Youngjung (Ryan) Choi is a Principal Process Integration Engineer at Northrop Grumman since July 2025, previously serving as a Global Customer Engineer at SEMES from January 2023 to July 2025, where significant contributions included resolving complex issues in advanced etching equipment and optimizing processes for production scalability. Youngjung also held various engineering and support roles at SADA and iMarketAmerica, focusing on cloud solutions and procurement analysis for major semiconductor firms. Prior military service with the US Army included coordinating operations and managing supply chain logistics. Youngjung holds a Master's degree in Computer and Information Technology from the University of Pennsylvania and possesses a solid educational foundation in Chemistry, Data Analysis, and Chemical Engineering.
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