CHI 2008 (Florence), CHI 2007 (San Jose, CA), CHI 2006 (Montreal), HCI International 2005 (Las Vegas), CHI 2005 (Portland, OR), CHI 2004 (Vienna)
Student Volunteer.
SCCG 2006: Spring Conference in Computer Graphics, Casta Papiernicka, Slovakia
Member of organizing committee.
TAMODIA 2004, Prague
Member of organizing committee.