Leadership

Lie Shi

Lie Shi

President

Lie joined Celgard in 1991 through Hoechst Celanese Corporation (HCC), the former parent company, as a research scientist working on lithium polymer batteries and polymeric fiber development. He was named Technical Manager of the HCC Separation Division in 1997, which later became Celgard, LLC. In 2000, he was promoted to VP, Research & Development, where he used his battery separator expertise to lead Celgard’s pioneering R&D efforts for more than a decade and contributed to its emergence as a leading material supplier in the Lithium-ion battery industry. Lie assumed the role of VP & CTO, Separator Technology in 2014. He attended Beijing University in China and received his Bachelor of Science Degree in Physics from Kyoto University in Japan. Lie also holds a Master of Science Degree in Physics from the University of Michigan, Ann Arbor and a Master of Business Administration Degree from the University of North Carolina, Charlotte.

Jonathan Castellaw

Jonathan Castellaw

Global Director, Human Resources

Jonathan joined Celgard in 2018 as the Director of Human Resources. He has held business partner and leadership roles in Human Resources at United Technologies Corporation, Raytheon Company, Hyster-Yale Group and Thermo Fisher Scientific. Jonathan holds a Master of Industrial and Labor Relations from Cornell University and a Bachelor of Science in Business Management from Clemson University.

Alice Chung

Alice Chung

Global Director, Supply Chain

Alice joined Celgard end of 2018 as the Global Director of Sales and Operations Planning. She brings extensive experience in Sales and Operations Planning, Supply Chain, Process Improvement and ERP implementation from chemical manufacturing based companies such as General Electric Plastics and SABIC. Alice expanded her responsibilities in 2019 to include Customer Service, Logistics, Procurement and Materials Management, as the Global Director of Supply Chain. Alice received her BS in Accounting and Business Administration from the University of North Carolina at Asheville and MBA from the University of Tennessee in Knoxville. Alice is also a certified Six Sigma Black Belt.

Noah Ka

Noah Ka

Global Director, Strategic Marketing

Noah joined Celgard in 2020 as the Director of Strategic Marketing. Noah brings over 18 years of experience from Samsung SDI where most recently he served and was responsible for sales and marketing for growing business in various battery powered vehicles and systems. He progressed through roles of increasing responsibility in sales and marketing, audit, operations and human resources. Noah holds a Master of Business Administration Degree (MBA) from Emory University Goizueta Business School in Atlanta, Georgia, and a Bachelor of Science Degree in Nuclear Engineering from Hanyang University in Seoul, South Korea.

Andrew Kankula

Andrew Kankula

Vice President, Global Sales

Andrew joined Celgard in 2019 as the Vice President of Global Sales. As an accomplished executive with over 25 years of experience leading businesses and sales organizations in the automotive, specialty chemicals and renewable energy industries, Andrew drives growth and all global commercial activities for Celgard. Most recently, Andrew served as President for the power generation products business of Power Systems West and has also served in various executive sales and operational roles for diverse automotive companies like Umicore, Volvo and Freudenberg-NOK. Andy holds a Master of Business Administration Degree (MBA) in Finance from the University of Detroit and a Bachelor of Science Degree in Psychology and Labor Relations from Michigan State University.

Dave Lowe

Dave Lowe

Vice President, Manufacturing & Operational Excellence

Dave transferred from Celgard’s sister company Daramic, also a Polypore/Asahi-Kasei company, in 2019 where he was Vice President, Manufacturing and Operational Excellence overseeing Daramic’s global manufacturing enterprise and driving operational excellence at nine lead-acid battery separator production facilities around the world. He has an extensive international background in manufacturing thermoplastic and thermoset products, optical films, and semiconductor packaging at companies such as AlliedSignal, Motorola and Honeywell as well as broad experience in business excellence. Dave received his Bachelors of Chemical Engineering from the University of Wyoming.

Dr. Stefan Reinartz

Dr. Stefan Reinartz

Global Director, Research and Development

Stefan joined Celgard in 2015 as Director of Product Management and currently leads the Global Technology and Product Development groups. He has held technical as well as leadership roles in R&D and Product Management at DuPont and Axalta Coating Systems. Dr. Reinartz holds a Diploma in Chemistry from Heinrich-Heine-Universität Düsseldorf, Germany, a Ph.D. in Chemistry from the University of North Carolina, Chapel Hill, and a Master of Business Administration Degree from Villanova University.

Adam Thompson

Adam Thompson

Global Director, Finance and Accounting

Adam joined Celgard in 2017 and currently leads the company’s global finance function. Prior to this appointment, Adam served as Financial Reporting Manager and then Corporate Controller for Celgard’s parent company Polypore International, LP. In those roles, he first led the company’s corporate accounting, global consolidation and external reporting to the SEC, and additionally the acquisition and transition accounting and reporting integration following Asahi Kasei’s 2015 acquisition of Polypore. Adam joined Polypore in 2014 after 9 years in public accounting with PricewaterhouseCoopers’ offices in Charlotte, NC, Lausanne, Switzerland, and Chicago, IL where he served large, multi-national manufacturing and consumer products audit clients. He holds a Master of Accounting degree from Kenan-Flagler Business School and a Bachelor of Science in Business Administration degree, both at the University of North Carolina at Chapel Hill.

Dr. John Zhang

Dr. John Zhang

Chief Technology Officer

John is recognized as the leading authority on lithium-ion battery safety and separators. He is a leader in establishing lithium-ion battery industry standards (P1625, P1725 and CTIA) through the Institute of Electrical and Electronics Engineers (IEEE). He has chaired and/or organized more than 60 international conferences and delivered more than 60 invited keynote or plenary speeches at various international conferences. John has published more than 110 patents, papers and books, including the first ceramic coating separator patent (US 6, 432, 586) and some of the most cited papers (Chem. Reviews, 2004 and Li-ion safety papers 2006-now). Dr. Zhang received his Bachelor of Science Degree in Mechanical Engineering from Shanghai University. He holds a Master of Science Degree in Electrochemistry from Shandong University, and a Ph.D. in Material Chemistry from the University of California, Santa Barbara. He has also completed additional Post Doctorate studies in Nuclear Interactions.

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