted into the Culver-Stockton College Athletic Hall-of-Fame. Jason is married to his high school sweetheart, Sheri Bruscino.
- Jim Armstrong Denver Post, Sports Writer. (2001, Feb 25). Highlands ranches kaiser finds safety in XFL numbers. Denver Post,