Garth has achieved the honour of CSP (Certified Speaking Professional) by the National Speakers Association and National Speakers Federation.

Garth worked in television for over ten years as a writer, producer, and director, winning awards for his documentary writing. For the past 30 years Garth has worked in education as a television and film scriptwriting instructor, a corporate trainer, a facilitator, and as a mentor to countless students, workshop participants, and staff members. He is a co-author of Greening Granny's Kitchen and contributing author to Getting Things Done: Successful Men Speak.

Garth develops and presents his speeches and workshops with the goal of satisfying the "what's in it for me" question from the audience.

His clients come from diverse fields such as housing, construction, railway, manufacturing, petroleum, printing, education, and transportation. He holds facilitation certifications from Zenger Miller, and Achieve Global.