Yoko worked in 22 countries for international productions by Japanese Playwright Oriza Hirata and his theater company Seinendan for 10 years before starting to work in the Japan Foundation for the aim of supporting more artists in the next generation, mainly in East Asian and Pacific countries to generate more exchange among regions since 2015. From 2018, she started to work as an independent producer and change the focus on supporting the personal skill up of the Arts managers. She established an organization which supports forward mobility. She participated in Asian Producers' Platform Camp in 2014 and 2016 ( and 2015 as a member of the planning team) as well as Global Cultural Leadership Program initiated by EU Commission in 2016, Art Right Justice Academy held in Hildesheim University, the UNESCO chair, as a grantee of "Mobility First!" by ASEF and International Society for the Performing Arts as a Global Fellowship winner 2019.