Jaeyong Lee is an educational researcher interested in designing educational tools that leverage data science to help students and teachers solve their own problem.Especially, he focuses on developing automated assessment tools that utilizes computer vision to identify learners' status and provide appropriate feedbacks.He has been working on designing and developing intelligent hand-drawing assessment, course recommender system, and interactive data visualization.He has also worked as an instructional designer, a learning content designer, and a chemistry teacher at high schools in Korea.His long-term goal is to integrate those technologies with pedagogical knowledge to design learning platforms that lets users easily interpret and make use of data.He is currently a Master's student in Educational Technology at Seoul National University.