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Gerry Stahl

Professor Emeritus

Dr. Stahl taught human-computer interaction (HCI), computer-supported collaborative learning (CSCL), computer-supported cooperative work (CSCW) and social informatics (SI) at Drexel from 2002-2014. He is trained in computer science, artificial intelligence, social philosophy, cognitive science and learning science, with a research approach in theory building, system development and empirical studies of software usage. A world-class researcher in CSCL, he has developed software systems and prototypes to explore support for collaborative learning and to develop the theory of CSCL. In addition to organizing international conferences and authoring over 300 professional publications and presentations, he published three major books based on his research in the Virtual Math Teams Project (VMT). He directed the VMT research project from 2003-2014 in collaboration with the Math Forum and Rutgers-Newark, with about $6 million in NSF funding. He is the founding editor-in-chief of the International Journal of Computer-Supported Collaborative Learning (IJCSCL).


  • Postdoctoral Research Fellow, University of Colorado
  • PhD in Computer Science, University of Colorado
  • MSc in Computer Science, University of Colorado
  • PhD in Philosophy, Northwestern University
  • MA in Philosophy, Northwestern University
  • Graduate study, University of Frankfurt
  • Graduate study, University of Heidelberg
  • BS in Humanities & Science, Massachusetts Institute of Technology (MIT)

Research/Teaching Interests

Human-computer interaction, computer-supported cooperative work, computer-supported collaborative learning, theory of collaboration

Select Publications

  • Stahl, G. (2013). Translating Euclid: Designing a human-centered mathematics: Morgan & Claypool Publishers. Web:
  • Stahl, G. (2009). Studying virtual math teams. New York, NY: Springer. Web:
  • Stahl, G. (2006). Group cognition: Computer support for building collaborative knowledge. Cambridge, MA: MIT Press. Web:
  • Stahl, G. (Editor-in-Chief). (2006-2015). International journal of computer-supported collaborative learning. New York, NY: Springer. Quarterly issues.
  • Stahl, G. (Ed.). (2002). Computer support for collaborative learning: Foundations for a CSCL community. Proceedings of CSCL 2002. Boulder, Colorado, USA.
  • Spada, H., Stahl, G., Miyake, N., & Law, N. (Eds.). (2011). Connecting computer-supported collaborative learning to policy and practice: Proceedings of CSCL 2011. Hong Kong, China. Web: [pdf].

Grant Awards

  • “Computer-Supported Math Discourse Among Teachers and Students.” Award DRL-1118773 from the National Science Foundation Discovery Research K-12 (DR K-12) Program for $1,800,000 over 5 years on September 1, 2011. PI: Gerry Stahl; co-PIs: Stephen Weimar, Jason Silverman, Michael Khoo, Sean Goggins; collaborative proposal with Rutgers, PI: Arthur Powell.
  • “Theories and Models of Group Cognition.” Award from the Office of Naval Research, Collaboration and Knowledge Interoperability (CKI) Program for $675,000 over 3 years starting November 12, 2009. PI: Gerry Stahl; co-PIs: Sean Goggins, Stephen Weimar and Carolyn Rosé (CMU).
  • “Dynamic Support for Virtual Math Teams.” Award DRL-0835383. Funded by the National Science Foundation Advanced Learning Technologies (ALT) Program for $306,355 over 3 years on August 1, 2009. PI: Gerry Stahl; co-PI: Stephen Weimar; Collaborative proposal with Carolyn Rosé (CMU).
  • "Engaged Learning in Online Communities." Award SBE-0518477. Funded by the National Science Foundation Science of Learning Center Catalyst Program for $180,762 over 3 years on October 1, 2005. PI: Gerry Stahl; co-PIs: Sharon J Derry (Wisconsin); K. Ann Renninger (Swarthmore); Mary R Marlino (UCAR); Daniel D Suthers (Hawaii).
  • "IERI: Catalyzing & Nurturing Online Workgroups to Power Virtual Learning Communities." Award IERI 0325447. Funded by the National Science Foundation IERI Program for $2,300,00 over 5 years on September 1, 2003. PI: Gerry Stahl; co-PIs: Stephen Weimar and Wesley Shumar.
  • "Collaboration Services for the Math Forum Digital Library." Award DUE 0333493. Funded by the National Science Foundation NSDL Services Program for $450,000 over 3 years on August 15, 2003. PI: Gerry Stahl; co-PIs: Stephen Weimar and Wesley Shumar. 

Awards & Recognition

  • Best Paper at ICCE 2005: Stahl, G. (2005). Sustaining online collaborative problem solving with math proposals. Paper presented at the International Conference on Computers and Education (ICCE 2005). Singapore, Singapore. Proceedings pp. 436-443. Web: &
  • Million Dollar Club at Drexel University 2003: Grantsmanship award for NSF NSDL and IERI grants totaling $2,750,000 awarded in first year at Drexel. Only Million Dollar Club recipient in iSchool history.
  • First Prize at Drexel/IST Research Day 2005 and 2006 and 2007: Set of four posters on VMT Project each year.