e received his Ph.D. in instructional design and technology from The Ohio State University in1991. He was a post-doctoral fellow at the Highly Interactive Computing Environments Lab at the University of Michigan (1991-1993) and was an Assistant Professor in Instructional System Technology at Indiana University on the Indianapolis campus (1993-1998) before joining the Learning and Performance Support Laboratory and the Instructional Technology Department at UGA (1998).

His research interests include emerging technologies in participatory learning environments, postmodern theories of education, constructionist and apprenticeship learning, and instructional design with emergent technologies.

His projects include the Digital Weather Station where children use state-of-the-art 3D technologies to visualize real-time weather data and the Virtual Solar System Project where learners construct virtual solar system models within an introductory astronomy course.