- Born and raised in Atlanta, Georgia.
- Played prep hockey at the Kents Hill School in Maine, two years of Junior Hockey in the Alberta Junior Hockey League (AJHL), Keiser played NCAA Division III for SUNY – Potsdam and later, Western New England University.
- He concluded his playing career in the ECHL for his hometown team, the Atlanta Gladiators.
- At the collegiate level, Keiser served as Assistant Coach at his Alma Mater, Western New England University (NCAA) and Trine University (NCAA).
- Keiser helped build the first ever junior team in Milwaukee and was the Associate Head Coach for the Milwaukee Power in the NA3HL.
- Additionally, Keiser comes to TPH with goalie coaching experience from Pro Crease in Connecticut (4 years), SAP in Atlanta (7 years), and USA Hockey.
- 2018-2020 served as the Director of Goaltending for Milwaukee Jr. Admirals for the last two seasons.