We Design from the inside Out With more than 40 years of combined experience in design and facilities planning, SDG personnel have a unique ability to accurately assess objective project requirements in a timely manner. Functional and aesthetic goals of a project are blended to create efficient and attractive environments that are completed on time and with in budget. Each stage of the project is personally monitored by Rayne Sherman, the principal of the firm. Experience, energy and commitment make SDG an ideal choice for design and facilities planning, whether the project is a single regional facility, campus environment or a multi-story corporate headquarters.