The background and presentation skills of the instructor are the most important factors in selecting a training provider. You need someone with extensive GD&T experience, but also with a lively and down-to-earth style.
John-Paul Belanger has been a full-time GD&T instructor since 1995. Your group will not only learn the GD&T system, but why and how it applies to their job.
Adjunct instructors John Stolter and Daniel Bauer are also certified as Sr. GD&T Professionals and are part of the GLS team.