John M. Dionisio
Member
John M. Dionisio leads AECOM , an $8-billion global provider of professional technical and management support services, as chief executive officer from 2005 to 2011.
John M. Dionisio is a member of Meridiam’s Supervisory Board.
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 (then Polytechnic Institute of New York).
John M. Dionisio
Member
![Portrait of John M. Dionisio](https://www.meridiam.com/wp-content/uploads/2021/08/John-M-Dionisio.jpg)