Mark M. Chatfield

The Interaction Research Institute, Inc. provides research, training and development services. It offers services in survey guided improvement, strategic planning, performance measures, analytical consulting, information systems design, organizational development, and cross-cultural intervention. The company was founded by Thomas D. Affourtit in 1975 and is headquartered in Fairfax, VA.

The American Society of Civil Engineers, founded in 1852, is the oldest national engineering society in America. The non-profit company is based in Reston, VA and has subsidiaries in the United States. With over 150,000 members worldwide, the organization advocates for sustainable and resilient practices to maintain and modernize the nation's infrastructure. The company also works to increase investment in infrastructure and improve engineering knowledge and competency. The society's Civil Engineering Landmark Program recognizes historically significant civil engineering projects, structures, and sites.