Dr. Wenjuan Mattis was appointed Chief Technology Officer of Microvast on January 1, 2018. She joined the company in 2013 and, as CTO, leads the development of battery materials, cells, modules, and packs from research and development through production. From January 2015 to December 2017, Dr. Mattis served as Vice President of Technology, and from October 2013 to December 2014, she was Chief Scientist. Before joining Microvast, she worked at Dow Chemical Company in Midland, Michigan, as a Senior Research Engineer from March 2010 to October 2013, where she led and contributed to battery projects focused on developing materials and cells for electrified vehicles and consumer electronics. Dr. Mattis was elected in May 2016 as the youngest member of the Board of Directors of the International Meeting on Lithium Batteries Association. Since June 2013, she has also served as Vice President of the International Automotive Lithium Battery Association. She holds a Bachelor of Science degree in Aerospace Engineering from Fudan University in Shanghai and a Ph.D. in Materials Science and Engineering from The Pennsylvania State University. Dr. Mattis has worked on lithium-ion battery technology development for more than 18 years. She has authored 22 papers and holds 120 patents.

Dr. Mattis is a U.S. citizen and resides in the U.S.