John C. Atz, P.E. has been President and CEO of Kimley-Horn and Associates, Inc. since 2009. John joined the firm in 1987 as an engineer analyst. In 1990, he became an office leader and ultimately became the Florida regional leader in 2002. His professional affiliations include the American Society of Civil Engineers and the Florida Engineering Foundation where he currently serves as a trustee. John earned his bachelor’s and master’s degrees in civil engineering from Clemson University.


Kimley-Horn is one of the nation’s most comprehensive and best respected engineering and land planning firms. With over 2,000 staff members in more than 63 offices natonwide, the firm offers full services in a wide range of disciplines. Kimley-Horn has been recognized by FORTUNE magazine (“100 Best Companies to Work For”) and Civil Engineering News (#1 “Best Civil Engineering Companies to Work For”).