General Symposium Chair
Keith Andrews, Graz University of Technology, Austria

Program Chair and Vis05 Liaison
Pak Chung Wong, Pacific Northwest National Laboratory

Papers Chairs
Matt Ward, Worcester Polytechnic Institute
John Stasko, Georgia Tech

Video Chairs
Ed Chi, PARC
Jarke van Wijk, Eindhoven University of Technology, The Netherlands

Interactive Posters Chairs
Chris North, Virginia Tech
Sheelagh Carpendale, University of Calgary, Canada

Contest Chairs
Georges Grinstein, University of Massachusetts Lowell
Mark Derthick, Carnegie Mellon University
Marjan Trutschl, Louisiana State University
Urska Cvek, Louisiana State University

Publications Chair
Alan Keahey, Visintuit

Publicity Chair
Fernanda Viegas, MIT

Webmaster
Carson Bloomberg, Carnegie Mellon University

Best Paper Chairs
Pat Hanrahan, Stanford University
Keith Andrews, Graz University of Technology, Austria
Tamara Munzner, University of British Columbia

Steering Committee
Stuart Card, PARC
John Dill, Simon Fraser University, Canada
Steve Eick, SSS Research, Inc.
Steve Feiner, Columbia University
Nahum Gershon, MITRE Corp.
Daniel Keim, University of Konstanz, Germany
George Robertson, Microsoft Research