1973-1974 H.J. Bakke, Architectural Firm, Los Altos, California Projects: The Springs and The Springs West, Palm Springs, California 140 Homes arranged around two golf courses designed by Jack Nicholas. 1975-1978 ATCO Industries, Modular Building DivisionDirector of Modular Product developmentProjects: 5000 man modular camp facility for King Abdul Azziz, Military Academy, Saudi Arabia Developed Modular buildings for manufacture in Canada and shipment to Saudi Arabia. 1978-1981 Oxford Development Group Construction Manager and Project Manager forEau Claire Estates, Calgary AlbertaFull responsibility for management of design and construction of 170 unit high rise luxury condominium project and design for Dome Petroleum Headquarters Buildings 2.2 million square feet of office space.  1982 to 1985 Vice President Design and Engineering Tetratech Building Systems International Developed structural insulated panel building systemused for both residential and commercial construction. Secured patents for both building systems and an 80 ton extrusionmill for production of panels. Patents issued to Barry Sullivan.Buildings constructed with this system in USA, Canada, Nigeria, Costa Rica, and Jamaica. Buildings included single family homes, apartments, offices, a 12,000 sf US Post Office Building, army barracks in Nigeria and low-cost housing in Jamaica and Costa Rica.  1986 to 1989 Vice President Design and Construction For Southland Financial in Dallas Texas.Projects included the Four Seasons Hotel from concept through, design,construction and opening, 22 story office tower located adjacent to the four seasons Hotel and numerous other low rise retail and commercial projects.