Dan is a PhD candidate working in the Web Information Systems group, headed by Geert-Jan Houben. He is a researcher funded by the Centre for Education and Learning (CEL)--a collaborative partnership between TU Delft, Leiden University, and Erasmus University Rotterdam aimed at understanding and improving the state of online learning and instruction.

Dan's research uses and advances user modeling techniques in the context of open online education at scale in developing a learner modeling-focused approach to learning analytics. He develops methods to gain a deeper understanding about how the design of online learning environments affects learner success and engagement, often by implementing and testing instructional interventions at scale.

Daniel John Davis