John Rettig

John is BILL’s President and Chief Operating Officer and has been with the company since 2014. He has more than 25 years of business and strategic finance leadership experience in helping tech companies scale. He served as BILL's CFO from 2014 to 2025 and led BILL's IPO in 2019.

Prior to BILL, John was Chief Financial Officer of Exponential Interactive, Inc., a leading global digital media company with 750 employees and operations spanning 26 countries. John’s previous experience includes senior finance leadership roles at high growth companies in the ecommerce, software, and Internet spaces, after starting his career in accounting for a biomedical consulting company.

John currently serves on the Board of Trustees for Saint Mary’s College. John holds a B.S. from St. Mary’s College.