Daniel W. Falconer, the American Concrete Institute's managing director of engineering, died on July 29, 2015 at the age of 59 in Hartland, Michigan after a 16-month battle with colon cancer. Falconer had been with the model-code-writing body since 1998. He was the secretary for the group's technical activities committee and the staff liaison to the committee developing ACI 318-14: Building Code Requirements for Structural Concrete. He also represented ACI's interests within the code, standards and specifications writing activities of numerous concrete-related groups.