Yumiko Chiba Associates (YCA) was launched as an artist management office in 1998. YCA represents the Estate of some important artists in Japanese contemporary art history such as Jiro Takamatsu, Masafumi Maita and others. In 2010, YCA opened a commercial gallery in Shinjuku, Tokyo as “viewing room” and has held a large number of solo shows for the established artists; Jiro Takamatsu, Beat Streuli, along with other artists in the young generation. In addition to the above, YCA has been planning and organizing many contemporary art shows at the galleries and museums inside and outside of Japan. YCA also has published many research booklets with critical essays, contributing to interpretations of artists in terms of art history.