Sasapin Siriwanij is a Bangkok-based performer, director, and producer. She began acting in 2005 while studying at Chulalongkorn University, where she received her M.A and B.A in English Literature. Having trained with various types of theater, she eventually joined B-Floor Theatre as a full-fledged member in 2009, and has been continuously performing in physical theater productions with the company both in Thailand and abroad since. Her directorial works began debuting in 2013 with solo performances and short plays. Her latest work was a full scale physical theater performance "WW101" which commemorated the 101st anniversary of WWI in 2015. Besides artistic work, Sasapin has organized various workshops for B-Floor Theatre since 2012. She is also B-Floor’s project manager for many international collaborative projects, as well as working independently with international collaborators. Her current initiative is an arts festival addressing the issue of violence in Bangkok in 2018.