Institut Jaminan Sosial Indonesia (IJSI) is a non-government organization (NGO) founded by Yayasan Madera Sejahtera which aims 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 provides research and consultancy services to the government, hospitals, organizations, universities, state-owned companies, etc.