Established in 1987, Sebastian & Associates is a building and landscaping architecture firm. It provides consulting services in site development, master and campus planning, and urban and street design. The firm has been involved in a range of construction projects. Sebastian & Associates utilizes a network of experienced design professionals and architectures. It has undertaken various projects, such as Gates Computer Science Building, Allen Center for Integrated Systems, the Stanford University, the University of California- Irvine, Glen Eyrie Conference Center and the Wolong International Training Center.