Peiyi Lin is a Research Associate at the Institute for Learning Technologies at Teachers College, Columbia University. Her research projects focus on K-12 online learning, teacher professional development in STEM areas, the role of school leadership, the effect of instructional technology on student learning, data mining, and data visualization. Her statistical expertise includes latent variable analysis, multilevel analysis, and longitudinal data analysis. She received an Ed.D. in Instructional Technology and Media from Teachers College, Columbia University, and an M.A. in Educational Leadership from Eastern Michigan University. Prior to coming to the United States, she taught high school English for a year in Taipei, Taiwan, where she completed an M.A. in English Language and Literature from National Taiwan Normal University, and a B.A. in English Language and Literature from National Chengchi University.