John P. Mullen

John Mullen has worked for Irwin & Leighton for over 20 years, starting out as a Project Accountant and later was promoted to Treasurer. In 2014 he was promoted to Chief Financial Officer of Irwin & Leighton where he oversees internal financial controls and project finances.

As CFO, John leads the Accounting Department, acts as head of Human Resources/Benefits and manages the overall financial stability of the company.