John Devall

John Devall is the Chief Financial Officer at ESS, a position they have held since 2017. They also serve as the Education Division Controller at GCA Services Group, where they have worked since 2005, focusing on financial analysis, forecasting, and budgeting. Previously, John was an Assistant Controller at Associated Building Services from 2000 to 2005, and began their career as a Staff Accountant. John earned a Bachelor of Business Administration in Accounting from Stephen F. Austin State University between 1990 and 1994.