William J. Riat joined Casto in 1995 and is actively involved with the company's downtown and mixed-use development projects. He also heads the company's residential division and directs the development, construction and management of new multi-family projects and future single-family housing projects. Prior to joining Casto, Riat served as president of Newtowne, Inc. and vice president of architecture for Borror Corp. Riat is a 1973 graduate of The Ohio State University School of Architecture.
