Directly out of high school, Greg Johnson joined an apprenticeship and became a certified sheet metal technician through the Virginia Apprenticeship Council. Shortly thereafter he became a licensed Virginia HVAC journeyman and gained his OSHA 30 certification.
In the fall of 2004, he began serving as an apprentice for Howell’s Heating and Air. Two years later, he was appointed sheet metal fabrication supervisor — a position he held for more than four years. He then moved on to hold the same position for ColonialWebb.