索特拉健康公司 SHC

Michael B. Petras, Jr. has served as our CEO since June 2016 and as the Chairman of our Board since October 2020. Mr. Petras was also a member of Topco Parent's Board of Managers from June 2016 to November 2020 and the Chairman of Topco Parent's Board of Managers from January 2019 to November 2020. Prior to joining the Company, Mr. Petras served as Chief Executive Officer of Post-Acute Solutions at Cardinal Health, Inc. (Cardinal Health), a multinational healthcare services company, from 2015 to 2016 and as Chief Executive Officer of Cardinal Health at-Home from 2013 to 2015. He was also the Chief Executive Officer for AssuraMed Holdings, Inc., a medical products supplier, from 2011 to 2013, which was sold to Cardinal Health. Mr. Petras was also President and Chief Executive Officer of GE Lighting, a business unit of General Electric (GE), a multinational conglomerate, from 2008 to 2011. During his more than 20-year career at GE, he held several management positions across multiple disciplines. Mr. Petras was named to the board of directors of the Cleveland Clinic in 2016 and was elected Vice Chair of the board of directors in 2020. He also serves on the board of directors of John Carroll University. Mr. Petras holds a B.S.B.A. in finance from John Carroll University and an M.B.A. in marketing from Case Western Reserve University. Michael B. Petras, Jr. will transition from his role as CEO of the Company and Chairman of the Board and, to serve as Executive Chairman of the Board, effective on May 26, 2026.

Jonathan (Jon) M. Lyons has served as our Senior Vice President and Chief Financial Officer since June 2023. Prior to joining the Company, Mr. Lyons served as vice president, corporate FP&A of Owens Corning, a global leader specializing in building and construction materials, from June 2021 to June 2023 and vice president, finance of the insulation segment from October 2018 to May 2021. Mr. Lyons joined Owens Corning in 2010 as assistant treasurer and also served as treasurer from 2011 to 2014. Mr. Lyons also spent eight years with Cardinal Health, Inc., holding several senior leadership roles in treasury, FP&A, investor relations and tax after beginning his career in public accounting. Mr. Lyons holds an M.B.A. from The Ohio State University and a B.S. in Accounting from Kent State University.

Michael (Mike) P. Rutz has served as President of Sterigenics since October 2020. Prior to that, Mr. Rutz was Chief Operating Officer of Sterigenics from May 2020 to October 2020. Prior to joining the Company, he was senior vice president and general manager of the Semiconductor Business Unit at Littelfuse, Inc. (Littelfuse), a multinational electronic manufacturing company, where he was responsible for leading sales, marketing, product development, operations and business development for power and protection-based semiconductor products. Mr. Rutz joined Littelfuse in 2014 as senior vice president of global operations, overseeing the company's manufacturing, procurement, planning, quality, and operational excellence initiatives. Prior to joining Littelfuse, Mr. Rutz served as senior vice president global supply chain at WMS Gaming, a Chicago-based manufacturer of equipment and software for the gaming industry. Mr. Rutz also spent 16 years with Motorola Solutions, Inc., a telecommunications company, in the paging, cellular and networking groups, most recently as vice president, networks supply chain. Mr. Rutz holds a Bachelor's degree in Mechanical Engineering from the University of Michigan and Master's degrees in Mechanical Engineering and Management from the Massachusetts Institute of Technology.

Vincent K. Petrella has served as a member of our Board since November 2020 and was elected Lead Independent Director in January 2025. Mr. Petrella served as the Executive Vice President, Chief Financial Officer and Treasurer at Lincoln Electric Holdings, Inc. (Lincoln Electric), a welding, cutting and brazing products manufacturer, from January 2004 to April 2020. Prior to that, he served as Vice President, Corporate Controller from 1997 to 2003 and Internal Audit Manager from 1995 to 1997. Before Lincoln Electric, Mr. Petrella was an auditor at PricewaterhouseCoopers. Mr. Petrella serves on the board of directors of Applied Industrial Technologies, Inc. (NYSE: AIT) and The Gorman-Rupp Company (NYSE: GRC). Mr. Petrella holds a B.A. in business administration (accounting) from Baldwin Wallace University and is a Certified Public Accountant in Ohio (inactive).

Christopher A. Simon has served as a member of our Board since August 2024. Mr. Simon has served as the President and Chief Executive Officer of Haemonetics Corporation (NYSE: HAE), a global medical technology company, since May 2016. Prior to that, Mr. Simon served as a Senior Partner of McKinsey & Company, a strategy and management consulting firm, where he led the Global Medical Products Practice. Prior to his career at McKinsey & Company, Mr. Simon served in commercial roles with Baxter International Inc. (formerly, Baxter Healthcare Corporation), a healthcare company, and as a U.S. Army Infantry Officer in Korea and with the 1st Ranger Battalion. Mr. Simon serves on the board of directors of Haemonetics Corporation and AdvaMed, a private, global trade association of companies that develop, produce, manufacture and market medical technologies. Mr. Simon holds a B.S. in economics from the Wharton School at the University of Pennsylvania and an M.B.A. from Harvard Business School.

Sean L. Cunningham has served as a member of our Board since 2015 and was a member of Topco Parent's Board of Managers from 2015 to November 2020. Mr. Cunningham joined GTCR, a private equity investment firm, in 2001 and is currently a Managing Director of the firm. Prior to joining GTCR, he worked as a consultant with The Boston Consulting Group. Mr. Cunningham serves on the board of directors of Maravai LifeSciences (NASDAQ: MRVI) and several private companies. He holds A.B. and B.E. degrees in engineering sciences from Dartmouth College and an M.B.A. from the Wharton School at the University of Pennsylvania.

Ann R. Klee has served as a member of our Board since October 2020 and was a member of Topco Parent's Board of Managers from May 2020 to November 2020. Ms. Klee served as the Executive Vice President, Business Development & External Affairs at Suffolk Construction, a construction contracting company, from February 2020 until March 2021. Prior to that, she served as Vice President, Environment Health & Safety at GE from February 2008 to September 2019, and as Vice President, Boston Development & Operations at GE, from January 2016 to September 2019. At GE, she also served as President of the GE Foundation from August 2015 to September 2019, where she oversaw the company's $140 million annual charitable contributions. Ms. Klee was a partner at Crowell & Moring LLP in Washington, D.C. from 2006 to 2007, where she served as Co-Chair of the firm's Environment and Natural Resources Group. Prior to that, she served as General Counsel to the U.S. Environmental Protection Agency, as Counselor and Special Assistant to the Secretary of the U.S. Department of the Interior and as Chief Counsel to the U.S. Senate's Environment and Public Works Committee. Ms. Klee serves on the board of directors of Wabtec Corporation (NYSE: WAB) and is the chair of its Compensation and Talent Management Committee. She holds a B.A., with high honors, in classics from Swarthmore College and a J.D. from the University of Pennsylvania Carey Law School.

Karen A. Flynn has served as a member of our Board since November 2023. Ms. Flynn served as President, Biomodalities at Catalent Pharma Solutions (Catalent), a pharmaceutical contract development and manufacturing services company, from April 2023 to October 2023 and President, Biologics and Chief Commercial Officer at Catalent from January 2020 to September 2022. Before Catalent, Ms. Flynn was Senior Vice President and Chief Commercial Officer for West Pharmaceutical Services, Inc. from 2016 to 2019, and served as its President of Pharmaceutical Packaging Systems from 2014 to 2016. Ms. Flynn serves on the board of directors of Quanterix Corporation (NASDAQ: QTRRX), Stevanato Group (NYSE: STVN), GermFree Laboratories and Ascend Advanced Therapies. Previously, she was a member of the board of directors of Recro Pharma, Inc. (now known as Societal CDMO, Inc.) from September 2015 to January 2020. She also serves on the board of trustees for The Franklin Institute and with the University of Notre Dame's Hesburgh Women of Impact mentorship program. Ms. Flynn received her B.S. in Pre-Professional Studies from the University of Notre Dame. She holds a Master of Science in Business Administration from Boston University and a Master of Science in Engineering from the University of Pennsylvania.

Ruoxi Chen has served as a member of our Board since November 2020. Mr. Chen is a managing partner at Warburg Pincus, a private equity firm investment firm, and joined the firm in 2011. Prior to joining Warburg Pincus, Mr. Chen worked at the Carlyle Group in the U.S. Buyout Fund and in investment banking at Citigroup Inc. Mr. Chen is currently a board member of several private healthcare companies. He received a B.S., magna cum laude, in economics and computer science from Duke University and an M.B.A. from Harvard Business School.

On May 1, 2026, the Board of Directors, at the recommendation of the Nominating and Corporate Governance Committee, appointed Alton Shader to serve as Chief Executive Officer of the Company and a Class II director of the Board, effective as of May 26, 2026. Mr. Shader, age 52, has served as Chief Executive Officer and a member of the board of directors of Viant Medical, LLC, a medical device manufacturing services company, since 2019. Prior to joining Viant, Mr. Shader held a number of senior leadership roles at Hill-Rom, including as President of Hill-Rom's global Front Line Care business, which included Welch Allyn. Mr. Shader previously held several senior positions at Baxter International Inc. in Europe and the United States, including as General Manager of its North America Renal business. Mr. Shader has more than 20 years of experience in global medical device leadership roles. Mr. Shader has a bachelor's degree in economics and psychology from Claremont McKenna College and an M.B.A. from Stanford University.

On March 15, 2026, the Board appointed Kenneth D. Krause as a Class I director of the Board, effective March 16, 2026. Mr. Krause has served as Executive Vice President and Chief Financial Officer of Rollins, Inc. (Rollins), a global consumer and commercial pest control services company, since September 2022. In 2024, his role expanded to include oversight of Rollins' International Brands. During his tenure at Rollins, he has led modernization initiatives that have driven improvements in growth, profitability, capital allocation and access to capital, enabling strong shareholder returns. Prior to joining Rollins, Mr. Krause served as Senior Vice President, Chief Financial Officer, Chief Strategy Officer and Treasurer of MSA Safety Incorporated (MSA Safety) from December 2015 to September 2022, after holding positions of increasing responsibility in the finance function at MSA Safety from 2006 to 2015. At MSA Safety, he led value creation initiatives that drove transformational change in the growth and profitability profile of the company. Earlier in his career, Mr. Krause served as a Senior Manager in the audit practice of KPMG LLP. He holds a Bachelor of Science in Business Administration in Accounting from Slippery Rock University and an M.B.A. from the University of Pittsburgh Katz Graduate School of Business and is a Certified Public Accountant (inactive) in Pennsylvania. Mr. Krause will serve as a member of the Audit Committee and the Litigation Committee of the Board.

Erika Ostrowski, who has served as the Company's Vice President, Deputy General Counsel and Corporate Secretary for the last two years, will be promoted to Senior Vice President and General Counsel effective April 1, 2026.

On February 4, 2026, the Board of Directors (the Board) of Sotera Health Company (the Company) appointed Richard G. Kyle as a Class III director of the Board, effective immediately. Most recently, Mr. Kyle served as President and Chief Executive Officer of The Timken Company (Timken), a global manufacturer of bearings, transmissions, and industrial motion products, from May 2014 to September 2024. During his tenure as Chief Executive Officer, Mr. Kyle led Timken's financial transformation and strategic diversification, including expanding its industrial motion portfolio, entering new product lines, and diversifying end markets. Prior to serving as Chief Executive Officer, Mr. Kyle held various senior leadership roles at Timken, including Chief Operating Officer and President of multiple business segments. Earlier in his career, Mr. Kyle held leadership positions at Hubbell Incorporated and Cooper Industries. Mr. Kyle continues to serve on Timken's Board of Directors. He has also served on the Board of Directors of Sonoco Products Company since 2015, where he is a member of the Audit Committee and the Corporate Governance and Nominating Committee and serves as Chair of the Executive Compensation Committee. He holds a B.S. in Mechanical Engineering from Purdue University and an M.B.A. from Northwestern University.