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Seunghun Ok
MEd, George Mason University

Online Administrator, Region 4 Training and Technical Assistance Center
Helen A. Kellar Institute for Human disAbilities

Contact Information

Send email to Seunghun Ok

Phone: (703) 993-4496
Fax: (703) 993-4497
Email: sok (

George Mason University
Science and Technology Campus
Katherine G. Johnson Hall , Ste 213
10890 George Mason Circle
MS 7A1
Manassas, VA 20110


Seunghun Ok is the state T/TAC Online Manager. Seunghun manages T/TAC Online, an initiative from the Virginia Department of Education serving as a statewide web-based resource for professionals helping students with disabilities. He is also a doctoral student at George Mason University (GMU). The focus of his studies is Assistive Technology.

Prior to this position, as a graduate research assistant, he participated as developer in several grant projects including Literacy AccessOnline (LAO) and National Assistive Technology Research Institute (NATRI). He also implemented the online library of GMU T/TAC. Previously he worked as special educator for adolescents and adults with mental retardation in community rehabilitation centers in Korea and also as a researcher at a research institute in Korea. Seunghun completed his undergraduate work at Seoul National University with a BS in computer science and received an MS in Special Education from Illinois State University and an M Ed. in Assistive/Special Education Technology from George Mason University.

Recent Publications
  • Schaff, J., Ok, S., Bannan-Ritland, B., & Behrmann, M. (2005 ). Electronic Performance Support Systems , The Handbook for Special Education Technology