1998年に設立されたYumiko Chiba Associatesは、高松次郎のエージェントであり、また、国内外の現代アーティストのマネージメントをしています。2010年、東京の新宿にギャラリーを開設しました。
Yumiko Chiba Associates was first founded in 1998 and has dealt with the management of the contemporary artists inside and outside Japan as well as represented the estate of Jiro Takamatsu. In 2010 Yumiko Chiba Associates opened a commercial gallery in Shinjuku, Tokyo.
The gallery features monthly programs, which are scholarly most of the time and focus on contemporary artists as well as old masters from 1960s-70s, many of whom are conceptual. As for Jiro Takamatsu, the solo exhibitions have been held: “Light and Shadow, ” “Smashing of Everything,” “These Three Words”.