Garrett Griffeth is a Sports Performance Assistant for Mullen High School in Denver, Colorado. He is also an educator in the Health and Wellness Department. Griffeth joined the Sports Performance Department after serving as an Assistant Football Coach for the Mustangs in 2020.
Griffeth joined the Mustangs after spending his previous 2 years in Brisbane, Australia growing the sport of football internationally as a player and head coach.
In Australia, Griffeth worked and performed as the Head Coach and Defensive Coordinator of the Griffith University Thunder. From 2013-2018, Griffeth traveled Europe playing and coaching football. In the off-season he coached football at D’Evelyn High School in Denver, Colorado.
Throughout his career in Europe, Griffeth spent stints as a player with teams in Finland, Italy, and Germany with his last 3 seasons in Czechia where he served as the Head Coach and Defensive Coordinator. He would not only perform as a player and coach but would engage and perform in community outreach by coaching at local schools, teaching ‘English as a Foreign Language,’ and participating in charity at local hospitals.
Griffeth, a Colorado native is a 2013 Graduate of Hastings College where he was a 4-year letter winner and captain on the football team. He earned his Bachelor’s degree in Exercise Science with a minor in Coaching. Griffeth is looking to complete his master’s degree in Nutrition in the coming years.
Griffeth holds his CSCS through the National Strength and Conditioning Association as a Certified Strength and Conditioning Specialist.
He currently resides in Lakewood, Colorado with his beautiful wife Mariana.