Conference Organization:

• Program Committee member for ACM UIST 2013
• Program Co-Chair for ACM UIST 2012
• Program Committee member for ACM ISMAR 2012
• Program Committee member for ACM CHI 2012
• Program Committee member for ACM ITS 2011
• Program Committee member for Video Showcase at ACM CHI 2011
• Program Committee member for ACM UIST 2010
• Program Committee member and Doctoral Symposium Co-Chair for ACM ITS 2010
• Program Committee member for ACM ICMI/MLMI 2010
• Program Committee member for IEEE 3DUI 2010
• Webmaster for ACM UIST 2009
• Program Committee Member for IEEE 3DUI 2009
• Demo Co-Chair for ACM UIST 2008
• Program Committee member and Publicity Chair for 2nd International Conference on Intelligent Technologies for Interactive Entertainment (INTETAIN '08), January 8-10, 2008, Cancun, Mexico.
• Publicity Co-Chair for The Sixth IEEE International Symposium on Mixed and Augmented Reality (ISMAR '07), November 13-16, 2007, Nara, Japan.
• Co-Chair for the First Annual Columbia Computer Science Student Research Symposium, December 8th 2006, Davis Auditorium, Columbia University, NY.
• Student Volunteer Organizing Committee, IEEE and ACM ISAR 2001 (International Symposium on Augmented Reality). New York, NY. October 29-30, 2001.

Editor:

• Guest Editor for the Special Issue of Computers and Graphics on Touching the 3rd Dimension. To be published by Elsevier in Dec. 2012.

Peer Reviewer:

• ACM SIGCHI: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
• ACM SIGGRAPH: 2003, 2008, 2009, 2010, 2011
• ACM User Interface Software and Technology (UIST): 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
• ACM Interactive Tabletops and Surfaces (ITS): 2009, 2010, 2011, 2012
• ToCHI Journal: 2009, 2012
• IEEE’s Transactions on Visualization and Computer Graphics: 2008, 2009, 2011
• International Conference on Multimodal Interfaces (ICMI): 2010
• IEEE Virtual Reality (VR): 2004, 2005, 2007
• IEEE Symposium on 3D User Interfaces: 2007, 2008, 2009, 2010, 2011
• IEEE/ACM International Symposium on Mixed and Augmented Reality (ISMAR): 2003, 2004, 2005, 2010
• IEEE International Symposium on Wearable Computing (ISWC): 2007
• IEEE Visualization: 2003, 2006
• Pervasive: 2005
• SmartGraphics: 2004

Student Volunteer:

• SIGCHI 2007
• SIGMM 2004
• ISAR 2001

Supervised Students & Interns:

• Felipe Bacim de Araujo e Silva (Summer 2012) coadvised with M. Sinclair
• Brett Jones (Summer 2012)
• Rajinder Sodhi (Summer 2011)
• Chris Harisson (Spring 2011)
• Roland Aigner (Fall 2010) coadvised with D. Wigdor
• Ricardo Costa Jota (Summer 2010)
• David Holman (Summer 2010)
• Dustin Freeman (Spring 2009) coadvised with D. Wigdor
• Miguel Nacenta (Summer 2008) coadvised with A. Wilson and P. Baudisch
• Bjoern Hartmann (Summer 2008) coadvised with M. Morris and A. Wilson
• Bhashinee Garg (Spring 2007) - Exploration of dual-sided multi-touch interactions on a handheld device
• Ivor Baksa (Spring 2006) - Development of AR conversational agent
• Shezan Baig (Spring 2004) - TabletPC AR system for archeological visualization
• Erik Peterson (Spring 2004) - Interface develpment for situated AR multimedia
• Shezan Baig (Fall 2003) - Adaptive meshing algorithm for large meshes
• Sajid Sadi (Spring 2003) - P5 Glove gesture recognizer for SenseShapes
• Zachariah Munoz (Fall 2002, Spring 2003) - Modeling of the Cathedral of St. John the Divine
• Sajid Sadi (Fall 2002) - Control interface for SenseShapes

Courses Taught:

• Introduction to Programming in Java - COMS W3101-03 (Spring 2005)

Teaching Assistant:

• Video Games Design and Technology - COMS W4995-01 (Spring 2003)
• User Interface Design - COMS W4170 (Fall 2001)
• Introduction to Computing in Java (Fall 1999)