Having worked with metal for more than twenty-five years, he has provided architects from across the country with unique solutions to a wide range of problems by including functional and non-functional applications to his works within a wide range of sizes, and interior and exterior solutions. He maintains a well-equipped fabrication studio and enjoys a reputation for providing exciting visual solutions coupled with meticulous craftsmanship.  He works well with architects and clients and presents his ideas via Maquettes fabricated in metal. Johnston’s work has been widely shown and is included in numerous public and private collections including the Sweeney Art Gallery at the University of California; Cranbrook Academy of Art Museum in Bloomfield Hills, Michigan; Delta Airlines in Los Angeles; and various Salt Lake City parks and government agencies