Bio


James is an adjunct lecturer in the Department of Statistics for the 2024 Autumn Quarter. He serves as the founder of HJJB, LLC, which offers specialized data science guidance and solutions to startups, fortune 500 companies, and academia across the U.S. He holds a Ph.D. in Informatics from the University of Illinois Urbana-Champaign (UIUC). Previously, he was a Visiting Assistant Professor in Statistics at UIUC where his research focused on latent variable estimation under restricted latent class models and computational statistics. For his work, he was awarded the 2022 Psychometric Society Dissertation Prize and was a co-recipient of the 2021 Bradley Hanson Award for Contributions to Educational Measurement. During his graduate studies, he contributed significantly to Department of Statistics’ education initiatives in data science and earned accolades, including the Department of Statistics Doctoral Student Teaching Award in 2019. His multifaceted career reflects a commitment to advancing research, education, and practical applications in data science.

Academic Appointments


Professional Education


  • PhD, University of Illinois Urbana-Champaign, Informatics
  • MSc, University of Illinois Urbana-Champaign, Statistics
  • BSc, University of Illinois Urbana-Champaign, Statistics
  • BSc, University of Illinois Urbana-Champaign, Mathematics

2024-25 Courses