APPOINTMENTS
- September 2025 – November 2025: Visiting Professor of Computer Science, School of Exact and Natural Sciences, University of Buenos Aires, Argentina.
- March 1st 2017 - : Professor of Computer Science, Brown University.
- January 1st 2017 - : Professor of Engineering, Brown University.
- September 1st 2003 – December 2016: Associate Professor of Engineering and Computer Science, Brown University.
- October 2014: Visiting Professor of Engineering, Universidad Nacional del Sur, Buenos Aires, Argentina. qqq
- April 2013: Visiting Professor of Computer Science, School of Exact and Natural Sciences, University of Buenos Aires, Argentina.
- January 2010 - September 2010, Visiting Associate Professor of Media Arts and Sciences, MIT Media Laboratory.
- January 2010 - December 2014, Editor In Chief, IEEE Computer Graphics and Applications.
- September 2003 - , Associate Professor of Engineering and Computer Science, Brown University.
- September 2002 - August 2003: Research Staff Member, Pervasive Computing Solutions, IBM T. J. Watson Research Center.
- September 2001 - August 2002: Research Staff Member, Visual Technologies, IBM T. J. Watson Research Center.
- September 2000 - August 2001: Visiting Professor of Electrical Engineering, California Institute of Technology.
- July 1996 - August 2000: Manager, Visual and Geometric Computing, IBM T. J. Watson Research Center.
- July 1995 - July 1996: Research Staff Member, Visualization, Interactions, and Graphics, IBM T. J. Watson Research Center.
- September 1992 - July 1995: Research Staff Member, Exploratory Computer Vision, IBM T. J. Watson Research Center.
- September 1990 - September 1992: Visiting Scientist (Post-Doc), Exploratory Computer Vision Group, IBM T. J. Watson Research Center.
MEMBERSHIPS
- IEEE & Computer Society, student member 1986, member 1990, senior member 1995, Fellow 2001, Life Fellow 2023.
- SIAM, student member 1987, member 1990.
- ACM & Siggraph, member 1992.
- Eurographics, member 1999.
STANDARDS
- Co-editor, MPEG-4 3D Mesh Coding Specification. Integral part of ISO/IEC 14496-2 (Coding of Visual Objects), 1998-2000.
- Member of Board of Directors, Virtual Reality Modeling Language (VRML) Consortium, 1997 - 1998.
- Co-editor, MPEG-4 3D Mesh Coding Call for proposals, 1996.
- Co-editor, VRML Compressed Binary Format Proposal, specification, 1996-1997.
EDITORIAL
- Member of the Steering Committee, Bogota ACM Siggraph 2016.
- Member of the Advisory Council, IEEE Computer Graphics and Applications, December 2013 - July 2014.
- Member of the Editorial Board, IEEE Computer Graphics and Applications, December 2013 – July 2014.
- Editor In Chief, IEEE Computer Graphics and Applications, January 2010 - December 2013.
- Guest Editor, Computer Vision and Image Understanding (CVIU), Special Issue on "New Advances In 3-D Imaging And Modeling;" Volume 113, Issue 11, November 2009.
- Guest Editor, IEEE Computer Graphics & Applications, Special Issue on 3D Cinematography, May-June 2007.
- Associate Editor, IEEE Transactions on Visualization and Computer Graphics, since March 2006.
- Associate Editor, The International Journal of Image and Graphics (IJIG), since November 2005.
- Member of Editorial Board, Graphical Models, August 2002.
- Guest Editor, Graphical Models, special issue on Processing of Large Polygonal Meshes, vol. 64, no. 3-4, 2002.
- Guest Editor, Computational Geometry: Theory and Applications, special issue on 3D Model Coding, Editing, and Transmission, vol. 14, issue 1-3, 30 November 1999.
CONFERENCE ORGANIZATION
- Co-Chair, 2nd Workshop on 3D Cinematography, held jointly with the IEEE Conference on Computer Vision and Pattern Recognition 2012, Providence, RI, June 2012.
- Local Arrangements Chair, 2nd Workshop on Applications of Computer Vision in Archaeology (ACVA'2010), June 2010
- Steering Committee Member, 5th International Symposium on 3D Data Processing, Visualization, and Transmission, 2010.
- Co-Chair, BIRS Workshop on "Multi-View Image and Geometry Processing for 3D Cinematography," held at the Banff International Research Station, Alberta, Canada, July 13-18, 2008.
- Steering Committee Member, 4th International Symposium on 3D Data Processing, Visualization, and Transmission, 2008.
- Program Co-Chair, 6th International Conference on 3-D Digital Imaging and Modeling (3DIM 2007), held in Montreal, Quebec, Canada, August 21-23, 2007.
- Co-Chair, 1st Workshop on 3D Cinematography, held jointly with the IEEE Conference on Computer Vision and Pattern Recognition 2006, New York City, June 2006.
- Steering Committee Member, 3rd International Symposium on 3D Data Processing, Visualization, and Transmission, 2006.
- General Co-Chair, 2nd Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'04), Thessaloniki, Greece, September 2004.
- Program Co-Chair, 9th ACM Symposium on Solid Modeling and Applications 2004, June 2004, Genova, Italy.
- Organizer and Co-Chair, Special Session on Encoding of 3D Models for Efficient Delivery, IEEE International Conference on Multimedia and Expo (ICME 2002), August 26-29, 2002, Lausanne, Switzerland.
- Session Chair, Siggraph'2002, July 2002.
- Organizer and Chair, session on 3D Geometry Compression, 1st Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'02), Padova, Italy, June 2002.
- Session Chair, Siggraph'2001, August 2001.
- Organizer, Course on 3D Geometry Compression, Siggraph'2000, July 2000.
- Organizer, Course on 3D Geometry Compression, Siggraph'99.
- Organizer, Workshop on Multi-Resolution Representation of 3D Geometry for Progressive Transmission, IEEE Visualization'98.
- Organizer, Course on 3D Geometry Compression, Siggraph'98.
- Organizer, Course on VRML Compressed Binary Format, VRML'97, February 1997.
- Co-chair, Conference on Geometric Methods in Computer Vision, SPIE's International Symposium on Optical and Optoelectronic Applied Science and Engineering, July 1991.
COMMITTEES
- Program Committee Member, XL Conferencia Latinoamericana en Informática (CLEI 2014), Montevideo, Uruguay, September 2014.
- Program Committee Member, International Conference on Computer Graphics Theory and Applications (GRAPP 2014), January 2014.
- Program Committee Member, International Conference on Computer-Aided Design and Computer Graphics (CAD/CG), Hong Kong, November 2013.
- Program Committee Member, 26th Conference on Graphics, Patterns and Images (SIBGRAPI 2013), Arequipa, Peru, August 2013
- Tutorials Program Committee Member, of the 25th Conference on Graphics, Patterns and Images (SIBGRAPI 2012), Ouro Preto, MG, Brazil, August 2012.
- Program Committee Member, International Conference on 3D Imaging (IC3D), Liege, Belgium, December 2012.
- Program Committee Member, Shape Modeling International (SMI), College Station, TX, May 2012.
- Program Committee Member, International Conference on 3D Imaging (IC3D), Liege, Belgium, December 2011.
- Program Committee Member, Conference on 3D Imaging, Modeling, Processing, Visualization and Transmission (3DIMPVT 2011), Hangzhou, China, May 2011.
- Program Committee Member, Symposium on Geometry Processing (SGP 2011), Lausanne, Switzerland, July 2011.
- Program Committee Member, Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2011), Maceio, Brazil, August 2011.
- Program Committee Member, 2nd ACM Workshop on eHeritage and Digital Art Preservation (eHeritage 2010), Florence, Italy, October 2010.
- Program Committee Member, 5th International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'10), Paris, France, May 17-20, 2010.
- Program Committee Member, Shape Modeling International (SMI), Aix-en-Provence, France, June 21-23, 2010.
- Program Committee Member, Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2008), Campo Grande, Mato Grosso do Sul, Brazil, October 12-15, 2008.
- Program Committee Member, 6th Symposium on Geometry Processing (SGP 2008), Copenhagen, Denmark, July, 2008.
- Program Committee Member, 4th International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'08) Georgia Institute of Technology, Atlanta, June 2008.
- Program Committee Member, Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2007), Bello Horizonte, Brazil, October 7-10 2007.
- Member, Program Committee, 5th Symposium on Geometry Processing (SGP 2007), Barcelona, Spain, June, 2006.
- Program Committee Member, CVPR 2007 Workshop: "Beyond Multiview Geometry: Robust Estimation and Organization of Shapes from Multiple Cues."
- Program Committee Member, 9th European Conference on Computer Vision (ECCV 2006)
- Program Committee Member, Brazilian Symposium on Computer Graphics anda Image Processing (SIBGRAPI 2006), Manaus, Amazonas, Brazil, October 8-11 2006.
- Member, Program Committee, 4th Symposium on Geometry Processing (SGP 2006), Cagliary, Sardinia June, 2006.
- Member, Program Committee, IEEE International Conference on Computer Vision and Pattern Recognition (CVPR 2006), New York City, June 2006.
- Member, International Program Committee, 14th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG 2006), Czech Republic, January 2006.
- Member, Program Committee, 2nd Symposium on Geometry Processing (SGP 2005), July 2005, Vienna, Austria.
- Member, International Program Committee, 23rd Computer Graphics International Conference (CGI 2005), June 2005.
- Member, Program Committee, IEEE International Conference on Computer Vision and Pattern Recognition, San Diego, June 2005.
- Member, Program Committee, 5th International Conference on 3-D Digital Imaging and Modeling (3DIM'05), Ottawa, Canada, June 2005.
- Member, International Program Committee, 13-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision, Czech Republic, January 2005.
- Member, Program Committee, Pacific Graphics 2004, Seould, Korea, October 2004.
- Member, Program Committee, 2nd Symposium on Geometry Processing (SGP 2004), July 2004, Nice, France.
- Member, Program Committee, Geometric Modeling and Processing (GMP 2004), Beijing, China, April 2004.
- Member, Program Committee, 1st Symposium on Geometry Processing (SGP 2003), June 23-25 2003, Aachen, Germany.
- Member, Program Committee, 8th ACM Symposium on Solid Modeling and Applications 2003, June 16 - June 20, 2003, Seattle, WA.
- Member, Program Committee, 8th International Conference on 3D Web Technology (Web3D 2003), March 9 - March 12, 2003, Saint Malo, France.
- Member, International Program Committee, 11-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG'2003), February 3 - 7, 2003, Prague, Czech Republic.
- Member, Papers Program Committee, Siggraph'2002, July 2002.
- Member, Program Committee, Conference on Cyberworlds, sub conference on Geometric Modeling and Computer Graphics, Japan, 2002
- Member, Program Committee, 1st Ibero-American Symposium in Computer Graphics (SIACG), Portugal, July 2002
- Member, Program Committee, Geometric Modeling and Processing 2002, Japan, July 2002
- Member, Program Committee, 10th. International Conference in Central Europe on Member, Program Committee, Computer Graphics, Visualization, and Computer Vision (WSCG'2002), February 2002.
- Member, Program Committee, Pacific Graphics 2001, October 2001.
- Member, Program Committee, 14th Brazilian Symposium on Computer
- and Image Processing SIBGRAPI 2001, Florianópolis, Brazil, October 2001.
- Member, Papers Program Committee, Siggraph'2001, August 2001.
- Member, Program Committee, 9th. International Conference in Central Europe on Member, Program Committee, Computer Graphics, Visualization, and Computer Vision (WSCG'2001), February 2001.
- Member, Program Committee, PACIFIC GRAPHICS 2000, October 2000.
- Member of the Industry Advisory Board, NSF Center for Neuromorphic Systems Engineering at CalTech, 2000-2001.
- Member, Best Paper Award Committee, EUROGRAPHICS'2000, August 2000.
- Member, Program Committee, MPEG-4 Workshop and Exhibition at ISCAS 2000, Geneva, Switzerland, May 2000.
- Member, Program Committee, 8th. International Conference in Central Europe on Computer Graphics, Visualization, and Computer Vision (WSCG'2000), February 2000.
- Member, Applications Sketches Committee, Siggraph'98.
- Member, Best Paper Award Committee, Eurographics'97.
- Member, Program Committee, IEEE Conference on Computer Vision and Pattern Recognition, 1996.
Last updated Tue Feb 17 2026