Leadership

Lie Shi

Lie Shi

Chief Operating Officer

Lie Shi 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.

Jason Brasile

Jason Brasile

VP, Finance

Jason Brasile returned to Celgard in early 2016 as Director of Finance after serving as Director of Internal Audit for Polypore International, Celgard’s parent company. Past roles include Controller for Celgard’s U.S. Operations as well as Polypore’s Reporting Manager, where he was responsible for direct filings to the Securities and Exchange Commission. Prior to joining the organization in 2009, Jason was Lead Audit Manager for several multi-national clients at PricewaterhouseCoopers. He holds a Bachelor of Science Degree in Accounting as well as a Master of Accounting from Clemson University and is a Certified Public Accountant.

Arthur Zhao

Arthur Zhao

VP, Sales and Marketing

Arthur Zhao began his career with Celgard in 2004 as the Plant Manager responsible for the start-up of the Celgard Shanghai Finishing Facility. He later moved to the USA where he was responsible for managing the complete manufacturing process as Plant Manager of the Charlotte, North Carolina plant. In the last few years, Arthur broadened his responsibilities when he joined Celgard’s sister company, Daramic and served as the P&L leader for Northeast Asia. Most recently he was the Vice President/Managing Director of the Asia-Pacific region. His broad commercial and operations background, including his battery separator expertise, has helped him be instrumental in leading teams to improved operational performance and profitability. Arthur holds a Bachelor of Science Degree in Mechanical Engineering from Dalian University of Technology in China.

John Harn

John Harn

VP, Operations

John joined the company in 2008 as Operations Managing Director in Celgard's Korean facility. He later held various positions at the USA manufacturing facility; most notably as the leader of the Process Innovation and Quality Improvement TFT teams. His recent assignment as President of Celgard Korea brought significant improvement of productivity and quality for thin film development and commercialization. He brings a wealth of operations experience and battery separator expertise to his current role as Vice President of Operations. John possesses eight international patents including one for a unique optical measurement system which helps measure film bagginess. John holds a Bachelor of Engineering Degree from Hanyang University in Korea and a Master of Business Administration Degree from Kyungpook National University in Korea.

Stefan Reinartz

Stefan Reinartz

Director, Research and Development

Dr. Reinartz 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.

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