Associate Editor, ACM Transactions on Computer-Human Interaction, 1992-present (founding member)
Associate Editor, Human-Computer Interaction, 2006-present
Editorial Board, International Journal of Human-Computer Studies, 2013-2016
Editorial Board, ACM Interactions, 1993-2008 (founding member)
Editorial Board, International Series on HCI, Springer Academic Publishers, 2002-present
Guest Co-editor, Special Issue on Physiological Computing for Human-Computer Interaction, ACM Transactions on Computer-Human Interaction, 2014
Guest Co-editor, Special Issue on User Interface Description Languages for Next Generation User Interfaces, ACM Transactions on Computer-Human Interaction, 2009
Guest Co-editor, Special Issue on the Aesthetics of Interaction, ACM Transactions on Computer-Human Interaction, 2008
Vice-President of ACM SIGCHI, 1990-93, 2001-06, and 2014-15
Chair, ACM TOCHI Editor in Chief search committee, 2015
Chair, SIGCHI Achievement Awards Committee, 2014-2015
At-large member, ACM SIGCHI Conference Planning Committee, 1989-90
Co-Organizer, ACM SIGCHI Workshop: “Brain-Computer Interfaces for Artistic Expression” ACM CHI 2018 Conference on Human Factors in Computing Systems
Co-Organizer, ACM SIGCHI Workshop: “Gaze Interaction in the Post-WIMP World” ACM CHI 2013 Conference on Human Factors in Computing Systems
Student Research Competition Judge, ACM CHI Conference on Human Factors in Computing Systems, 2013, 2015
Co-Organizer, Special Interest Group meeting (SIGEYE): "Gaze Interaction in the Post-WIMP World" ACM CHI 2012 Conference on Human Factors in Computing Systems
Doctoral Symposium Faculty, ACM UIST 2011 Symposium on User Interface Software and Technology
Steering Committee, ACM TEI Conference on Tangible, Embedded, and Embodied Interfaces
Conference Co-chair, ACM TEI'10 Conference on Tangible, Embedded, and Embodied Interfaces
Chair, Best Paper Awards Committee, ACM UIST 2009 Symposium on User Interface Software and Technology
Workshops Co-chair, ACM CHI 2009 Conference on Human Factors in Computing Systems
Co-chair, ACM SIGCHI Workshop: "User Interface Description Languages for Next Generation User Interfaces" ACM CHI 2008 Conference on Human Factors in Computing Systems
Conference Co-chair, ACM UIST 2007 Symposium on User Interface Software and Technology
Program Co-chair, TEI'07 Conference on Tangible and Embedded Interfaces
Chair, ACM SIGCHI Workshop: "What is the Next Generation of Human-Computer Interaction?" ACM CHI 2006 Conference on Human Factors in Computing Systems
Papers Support Team Committee, ACM CHI Conference on Human Factors in Computing Systems, 2005-2006
Invited Surveys Chair, ACM UIST 2004 Symposium on User Interface Software and Technology
Tutorials Co-chair, IEEE VR'04 Conference
Program Co-chair, CADUI'2004 Conference on Computer-Aided Design of User Interfaces
Papers Mentor, ACM CHI Conference on Human Factors in Computing Systems, 2003, 2004, 2005
Doctoral Consortium faculty, ACM CHI 2001 Conference on Human Factors in Computing Systems
Papers Co-chair, ACM CHI 2001 Conference on Human Factors in Computing Systems
Papers Subcommittee Chair ACM CHI Conference on Human Factors in Computing Systems, 2012
Associate Papers Chair, ACM CHI Conference on Human Factors in Computing Systems, 1992, 1994, 1997, 1998, 1999, 2005, 2007, 2010, 2011
Associate Chair for CHI Notes, ACM CHI Conference on Human Factors in Computing Systems, 2006
Program Chair, ACM UIST'98 Symposium on User Interface Software and Technology
Organizing Committee, Workshop on Representations for Multi-modal Human-Computer Interaction, AAAI-98 National Conference on Artificial Intelligence
Panels Chair, ACM UIST'97 Symposium on User Interface Software and Technology
International Coordination Committee, International Conference on Virtual Reality Software and Technology, Singapore, 1994
Co-Chair, ACM SIGGRAPH Workshop on Software Architectures and Metaphors for Non-WIMP User Interfaces, 1990
Tutorials Chair, ACM CHI'88 Conference on Human Factors in Computing Systems
Tutorials Co-Chair, ACM CHI+GI'87 Conference on Human Factors in Computing Systems
ACM CHI Conference on Human Factors in Computing Systems, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
Workshops Committee, ACM CHI Conference on Human Factors in Computing Systems, 2013, 2013
Tutorials Committee, ACM CHI Conference on Human Factors in Computing Systems, 1994, 1996, 1997, 1998, 2006
Special Interest Groups Advisory Committee, ACM CHI'98 Conference on Human Factors in Computing Systems
Short Papers and Interactive Posters Committee, ACM CHI Conference on Human Factors in Computing Systems, 1995, 2002
ACM UIST Symposium on User Interface Software and Technology, 1989, 1990, 1993, 1994, 1995, 1996, 2005, 2006, 2009
Panels Committee, ACM UIST'90 Symposium on User Interface Software and Technology
ACM SIGGRAPH Symposium on User Interface Software and Technology, 1988
Conference on Neuroadaptive Technology, 2019
INTERACT IFIP Conference on Human-Computer Interaction, 2013
Augmented Human International Conference, 2013
EICS 2009, ACM SIGCHI Symposium on Engineering Interactive Computing Systems, 2009
IEEE Visualization Conference, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002
IEEE VR Conference, 1999, 2000
IEEE VRAIS Virtual Reality Annual International Symposium, 1995, 1996, 1997, 1998
ACM VRST International Conference on Virtual Reality Software and Technology, 1994, 1996, 1997
ACM/SIGCAPH ASSETS International Conference on Assistive Technology for People with Disabilities, 1994, 1996, 1998, 2000, 2002, 2005
Eye Tracking Research and Applications Symposium, 2000, 2002, 2004
GI Graphics Interface Conference, 1997, 2004
International Program Committee, INTERACT IFIP Conference on Human-Computer Interaction, 1999, 2005
International Conference on Software Engineering and Knowledge Engineering, 1991, 1995
DSV-IS Eurographics Workshop on Design, Specification, Verification of Interactive Systems, 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004
ED-MEDIA Conference, Association for the Advancement of Computing in Education, 1996, 1997
Brain-Computer Interfaces as Intelligent Sensors for Enhancing Human-Computer Interaction, Grand Challenge Workshop, ICMI'2012 International Conference on Multimodal Interfaces
ICANN 2011 International Conference on Artificial Neural Networks
BRAINPLAY'07: Playing with your Brain, Workshop on Brain-Computer Interfaces and Games, 2007
CADUI'2006 Conference on Computer-Aided Design of User Interfaces
EGMM 2004 Seventh Eurographics Workshop on Multimedia, 2004
PUI Perceptive User Interfaces Workshop, 2001
ICMI'2000 International Conference on Multimodal Interfaces
Workshop on User Centred Design and Implementation of Virtual Environments, University of York, 1999
Minitrack on Formal Methods and HCI, World Congress on Formal Methods
WWW8 Eighth International World Wide Web Conference
InfoVis'97 Symposium on Information Visualization
Panel of Reviewers, INTERACT'97 IFIP Conference on Human-Computer Interaction
International Program Committee, OZCHI'96 Australian Conference on Human Computer Interaction
AVI'96 International Workshop on Advanced Visual Interfaces
VCHCI'93 Vienna Conference on Human-Computer Interaction
IEEE/CS VL'93 Workshop on Visual Languages
External Examiner, Laurens Krol, TU Berlin, 2020
External Examiner, Judith Amores, MIT Media Lab, 2020
ACM Heidelberg Laureate Forum Review Committee member, 2019-2022
Chair, Microsoft Technical Leadership Advisory Board in Brain-Computer Interfaces, 2018
External Examiner, Wenxin Feng, Boston University, 2018
External Examiner, Horia Maior, University of Nottingham, 2017
External Examiner, Nataliya Kosmyna, Universite Grenoble Alpes, 2015
External Examiner, Danny Plass-Oude Bos, University of Twente, 2014
External Examiner, Chi Thanh Vi, University of Bristol, 2014
External Jury (Rapporteur) for Habilitation a Diriger des Recherches, Stephane Huot, Universite Paris-Sud, 2013
External Examiner, Sophie Stellmach, Technische Universitat Dresden, 2013
External Jury (Rapporteur) for Habilitation a Diriger des Recherches, Emmanuel Pietriga, Universite Paris-Sud, 2012
Advisory Board, NSF project: Deep Insights Anytime, Anywhere (DIA2), Purdue University, 2011-2015
External Examiner, Hector Larios, Simon Fraser University, 2011
Dissertation committee, Chad Wingrave, Virginia Tech, 2008
External Examiner, Daniel Wigdor, University of Toronto, 2008
External Review Panel, Information Technology Research Program, Naval Research Laboratory, 2007
External Examiner, Wai Leng Lee, City University of Hong Kong, 2006
NSF Site Visit Team Member, 2005
Participant, NSF CISE Area Study, 2005
External Examiner, Barry Po, University of British Columbia, 2005
NSF Site Visit Team Member, 2004
National Visiting Committee, NSF project: Integrating Asynchronous Technology and Virtual Reality To Support Education in Aircraft Maintenance Technology, Clemson University and Greenville Technical College, 2004-2007
External Review Panel, Center for Human Computer Interaction, Virginia Tech, 2003
Korreferent (similar to external examiner), Yongmei Wu, Technische Universitaet Darmstadt, 2001
Associate Director, Exhibition: “Get in Touch,” Hiroshi Ishii, Ars Electronica Center, Linz, Austria, September 1, 2001 - September 1, 2002
Invited participant, NSF/EC Workshop, “Universal Accessibility and Ubiquitous Computing: Providing for The Elderly,” Portugal, 2001
External Examiner, Ravin Balakrishnan, University of Toronto, 2001
NSF Graduate Research Traineeship Program Site Visitor, 1999
External Examiner, James Boritz, University of British Columbia, 1998
Participant, ACM Workshop on Strategic Directions in Computing Research, 1996
Dissertation committee, Erica Sadun, Georgia Tech, 1996
External Examiner, Shumin Zhai, University of Toronto, 1995
Organizer, NSF Interactive Systems Grantees Workshop, 1995
Invited participant, NSF Workshop, “A Research Agenda to Assure Access to the NII for the Elderly and People with Disabilities,” 1994
Advisory Board, Human-Computer Interaction Laboratory, University of Maryland, College Park, 1992-94
Panelist, Workshop on User Interface Technologies and Intellectual Property, Office of Technology Assessment, U.S. Congress, 1991
Subcommittee Chair, GWU/NSF Workshop, “An Agenda for Human-Computer Interaction Research,” 1991
Navy Next Generation Computer Resources—Graphics Interface Standards Working Group, 1991-94
WIS Command Language Task Force, 1985
Navy Display Working Group, 1985
Ada METHODMAN Coordinating Team, 1983-84 NSF Review Panels, Washington, D.C., 1995, 1996, 1998, 1999, 2002, 2010, 2011, 2013, 2014, 2015
Association for Computing Machinery (and SIGCHI)
IEEE (and Computer Society)
Society for Neuroadaptive Technology
Human Factors and Ergonomics Society
Distinguished Alumni Achievement Award, Poly Prep Country Day School, 2018
Elected ACM Fellow, 2016
Elected to ACM CHI Academy, 2007