| Gary D. Fields |
Gary D. Fields is currently the Chief Executive Officer & Director at AAON, Inc. since 2015. He is also the Chief Executive Officer at AAON Coil Products, Inc. since 2018. In addition, he holds the position of President, Chief Executive Officer & Director at AAON, Inc. (Oklahoma) since 2020. Mr. Fields is also the Chief Executive Officer at BasX, Inc. and the President & Owner of GKR Partners Ltd. Formerly, Mr. Fields worked as a Sales Representative at Texas Airsystems LLC from 1983 to 2012. He also served as the President of the American Society of Heating Refrigerating & Air-Conditioning. |
| Norman H. Asbjornson |
Norman H. Asbjornson is the founder of AAON, Inc. (Oklahoma) in 1988, where he currently holds the title of Director. He is also the founder of AAON, Inc. in 1987, where he currently holds the title of Director. Additionally, Mr. Asbjornson currently holds the positions of Chairman at AAON Coil Products, Inc. since 2012, President at AAON Canada, Inc., and President at AAON Properties, Inc. |
| Christopher D. Eason |
Christopher D. Eason is currently working as the Chief Accounting Officer at AAON, Inc. He started this position in 2021. Previously, he worked as a Senior Manager at Grant Thornton LLP. Mr. Eason has an educational background, having obtained undergraduate and graduate degrees from Oklahoma State University. |
| Stephen Wakefield |
Stephen Wakefield is currently the Vice President at AAON, Inc. since 2024. He is also the Chief Operating Officer at AAON Coil Products, Inc. In terms of education, he completed his undergraduate degree at Oklahoma State University. |
| Arthur H. McElroy |
Arthur H. McElroy is currently the Chairman at AAON, Inc., the Chairman at Tulsa City of-Rogers County Port Authority, the Chairman at Southern Specialties Co., the Director at St. John Health System, Inc., and the Director at AAON, Inc. (Oklahoma). Previously, he served as the President & Chief Executive Officer at McElroy Manufacturing, Inc., and as a Director at PMT Machine & Tool, Inc. and Pryer Aerospace LLC. |
| Xerxes Gazder |
Xerxes Gazder is currently the Chief Information Officer at AAON, Inc. He has a graduate degree from the Illinois Institute of Technology and an undergraduate degree from Jadavpur University. |
| Rebecca A. Thompson |
Rebecca A. Thompson is currently the Chief Financial Officer & Vice President at AAON, Inc. She also holds the position of Chief Financial Officer & Treasurer at AAON Coil Products, Inc. and Chief Financial Officer at BasX, Inc. Previously, she worked as a Senior Manager at Grant Thornton LLP. Ms. Thompson completed her undergraduate and graduate degrees at The University of Tulsa. |
| Doug Wichman |
Doug Wichman is currently the President at AAON Coil Products, Inc. and the Vice President at AAON, Inc. He holds an MBA from The University of Montana and an undergraduate degree from Montana Technological University. |
| Matthew Tobolski |
Matthew Tobolski is the founder of BasX Solutions LLC, where he holds the title of President starting in 2012. Dr. Tobolski is also the founder of BasX, Inc. Dr. Tobolski's current job is President & Chief Operating Officer at AAON, Inc. starting in 2021. |
| Bruce E. Ware |
Bruce E. Ware is an Independent Director at Seneca Foods Corp., AAON, Inc., and Blackhawk Bancorp, Inc. (Wisconsin). He is also a Director at the University of Mississippi Foundation, AAON, Inc. (Oklahoma), and was previously a Vice President at DaVita, Inc. His former positions include Director at Uplift Education, Mortar Board Alumni, and Member at Omicron Delta Kappa Society, Inc. Mr. Ware holds a graduate degree from The University of Texas at Austin, an undergraduate degree from the University of Mississippi, an MBA from Harvard Business School, and a graduate degree from the Lyndon B Johnson School of Public Affairs. |
| Stephen O. LeClair |
Stephen O. LeClair is currently the Chief Executive Officer & Director at Core & Main LP since 2017. He is also the Chairman & Chief Executive Officer at Core & Main, Inc. since 2021. Additionally, he serves as an Independent Director at AAON, Inc. since 2017. Mr. LeClair's former positions include being a Senior Director-Operations at HD Supply Holdings, Inc., a Principal at GE Appliances Europe, a Senior Vice President-Marketing at GE Equipment Services Corp. from 2002 to 2006, and a Senior Vice President at GE Capital Equipment Services Ltd. from 2002 to 2005. He was also the President of HD Supply Lumber & Building Materials from 2007 to 2008. Mr. LeClair obtained his undergraduate degree from Union College (New York) and holds an MBA from the University of Louisville. |
| Caron A. Lawhorn |
Caron A. Lawhorn currently works at AAON, Inc., as Independent Vice Chairman from 2022, Northern Border Pipeline Co., as Director from 2010, ONEOK Partners GP LLC, as Director, Chief Accounting Officer & SVP from 2009, AAON, Inc. (Oklahoma), as Director, Targa Resources Corp., as Independent Director from 2024, The American Institute of Certified Public Accountants, as Member, Guardian Pipeline LLC, as Chief Accounting Officer & Senior Vice President, American Gas Association, as Member, The Institute of Internal Auditors, as Member, Oklahoma Business Ethics Consortium, as Member, Saint Simeon's Episcopal Home, as Treasurer, Tulsa Community College, as Chair-Regents Board, and Tulsa Stadium Trust, as Trustee. Ms. Lawhorn also formerly worked at Southern Gas Association, as Chairman, Tulsa Area United Way, as Vice Chairman, ONEOK Partners LP, as Director, SVP-Corporate Planning & Development from 2009 to 2011, ONEOK, Inc., as Chief Accounting Officer & Senior Vice President from 2007 to 2010, KPMG LLP, as Senior Manager, Oklahoma Natural Gas Co., as Senior Vice President-Commercial & Natural Gas, Kansas Gas Service Co., Inc., as President, Texas Gas Service Co., Inc., as President, Emergency Medical Services Authority, as Chief Financial Officer, ONE Gas, Inc., as Chief Financial Officer & Senior Vice President from 2019 to 2023, and Ronald Mcdonald House Charities of Tulsa, as President. Ms. Lawhorn received her undergraduate degree in 1983 from The University of Tulsa. |
| David R. Stewart |
David R. Stewart is currently the Chairman of Oklahoma Business Roundtable. He is also an Independent Director at AAON, Inc. and a Director at AAON, Inc. (Oklahoma), The State Chamber of Oklahoma, Tulsa Regional Chamber of Commerce, Tulsa Community College Foundation, Oklahoma Ordnance Works Authority, and Midamerica Industrial Park. Previously, Mr. Stewart served as the Chief Executive Officer of Cherokee Nation Industries LLC and Cherokee Nation Businesses LLC. He obtained his undergraduate and graduate degrees from Oklahoma State University. |
| Angela E. Kouplen |
Angela E. Kouplen is currently serving as an Independent Director at AAON, Inc. since 2016. She is also a Director at AAON, Inc. (Oklahoma). In addition, she holds the position of Chief Information Officer & VP-Administration at The University of Tulsa since 2021 and will be the Chief Human Resources Officer & Senior VP at ONE Gas, Inc. starting in 2023. Previously, Ms. Kouplen worked as the Manager-IT Strategy & Governance at The Williams Cos., Inc. from 2010 to 2011. Prior to that, she was the Manager-E Business Strategy & Alliance at CITGO Petroleum Corp. from 1997 to 2007. She also served as the Chief Information Officer & VP-Administration at WPX Energy, Inc. from 2018 to 2021. Ms. Kouplen completed her undergraduate degree at Oklahoma State University and holds an MBA from The University of Tulsa. |
