I am the current Chair of ACM SIGWEB, a Special Interest Group of the ACM Association for Computing Machinery.I am also the past President of User Modeling Inc., a professional organization of User Modeling researchers, the organizer of UMAP conference series.
I am a member of the following professional organizations:
Senior Member of ACM and member of ACM SIGs SIGWEB, SIGCSE, SIGCHI
Senior Member of IEEE, member of IEEE Computer Society, and IEEE Educational Society
Member of The International Artificial Intelligence in Education (AI-ED) Society (and proud to be a member of its inaugural steering committee)
Member of ASIST

Research Interests
Adaptive Web-based Systems
Personalized E-Learning
Adaptive Hypermedia
Social Computing and Social Web
Intelligent Tutoring Systems and Shells
Student and User Modelling
Adaptive Interfaces