John T. Livingston, president of Tishman Construction Corp., New York City, has been named to the added position of CEO of AECOM Construction Services Group as a result of the contractor’s 2010 acquisition by AECOM Technology Corp., Los Angeles. A 17-year Tishman veteran, he will lead the unit’s construction and program management operations in North America and the Middle East.
Joel Stone has been named CEO of SpawGlass, a Selma, Texas-based contractor and design-build firm. Currently vice president of business development, he will take over the new role in December, when Fred Raley steps down. Raley will remain as chairman.