Officers

Gary D. Fields

CEO

Matt Tobolski

President and COO

Rebecca Thompson

Vice President of Finance, CFO, and Treasurer

Stephen Wakefield

Vice President and EVP AAON Oklahoma

Casey Kidwell

Vice President, Administration

Rob Teis

Vice President, Business Technology

Doug Wichman

Vice President and AAON Coil Products President

Dave Benson

Vice President and BASX President

Chris Eason

CAO

Xerxes Gazder

CIO

Gary D. Fields

CEO

Gary Fields has served as Chief Executive Officer of AAON, Inc., a Nevada corporation (“AAON” or the “Company”), since 2020, as President of the Company since 2016, and a director of the Company since 2015. Mr. Fields also serves as the President and Chief Executive Officer of AAON, Inc, an Oklahoma Corporation (“AAON-Oklahoma”), Chief Executive Officer of AAON Coil Products, Inc. (“AAON Coil Products”), and Chief Executive Officer of BASX, Inc. (“BASX”). Mr. Fields served as President of AAON Coil Products from 2018 to March 2020.

Mr. Fields has been involved in the HVAC industry for over 35 years. From 1983 to 2012, he was an HVAC equipment sales representative at Texas AirSystems, and from 2002 to 2012, a member of the ownership group of Texas AirSystems; the largest independent HVAC equipment and solutions provider in the state of Texas.

Matt Tobolski

President and COO

Rebecca Thompson

Vice President of Finance, CFO, and Treasurer

Rebecca Thompson has served as Vice President, Finance, and Chief Financial Officer of AAON since 2021. Prior to this promotion, Ms. Thompson served as Treasurer of the Company since 2017, and Chief Accounting Officer of the Company since 2012. Ms. Thompson also serves as Chief Financial Officer and Treasurer of AAON-Oklahoma and AAON Coil Products; and Chief Financial Officer of BASX. Ms. Thompson previously served as a Senior Manager at Grant Thornton, LLP where she had 11 years of experience in the assurance division. Ms. Thompson is a licensed certified public accountant.

Stephen Wakefield

Vice President and EVP AAON Oklahoma

Stephen Wakefield has served as Vice President and Chief Operating Officer of AAON since May 2020. Prior to his appointment at Chief Operating Officer, he most recently served as Vice President of Engineering of the Company since 2018; served as the Company’s Director of Engineering; and held several engineering roles, including Director of Design and Engineering Operations from 2017 to 2018, Senior Manager of Research and Development from 2015 to 2017, and Design Engineering Manager from 2005 to 2015. Mr. Wakefield has been with the Company since 1999. Mr. Wakefield has extensive knowledge and experience with all aspects of the Company’s engineering and product design processes.

Casey Kidwell

Vice President, Administration

Casey Kidwell has served as Vice President, Administration of AAON since May 2022. Prior to this promotion, Mr. Kidwell served as Director of Administration of the Company since 2021. Mr. Kidwell previously served almost 10 years in various roles at WPX Energy, including most recently as Human Resources Operations Manager.

Rob Teis

Vice President, Business Technology

Rob Teis has served as Vice President, Sales and Marketing of AAON since August 2022. Prior to this promotion, Mr. Teis served as Director of Sales of the Company since 2017. Prior to that, he served as an Applied Equipment Sales Engineer for the Company for 15 years. Mr. Teis is a registered professional engineer in the state of Oklahoma and worked as a consulting engineer prior to joining AAON.

Doug Wichman

Vice President and AAON Coil Products President

Doug Wichman has served as Vice President of AAON and Executive Vice President of AAON Coil Products since January 2022. Prior to this promotion, he most recently served as AAON’s Director of Manufacturing, and prior to that held several roles, including Plant Manager from 2017 to 2018 and Manufacturing Engineer from 2013 to 2017. Mr. Wichman has extensive knowledge and experience with all aspects of AAON’s manufacturing processes.

Dave Benson

Vice President and BASX President

Chris Eason

CAO

Chris Eason has served as Chief Accounting Officer of AAON since 2021. Prior to this promotion, Mr. Eason served as Controller and Financial Reporting Manager of the Company since 2018. Mr. Eason previously served as a Senior Manager at Grant Thornton, LLP where he had over 13 years of experience in the assurance division. Mr. Eason is a licensed certified public accountant.

Xerxes Gazder

CIO

Xerxes Gazder has served as Chief Information Officer of AAON since July 2022. Mr. Gazder came to AAON with nearly 30 years of leadership experience in information systems across a wide range of industries, including manufacturing, financial services, insurance, healthcare, telecommunications, energy services and logistics.