Sayaka has worked at IBM as Business Consultant in 2007-2011 and left IBM after the Great East Earthquake in 2011. Since 2011, Sayaka has been involved with several projects in Japan and ASEAN countries to empower the people’s possibilities through business.
In Japan, she has started an enterprise which produces natural cosmetics made by natural resources of that area to generate jobs at the Tsunami disaster area since 2011.In ASEAN and East Asia, Sayaka organizes the Asian Women Social Entrepreneurs Network (AWSEN) which was established in 2014. She also does the consultation work for Japanese private companies and creates PPP projects with JICA in Asia, Middle East and Africa.
Finalist of Nikkei Social Initiative Award of 2012 and 2013. Finalist of The Entrepreneur Awards Japan 2015.
Advisory board of Nikkei Social Business Contest since 2017.