Meet The Founders
The Stack System is golf's #1 speed training system developed by Dr. Sasho MacKenzie
and PGA Professional, Marty Jertson. Learn more about Sasho and Marty, who combined
their years of experience and knowledge to build TheStack with the goal of bringing Tour
caliber training to all golfers.
The Savant of Speed
Dr. Sasho MacKenzie
- Leader in training and biomechanics of speed generation
- Ph.D in Biomechanics
- Engineering consultant for PING
- Biomechanics advisor and software developer for FOOT JOY
- 20+ published golf related, peer-reviewed scientific articles
- Regular contributor to GOLF Magazine
- MLB biomechanics/bat fitting consultant
- 2020 World Series Champion, LA Dodgers
Sasho's work and theories have driven a scientific revolution in golf
instruction and movement training. The Stack System is a culmination of all of his
research and findings in one app so you can train just like the best golfers in the world.
Excellence in Engineering
Marty Jertson
- VP Fitting & Performance at PING
- Engineer at PING for 20+ years
- Named inventor on over 125 patents
- Lead designer of the G30 and G410 drivers
- Co-inventor of the iPING Putting App
- Led creation of the Ballnamic Golf Ball fitting tool and PING Co-Pilot
- Competed in 6 Major Championships
- 2x Winning PGA Cup Team Member
- 5x defending Club Champion at Wildfire Golf Club
- 2x Southwest Section PGA Player of the Year
Marty's determination to elevate his game to the highest level was a main
driving force in building The Stack System, and he's thrilled to share his work
with you to improve your and your students' game, just like he did.