REBECCA B. BLALOCK

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Rebecca Blalock has served on our Board of Directors since June 2016. Ms. Blalock is a partner at Advisory Capital LLC, which provides strategic consulting in the areas of energy and information technology. She has served in that role since October 2011. From October 2002 to October 2011, Ms. Blalock was Senior Vice President and Chief Information Officer of Southern Company, a Fortune 500 energy company. From 1979 to October 2002, Ms. Blalock served in various positions at Georgia Power and Southern Company Services, which are subsidiaries of Southern Company. Ms. Blalock’s management experience during her tenure at Georgia Power included serving as Vice President of Community and Economic Development from January 2000 to October 2002 and Director, Corporate Communication from February 1996 to February 2000. She currently serves on the Advisory Boards of Valor Ventures LLC and HData LLC. She is also a board member of 1910 Legacy, which is an employee-owned company, and she chairs the nomination and governance committee of this board. She previously served on the Board of Directors of Hannon Armstrong Sustainable Infrastructure Capital, Inc., including on its Compensation Committee from March 15, 2017 until July 31, 2019 and on its Finance and Risk Committee from May 15, 2017 until July 31, 2019. She also serves on the Board of Councilors of The Carter Center and was elected to the State of Georgia’s Humanities Board. Ms. Blalock holds a BBA in Marketing from State University of West Georgia and an MBA in Finance from Mercer University. Ms. Blalock also completed the Program for Management Development (PMD) at Harvard Business School, received a cyber-security certificate from the Georgia Institute of Technology in 2017 and a Cyber Risk Oversight Certificate from the National Association of Corporate Directors in 2018.

Committee Positions
  • Audit Committee
  • Chair of the Nominating, Governance & Sustainability Committee

KATIE M. KOOL

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Katie M. Kool has served on our Board of Directors since November 2022. Ms. Kool has served as the President of Impact100 Genesee County, a non-profit organization, since March 2023. Ms. Kool previously served as the CEO of Tide Cleaners, a wholly owned subsidiary of Procter & Gamble (“P&G”), until her retirement in June 2022. Under Ms. Kool’s leadership as CEO, Tide Cleaners grew from 35 to 191 stores and was ranked 76th in Entrepreneur’s Franchise 500 ranking in 2022, marking the third consecutive year in the top 100. During her 27-year tenure at P&G, Ms. Kool served in a variety of executive leadership roles, including CFO of North America Fabric Care, the largest regional business unit at P&G, with over $8 billion in retail sales, and CFO of the Global P&G Professional business. In addition to her extensive business leadership experience, Ms. Kool was a key member of P&G’s award-winning Investor Relations team, partnering with multiple CEOs and leading the communication for the strategy renewal that spanned two $10 billion productivity programs and a more focused portfolio of strategic brands. Additionally, Ms. Kool led numerous acquisitions, integrations, and business expansions, and navigated Tide Cleaners through the COVID-19 pandemic, growing industry share, opening new stores and overseeing expansion to new campuses. Ms. Kool is also a member of the Board of Directors of Digimarc Corporation, where she chairs the Compensation and Talent Management Committee and serves on the Audit and the Governance, Nominating, and Sustainability Committees. Ms. Kool also serves as a board member and Chief Financial Officer of Sonje Ayiti, a non-profit organization. Ms. Kool received her BA, summa cum laude, in Economics from Kalamazoo College and her MBA from Washington University in St. Louis.

Committee Positions
  • Chair of the Audit Committee
  • Nominating, Governance & Sustainability Committee

STEVEN R. MITCHELL

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Steven R. Mitchell has served on our Board of Directors since August 2009. Mr. Mitchell has served as the Chief Executive Officer of Argonaut Private Capital L.P. since July 2016, prior to which he was the managing director of Argonaut Private Equity, LLC, or Argonaut, since November 2004. Prior to joining Argonaut, Mr. Mitchell was a principal in both Radical Incubation and 2929 Entertainment. He currently serves on the boards of directors of several public and privately owned companies, including Stepstone Group; Alkami Technology, Inc.; S&R Compression, LLC; DMB Pacific, LLC; Downing Wellhead Equipment LLC; The Fred Jones Companies, LLC; JAC Holding Enterprises, Inc.; QRC Valve Distributors LLC; SEF Energy, LLC; Mammoth Carbon Products, LLC; MT Group Holdings, LLC; American Cementing, LLC; McNellies Group LLC; Mark Young Construction, LLC; APE-III (JAC) Inc.; Cypress Environmental Partners, LLC; and Petroplex Acidixing, Inc. From 1996 to 1999, Mr. Mitchell was a corporate attorney at Gibson, Dunn & Crutcher LLP. Mr. Mitchell holds a BBA in Marketing from Baylor University and a JD from University of San Diego School of Law.

Committee Positions
  • Compensation & Leadership Development Committee

MARK L. NOETZEL

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Mark L. Noetzel has served on our Board of Directors since December 2009. Mr. Noetzel has worked as a consultant to a number of public and private companies since May 2009. From July 2019 to May 2021, he was a Managing Director of Akoya Capital Partners, LLC, working in the specialty chemicals segment. From June 2007 to May 2009, Mr. Noetzel was President and Chief Executive Officer of Cilion, Inc., a biofuels company. Prior to joining Cilion in 2007, he had served in several senior positions at BP plc, including Group Vice President, Global Retail, from 2003 until 2007, Group Vice President, B2B Fuels and New Markets, during 2001 and 2002 and Group Vice President, Chemicals, from 1997 until 2001. Prior to those senior management roles with BP plc, Mr. Noetzel served in other management and non-management roles with Amoco Corporation from 1981 until BP acquired Amoco in 1998. Mr. Noetzel served on the board of directors of Axiall Corporation from September 2009 until Axiall was acquired by Westlake Chemical Corporation in August 2016. Mr. Noetzel served as Chairperson of Axiall from January 2010 to March 2016. Mr. Noetzel also previously served on the board of Siluria Technologies Inc., a privately owned technology company, until May 2019 and on the board of Dixie Chemical Company Inc., also privately owned, from September 2017 to November 2018. Mr. Noetzel holds a BA in Political Science from Yale University and an MBA from the Wharton School at University of Pennsylvania.

Committee Positions
  • Audit Committee
  • Chair of the Compensation & Leadership Development Committee
  • Nominating, Governance & Sustainability Committee

WILLIAM P. NOGLOWS

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William P. Noglows has served on our Board of Directors since our initial public offering in June 2014 and as chairperson of our Board since February 2019, and previously served on our Board of Directors from January 2011 to April 2013. Mr. Noglows served as Chairperson of the Board of CMC Materials, Inc., formerly known as Cabot Microelectronics Corporation, from November 2003 to August 2022 and as President and Chief Executive Officer from November 2003 until December 2014. Mr. Noglows currently serves on the boards of Littelfuse, Inc. and NuMat Technologies, Inc. From 1984 through 2003, Mr. Noglows served in various management positions at Cabot Corporation, culminating in serving as an executive vice president and general manager. Mr. Noglows had previously served as a director of Cabot Microelectronics from December 1999 until April 2002. Mr. Noglows holds a BS in Chemical Engineering from Georgia Institute of Technology.

Committee Positions
  • Compensation & Leadership Development Committee
  • Nominating, Governance & Sustainability Committee

JAMES E. SWEETNAM

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James Sweetnam has served on our Board of Directors since August 2022. Mr. Sweetnam served as President and CEO, and a member of the board, of Dana Corporation, a Fortune 500 world leader in the design and manufacture of driveline components for light, medium and heavy-duty vehicle manufacturers in the automotive, commercial vehicle and off-highway markets. Previously, he served in various roles of increasing responsibility, including as CEO of Truck Group, at Eaton Corporation, a global, diversified power management company, after serving in a variety of other roles at Eaton Corporation. Prior to joining Eaton, Mr. Sweetnam spent 10 years at Cummins Inc., a diesel and natural gas engine designer, manufacturer, and distributor, where he served as VP, Cummins Engine Company and Group Managing Director of Holset Engineering Co. Ltd., a Cummins subsidiary and manufacturer of turbochargers, headquartered in England. Prior to that, he served as President of Cummins Electronics Company. Mr. Sweetnam has also held management positions with Canadian Liquid Air and engineering positions with Air Products and Chemicals in Allentown, Pennsylvania and São Paulo, Brazil. He presently serves on the board of directors of Republic Airways Holdings, Inc., an airline holding corporation, on which he is a member of its audit and finance committee and its nominating and governance committee. He previously served on the board of directors of SunCoke Energy, Inc., including as chair of its nominating and governance committee and chair of its compensation committee. Mr. Sweetnam received his BS in Applied Science and Engineering from the United States Military Academy, West Point, and his MBA from Harvard Business School.

Committee Positions
  • Audit Committee
  • Compensation & Leadership Development Committee

DONALD R. YOUNG

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Donald R. Young has been our President, Chief Executive Officer and a member of our Board of Directors since November 2001. Prior to joining us, Mr. Young worked in the United States and abroad in a broad range of senior operating roles for Cabot Corporation, a leading global specialty chemical company. Prior to Cabot Corporation, Mr. Young worked in the investment business at Fidelity Management & Research. Mr. Young holds a BA from Harvard College and an MBA from Harvard Business School.