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Program Committee Member

ACM Conference on Wireless Network Security (WiSec'11)
CHI Workshop on Persuasion, Influence, Nudge & Coercion through Mobile Devices (PINC2011 @ CHI2011)
MobileHCI 2010

External Reviewer for Conferences

CHI 2011, MobiSys 2011, DIS 2010, EICS 2010, IWSSI 2010, UBICOMP 2010, UIST 2010.

CHI 2008-2010, IEEE VTC 2006 Spring and Fall, IEEE Globecom 2006 - Information and Wireless Security, ISC 2006, ISWCS 2006, PIMRC 2007, ACM ITiCSE 2005-2009, ACM SIGCSE 2006-2009, Nordsec 2008, IWQoS 2008, MobileHCI 2008, IEEE VTC 2009 Spring, IEEE VTC 2010 Spring

External Reviewer for Journals and Magazines

Journal of Knowledge, Technology and Policy 2007, Information Processing Letters 2007, IEEE Vehicular Technology Magazine 2010, Journal of Systems and Software 2010, IEEE Pervasive Computing Magazine 2010

Other Service

Educational Membership Representative for USENIX, the Advanced Computing Systems Association in Helsinki University of Technology, 2006, 2007, 2008

Host for two students visiting Finland with The International Association for the Exchange of Students for Technical Experience (IASTE) program during summer 2006.