I am / have been involved in organizing the following conferences and workshops:

• Workshop on User Experience Evaluation Methods @ Interact 2009 (organizer)
• Panel on Demarcating User Experience @ Interact 2009 (organizer)
• User Experience Evaluation - Do you know which method to use? SIG session @ CHI 2009 (organizer) 
• 3rd Workshop on Mobile Internet User Experience @ MobileHCI 2009 (organizer) CANCELED
• 2nd Workshop on Mobile Internet User Experience @ MobileHCI 2008 (organizer)
• User Experience Evaluation Methods in Product Development Workshop @ CHI 2008 (organizer)
• Towards a Shared Definition of User Experience SIG session @ CHI 2008 (organizer)
• Workshop on Mobile Internet User Experience @ MobileHCI 2007 (organizer)
• Towards a User Experience Manifesto workshop @HCI 2007 (committee)
• Workshop on Mobile and Ubiquitous User Experience @ Ubicomp 2007 (committee)
• Workshop on Design Principles for software that engages its users @ Interact 2007 (committee)
• MobileHCI 2006 (organizer)
• W3C workshop on the Mobile Web in Developing Countries 2006 (committee)

We are editing a special issue on Mobile Internet User Experience to the International Journal of MobileHCI, to come out late 2009.

I am also acting as a reviewer in conferences such as CHI, MobileHCI, NordiCHI, Mobility, WWW.

Kaasinen, E., Roto, V., Roloff, K., Väänänen-Vainio-Mattila, K., Maehr, W., Joshi, D., Vainio, T., Shrestha, S. User experience of Mobile internet- Analysis and Recommendations. To appear in Roto, V. and Kaasinen, E., (Eds.) International Journal of Mobile Human Computer Interaction (IJMHCI), Special Issue on Mobile Internet User Experience, Vol 1, Issue 4, October 2009. 

Ketola, P., Roto, V.: On User Experience Measurement Needs - Case Nokia. To appear in the International Journal on Technology and Human Interaction (IJTHI) Vol 5, Issue 3 (2009)

Väätäjä, H., Roto, V., Koponen, T.: Developing Practical Tools for User Experience Evaluation – A Case from Mobile News Journalism. To appear in ECCE'09.  (2009)

Roto, V. Obrist, M., Väänänen-Vainio-Mattila, K.: User Experience Evaluation Methods in Academic and Industrial Contexts. To appear in the workshop on User Expererience Evaluation Methods, in conjunction with Interact'09 conference, August 24-28, Uppsala, Sweden. (2009)

Väätäjä, H., Roto, V.: Questionnaires in User Experience Evaluation. To appear in the workshop on User Expererience Evaluation Methods, in conjunction with Interact'09 conference, August 24-28, Uppsala, Sweden. (2009)

Law, E., Roto, V., Hassenzahl, M., Vermeeren, A., Kort, J.: Understanding, Scoping and Defining User Experience: A Survey Approach. A full paper in Proc. Human Factors in Computing Systems, CHI’09. April 4-9, 2009, Boston, MA, USA (2009)

Savla, N., Roto, V.: Research topics for optimising social networking services for mobile use. Social Mediating Technologies: Developing a Research Agenda. Workshop in conjunction with CHI’09 conference. April 4, 2009, Boston, MA, USA (2009)

Roto, V., Rautava, M.: User Experience Elements and Brand Promise. International Engagability & Design Conference (Idec4), in conjunction with NordiCHI’08 conference. October 19, 2008, Lund, Sweden (2008)

Väänänen-Vainio-Mattila, K., Roto, V., Hassenzahl, M.: Towards Practical User Experience Evaluation Methods. 5th COST294-MAUSE Open Workshop on Valid Useful User Experience Measurement (VUUM). Reykjavik, Island (2008)

Ketola, P., Roto, V.: Exploring User Experience Measurement Needs. 5th COST294-MAUSE Open Workshop on Valid Useful User Experience Measurement (VUUM). Reykjavik, Island (2008)

Roto, V., Ketola, P., Huotari, S.: User Experience Evaluation in Nokia. Now Let's Do It in Practice - User Experience Evaluation Methods in Product Development workshop in CHI'08, Florence, Italy. (2008)

Vartiainen, E., Roto, V., Kaasalainen, J.: Graphical History List with Multi-Window Support on a Mobile Web Browser. Proc. Third International Conference on Internet and Web Applications and Services (ICIW'08), Athens, Greece. (2008)

Cui, Y., Roto, V.: How People Use the Web on Mobile Devices. Proc. 17th International World Wide Web Conference (WWW'08), Beijing, China. (2008)

Hassenzahl, M., Roto, V.: Being and Doing - A perspective on user experience and its measurement. Interfaces Magazine 72, British HCI Group. (2007)

Roto, V.: User Experience from Product Creation Perspective. Towards a UX Manifesto workshop, in conjunction with HCI 2007, Lancaster, UK. (2007)

Vartiainen, E. Roto, V., Popescu, A.: Auto-update: A Concept for Automatic Downloading of Web Content to a Mobile Device. Proc. Mobility Conference 2007, Singapore. (2007)

Kostiainen, K., Rantapuska, O., Moloney, S., Roto, V., Holmström, U., Karvonen, K.: Usable Access Control Inside Home Networks. Proc. The Third IEEE International Workshop on Trust, Security, and Privacy for Ubiquitous Computing, Helsinki, Finland. (2007) (Long version of the paper as a technical report)

Roto, V.: Web Browsing on Mobile Phones - Characteristics of User Experience. Doctoral dissertation, Helsinki University of Technology. (2006)

Grassel, G., Roto, V.: Comparing Mobile Internet User Behaviours in Beijing. W3C workshop on Mobile Internet in Developing Countries. (2006)

Roto, V.: User Experience Building Blocks. COST294-MAUSE Workshop on User Experience - Towards a Unified View. In conjunction with NordiCHI'06 conference. (2006)

Roto, V., Geisler, R., Kaikkonen, A., Popescu, A., Vartiainen, E.: Data Traffic Costs and Mobile Browsing User Experience. MobEA IV workshop on Empowering the Mobile Web, in conjunction with WWW2006 conference. (2006)

Roto, V., Popescu, A., Koivisto, A., Vartiainen, E.: Minimap – a Web Page Visualization Method for Mobile Phones. Proceedings of ACM CHI 2006.

Roto, V.: Search on Mobile Phones. In Vaughan, M., Resnick, M. (eds): Perspectives issue of the Journal of the American Society for Information Science and Technology (JASIST), Best Practices and Future Visions of Search User Interfaces. Vol 57, number 6 (2006), pp. 834-837.

Roto, V., Laakso, K.: Mobile Guides for Locating Network Hotspots. Workshop on HCI in Mobile Guides. (2005)

Roto, V., Oulasvirta, A.: Need for Non-Visual Feedback with Long Response Times in Mobile HCI. Proceedings of the 14th International World Wide Web Conference (2005)

Roto, V.: Browsing on Mobile Phones. MobEA III workshop on Customer Focused Mobile Services, in conjunction with WWW2005 conference. May 10, 2005, Chiba, Japan. (2005)

Oulasvirta, A., Tamminen, S., Roto, V., Kuorelahti, J.: Interaction in 4-second Bursts: The Fragmented Nature of Attentional Resources in Mobile HCI. Proceedings of CHI2005 (2005)

Roto, V.: Developing Usable Mobile Phones. Eurescom mess@ge 4/2004, pp. 8-9.

Roto, V., Oulasvirta, A., Haikarainen, T., Kuorelahti, J., Lehmuskallio, H., Nyyssönen, T.: Examining Mobile Phone Use in the Wild with Quasi-Experimentation. HIIT Technical reports (2004)

Roto, V., Kaikkonen, A.: Perception of Narrow Web Pages on a Mobile Phone. Proceedings of Human Factors in Telecommunications (2003)

Roto, V.: Maximizing User Experience on the Mobile Internet. Featured article in Nokia Research Web (2003).

Roto, V., Kaikkonen, A.: Acceptable Download Times in the Mobile Internet. In Stephanidis, C. (ed.): Universal Access in HCI. Volume 4 of the Proceedings of HCI International 2003, pp. 1467-1471.

Kaikkonen, A., Roto, V.: Navigating in a Mobile XHTML Application. Proceedings of CHI2003, pp. 329-336. (2003)

Kaikkonen, A., Roto, V.: XHTML in Mobile Application Development. In Human Computer Interaction with Mobile Devices. Short paper in Proceedings of Mobile HCI 2002 pp. 344-348 (2002).