Terry Arko is a seasoned professional in the pool and spa industry, currently serving as the Product Training and Content Manager for Hasa Pool Inc. since July 2019, and previously working as an independent consultant. With extensive experience, Terry held roles such as Director of Technical Services at Bio Dex Laboratories, where the focus was on branding and technical content, and Recreational Water Specialist/Commercial Sales at Natural Chemistry, overseeing sales and training in the Northwest region. Additionally, Terry spent over two decades at HALOSOURCE, INC, specializing in technical services and customer troubleshooting for pool and spa chemicals.