Clients worldwide rely on the Research Triangle Institute to meet R&D challenges. For more than 40 years, RTI's researchers have made discoveries, developed products and services, and provided technical services in more than 115 disciplines. When there is a need for expertise in chemistry, economics, education, engineering, the environment, health and medicine, life science, public policy, statistics, survey research, or a host of other fields, RTI's more than 1,700 researchers and staff respond with innovative approaches to applied research. RTI is headquartered on a 180-acre campus in the heart of Research Triangle Park, North Carolina, and has additional offices in the United States and abroad.