Don Gillis is HARDI’s HVACR Technical Trainer, bringing more than 30 years of hands-on industry experience to the role. His career spans service technician, business owner, territory manager, and national training leader, with recent roles at Emerson and The Chemours Company delivering technical education across North America. At HARDI, Don develops and leads technical training programs that strengthen distributor capabilities and support workforce growth, including initiatives in counter sales, inside sales, and product/technical management. Known for blending field expertise with instructional excellence, Don is passionate about simplifying complex concepts and empowering HVACR professionals to succeed in an evolving marketplace.
