Institut Jaminan Sosial Indonesia (IJSI) is a non-government organization (NGO) founded by Yayasan Madera Sejahtera which have aim to encourage the enactment of the BPJS law so then the National Social Security System (Sistem Jaminan Sosial Nasional/SJSN) can be realized in Indonesia. IJSI also providing research and consultancy services to government, hospitals, organization, universities, state-owned company, etc.