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Jaehyun Lee is currently a Data Scientist at Samsung Card since March 2020. Prior to this role, Lee worked at KAIST from September 2014 to February 2020, where Jaehyun obtained their PhD in Bio & Brain Engineering with a focus on text-mining. Lee also holds a Master of Engineering in Bio and Brain Engineering with a specialization in EEG from KAIST, and a Bachelor of Engineering in Bio-mechanical engineering from 성균관대학교.