His expertise in structural design is broad-reaching, encompassing everything from long-span structures, to megatall buildings.

John Peronto joined Thornton Tomasetti in 2004. Since then, he has designed a variety of building types, including commercial, residential, cultural and aviation facilities. His expertise in structural design is broad-reaching, encompassing everything from long-span structures, to megatall buildings like the Jeddah Tower, which upon completion will be the tallest building in the world. He applies his knowledge in mechanical engineering, material science and fatigue behavior to his projects, which is exemplified in the design of the award-winning TILT at 360 CHICAGO at the John Hancock Center, a mechanized steel-and-glass structure for which John is a patent inventor.

Technical Leadership
John contributes to the development of his profession by taking on leadership roles on technical committees in organizations such as the Structural Engineering Institute of ASCE, the Council on Tall Buildings and Urban Habitat and through serving as an alternate member representing Thornton Tomasetti on the Chicago Committee on High Rise Buildings.

Giving Back to the Profession
He enjoys passing on his experience and knowledge through teaching, which he has done for several years at Marquette University and Cornell University. John has also given guest lectures and presentations to engineering students at Northwestern University, Notre Dame, the Illinois Institute of Technology and Purdue University.

Outside of Work
In his spare time, John enjoys designing and building furniture, home restoration and spending time, especially outdoors, in his home state of Wisconsin. Cycling—particularly mountain biking—is one of his favorite activities.

Expertise
• Tall and supertall buildings
• Large and complex projects
• Long-span structures
• Optimization of structural systems
• Integrated project delivery
• Creep and shrinkage
• Fatigue design and analysis
• Mechanized structures