Born in Hokkaido, 1970. Igarashi established his own architectural office in 1997. He participated in SIAF 2014 as YCAM InternLab + Igarashi Jun, and was in charge of the design of Korogaru Park in Nature. He is a recipient of the 19th Yoshioka Prize, the Grand Prix of the Osaka Contemporary Theater Festival’s Temporary Playhouse Competition, Biennale Internazionale di Architettura Barbara Cappochin (Italy) and AR Awards 2006 (U.K.). He is the author of The Indication of a State (Shokokusha, 2010) and The Construction of a State (TOTO Publishing, 2011).