Tellervo Kalleinen (FIN, born 1975)  and Oliver Kochta-Kalleinen (GER, born 1971) live and work in Helsinki, Finland. They have collaborated since 2003 when they organised "The First Summit of Micronations". They are co-founders of complaintschor.org, the Speech Karaoke project and YKON. Their work has been featured in various exhibitions, such as Ars Electronica, Linz (2010); Mori Art Museum, Tokyo (2009); The Kitchen, New York (2009); P.S.1 New York (2008);  S.M.A.K., Belgium (2006); and NGBK, Berlin (2008), KIASMA, The Museum of Contemporary Art, Helsinki (2014).