AOTS is an organization specializing in human resource development in developing countries, promoting technical cooperation through Training, Experts dispatch and other programs. Through those programs AOTS aims at contributing to mutual economic growth of developing countries and Japan as well as enhancing friendly relations between those countries.
JASTECA Institute of Management (JIM) is the management training arm of JASTECA. JIM was formed to provide training to Sri Lankan business organizations – especially corporates – for their supervisory, operational management and senior management cadres.
Japanese Language Education Association (JLEA) is the unit within JASTECA which serves as the pioneer organization in Sri Lanka disseminating the Japanese Language to Sri Lankans. JLEA has been carrying out this service for nearly 20 years.

Founded in 1984, the Japan–Sri Lanka Technical and Cultural Association (JASTECA) brings together AOTS alumni and serves as an active platform for strengthening relations between Japan and Sri Lanka through technical cooperation, professional development, cultural exchange and sustainable partnerships.
JASTECA remains committed to the mission of AOTS while continuing to evolve in response to changing global needs. Our work is guided by four key pillars: