His field experience consists of survey and layout, engineering site work, general and swimming pool construction, and his extensive design experience includes competitive, recreation and leisure aquatic facilities. He has been responsible for the design of more than 2,200 public and private-sector projects. As principal-in-charge of design for Aquatic Design Group, Ferrell is responsible for production and execution of the overall design process, from concept to completion, and provides quality checks and assurance for each set of plans.