Best Paper Award Nomination at EDM 2024 for work on LLMs in classroom discussion assessment.
Pitt Cyber Accelerator Grant (March 2024) for 'Building Socially Responsible Machine Writing Tutors'.
Associate Editor of the International Journal of Artificial Intelligence in Education; Editorial Board member of the Journal of Artificial Intelligence.
Joined Duolingo English Test Technical Advisory Board (December 2023).
Research Experience
Associate Dean for Mentoring Development and Professor of Computer Science at the School of Computing and Information, University of Pittsburgh.
Senior Scientist at the Learning Research and Development Center (LRDC), University of Pittsburgh.
Faculty member of the Intelligent Systems Program (ISP) at the University of Pittsburgh.
Member of the Artificial Intelligence Principles Research Department at AT&T Labs - Research (formerly Bell Laboratories), 1985–2001.
Assistant Professor of Computer Science at Columbia University, 1990–1992.