Board of Directors

Todd J. Teske was named Chair of the Board of Directors in March 2022. He has served as a director of our company since 2011 and as Lead Director since May 2015.

From 2010 to 2020, Mr. Teske served as the Chairman, President, and Chief Executive Officer of Briggs & Stratton Corporation, a world leader in gasoline engines for outdoor power equipment, portable generators, lawn and garden-powered equipment, and related accessories. Before becoming CEO of Briggs & Stratton in January 2010, he served as its President and Chief Operating Officer, President of its power products business, head of corporate development, and Controller.

Committees: Audit, Executive (chair)

Alok Maskara joined Lennox as Chief Executive Officer and was also appointed to the board of directors in May 2022. Most recently he served for five years as CEO of Luxfer Holdings PLC, an international industrial company focused on advanced materials. Mr. Maskara also served for nearly a decade as president of several global business units at Pentair PLC, a leading provider of water treatment and sustainable applications. Previously he held various leadership positions at General Electric Corporation and McKinsey & Company. Mr. Maskara also serves on the board of Franklin Electric (Nasdaq: FELE) a company focused on global water and fluid solutions.

Mr. Maskara graduated with a bachelor of technology degree in chemical engineering from the Indian Institute of Technology in 1992 and a master’s degree in chemical engineering from the University of New Mexico in 1994. In 2000, he earned an MBA from the Kellogg School of Management at Northwestern University.

Committees: Executive

Sherry L. Buck was appointed to our board of directors in July 2019. She is a member of the Audit Committee and the Public Policy Committee. Ms. Buck is the Chief Financial Officer of W.L.Gore & Associates Inc., a private multinational manufacturing company specializing in products derived from fluoropolymers used in medical implants, fabric laminates, cable, venting, and other applications across diverse industries. Prior to joining W.L. Gore in January of 2021, Ms. Buck was the Senior Vice President and Chief Financial Officer of Waters Corporation, a New York Stock Exchange-listed specialty measurement company serving the life, materials, and food sciences industries. Before joining Waters in January 2017, Ms. Buck served as the Vice President and Chief Financial Officer of Libbey Inc., a global manufacturer and marketer of glass tableware products. Prior to this role, Ms. Buck spent nearly twenty years at Whirlpool Corporation, a leading global appliance manufacturer, in senior finance and operating leadership roles.

Ms. Buck holds a bachelor’s degree in accounting from the University of Missouri.

Committees: Audit (chair), Executive 

Tracy Embree was appointed to our board of directors in May 2025. Tracy brings extensive leadership experience in business strategy, operations, and technology development.  She is the former President of Otis Americas, a division of Otis Worldwide Corporation, the world’s leading elevator and escalator manufacturing, installation, and service company. In this role, she led the New Equipment and Service businesses throughout North and South America, driving growth through a focus on safety, quality, and an excellent customer experience.

Before joining Otis Americas, Tracy spent 23 years at Cummins Inc. in a variety of senior executive leadership roles, including Vice President and President of their Distribution Business, where she led growth in core business areas and developed key technologies that met customer needs in addition to global emissions standards.

Tracy served on the Louisiana-Pacific Corporation Board of Directors for 9 years until May 2025 and is a founding member of Extraordinary Women on Boards (EWOB), a network dedicated to amplifying the impact of women in boardrooms and beyond.

Tracy holds a bachelor’s degree in chemical engineering from Massachusetts Institute of Technology and an MBA from Harvard Business School.

John W. Norris III has served as a director of our Company since 2001. He is a member of the Public Policy Committee and a member of the Compensation and Human Resources Committee. Mr. Norris is a partner and co-founder of Maine Network Partners and is the founding Chairman of the Environmental Funders Network. From 2000 to 2005, he served as the Associate Director of Philanthropy for the Maine Chapter of The Nature Conservancy and from 2006 to 2007 as Program Officer for the Northern Forest Center. Mr. Norris was Co-Founder and President of Borealis, Inc., an outdoor products manufacturer, from 1988 to 2000 and served as an economic development Peace Corps Volunteer in Jamaica from 1985 to 1987. Before joining the Peace Corps, Mr. Norris completed a graduate school internship at Lennox Industries Inc., a subsidiary of the Company, in 1983.

Committees: Compensation and Human Resources, Board Governance

Jon Vander Ark was appointed to our board of directors in May 2024. He is the President and Chief Executive Officer of Republic Services Inc. (Republic), a publicly traded leader in environmental services. He is responsible for leading the Company’s strategy to generate profitable growth by partnering with customers to create a more sustainable world. Representing 42,000 employees, Jon is also charged with advancing Republic’s commitment to an inclusive and diverse workforce and culture. 

Since joining Republic in 2013, Jon has held a series of Executive Vice President (EVP) roles, including Chief Operating Officer; EVP, Operations; and EVP, Chief Marketing Officer.  Before joining Republic, Jon was a partner with McKinsey & Company, a global management consulting firm.

Jon also serves on the Board as a Director and Treasurer of Chances for Children, an organization that supports Haitian children and helps their communities move from survival toward stability and sustainability.

He earned a Bachelor of Arts degree from Calvin University and a Juris Doctorate from Harvard Law School.

Committees: Audit, Compensation and Human Resources

Karen Hughes Quintos has served as a director of our company since 2014. She is a member of the Board Governance Committee and the chair of the Public Policy Committee.

Ms. Quintos was Dell's (first ever) Chief Customer Officer (CCO), leading a global organization devoted to customer strategy, advocacy, and experiences. Under her leadership, the CCO organization was responsible for Dell Technologies' customer strategy and priorities, customer data platform and analytics, and high-touch CX engagement programs. Ms. Quintos was also responsible for Dell's social impact strategy and programs focused on sustainability, diversity & inclusion, and applying Dell's technology and innovations for good. In addition, she is a passionate advocate for women, including the advancement of women in the technology industry. She founded Dell's Women in Action, the Interfaith Employee Resource Groups, and Dell's Women Entrepreneur Network. Before serving as CCO at Dell, Karen served as senior vice president and Chief Marketing Officer, vice president of Public Sector Marketing and North America Commercial, and she also held executive roles in services, support, and supply chain management.

Prior to joining Dell in 2000, Ms. Quintos was vice president of Global Operations and Technology at Citigroup. She also spent 12 years with Merck in marketing, operations, and supply chain leadership positions.

Ms. Quintos earned a master's degree in marketing and international business from New York University and a bachelor of science in supply chain management from The Pennsylvania State University. She also serves on the boards of Cummins Inc., TGEN, and The National Center for Missing and Exploited Children. She is Vice Chair of Penn State's Smeal College of Business and is a recipient of its highest honor, the Distinguished Alumni Award. Ms. Quintos is on The Refuge advisory board, focused on nationally expanding this community and services to young women recovering from sex trafficking. She was listed among the most influential CMOs in the world by Forbes, named Mother of the Year by Working Mother magazine, and the recipient of the WITI Women Hall of Fame Awards 2021

Committees: Board Governance (chair), Executive

Sivasankaran “Soma” Somasundaram was appointed to our board of directors in March 2024. He is a member of the Board Governance Committee and the Compensation and Human Resources Committee. Soma is the President and Chief Executive Officer of ChampionX Corporation, a publicly traded global leader in chemistry solutions, artificial lift systems, and highly engineered equipment and technologies.  

During his tenure at Dover Corporation, prior to the spin-off creating ChampionX, Soma held a series of executive leadership roles. These included serving as the President and Chief Executive Officer, Energy Segment; the executive vice president of Dover Energy and Dover Fluid Management; and the president of Dover’s Fluid Solutions Platform, Gas Equipment Group, and RPA Process Technologies businesses.  

Before joining Dover, Soma served in various leadership roles at GL&V Inc. and Baker Hughes Inc. 

Soma served on the Board of Directors of Magellan Midstream Partners, an NYSE-listed partnership, from May 2022 until its merger with ONEOK, Inc. in September 2023.

Soma was named a 2022 Most Admired CEO by the Houston Business Journal, and the Energy Workforce & Technology Council recognized him as the 2022 recipient of its DEI Champion Award for his commitment and advocacy for diversity, equity, and inclusion in the energy services and technology industry. In 2023, he was named as a member of the National Petroleum Council, a federally chartered advisory committee whose members are selected and appointed by the U.S. Secretary of Energy. In 2024, Soma was honored with the GRIT Lifetime Achievement Award by ALLY Energy, which recognizes individuals who have made substantial contributions to the energy industry.

Soma has a bachelor’s degree in mechanical engineering from Anna University and a master’s degree in industrial engineering from the University of Oklahoma.

Committees: Board Governance, Audit

Shane D. Wall was appointed to our board of directors in July 2020. He is a member of the Compensation and Human Resources Committee and the Board Governance Committee. Mr. Wall started his career at Hewlett-Packard Company in 1986. He held various engineering and management roles until 1995, when he left to run PrintPaks, a spin-out of Hewlett-Packard Company. In 1998, PrintPaks was acquired by a joint venture backed by Intel Corporation. From 1998 to 2012, Mr. Wall held several senior technology and general management positions at Intel Corporation. In 2012, Mr. Wall rejoined Hewlett-Packard Company as Chief Technology Officer and Senior Vice President of Printing and Personal Systems. In 2015, following Hewlett-Packard's separation into HP Inc. and Hewlett-Packard Enterprise, Mr. Wall became Chief Technology Officer and Global Head of HP Labs of HP Inc. In January 2020, Mr. Wall retired from his executive position at HP Inc. but continues as a special advisor to the Chief Executive Officer. He also serves as a member of the U.S. President's Counsel of Advisors on Science and Technology.

Mr. Wall holds a bachelor of science degree in electrical and computer engineering from Oregon State University.

Committees: Compensation & Human Resources (chair), Executive