AAON, Inc. announced that its Chief Executive Officer, Gary D. Fields, will transition to the role of special advisor to the Board, effective May 13, 2025. Fields, who has over 40 years of experience in the HVAC industry, has served as CEO since 2020 and was a member of the Board of Directors since 2015.

Matt J. Tobolski, PhD, will assume the role of Chief Executive Officer while continuing as President, effective the same date. Tobolski has been President and Chief Operating Officer since January 2024 and previously co-founded and led BASX, Inc., a wholly owned subsidiary of AAON.

Both Fields and Tobolski will be eligible to participate in AAON’s executive compensation package, and no new employment agreements were made in connection with their appointments.