John M. Dionisio leads

AECOM AECOM (, ; formerly AECOM Technology Corporation) is an American multinational infrastructure consulting firm. AECOM has approximately 51,000 employees, and is number 157 on the 2019 Fortune 500 list. The company's official name from 1990 t ...

(NYSE: ACM), an $8-billion global provider of professional technical and management support services, as

chief executive officer A chief executive officer (CEO), also known as a central executive officer (CEO), chief administrator officer (CAO) or just chief executive (CE), is one of a number of corporate executives charged with the management of an organization especially ...

from 2005 to 2011. He served as chairman of the company's board of directors from 2011 to 2014, becoming executive chairman in 2014. He earned a master of science degree in civil engineering from

New York University Tandon School of Engineering The New York University Tandon School of Engineering (commonly referred to as Tandon) is the engineering and applied sciences school of New York University. Tandon is the second oldest private engineering and technology school in the United Sta ...

(then Polytechnic Institute of New York).

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AECOM Biography
American technology chief executives 1949 births Living people City College of New York alumni Polytechnic Institute of New York University alumni {{US-business-bio-stub