Nasaruddin Umar is the founder of the Indonesian interfaith organization Masyarakat Dialog antar Umat Beragama and was vice minister (2011–2014) in the Indonesian Ministry of Religious Affairs (Departemen Agama).
He is also a member of the UK-Indonesia Advisory Team, founded by UK prime minister Tony Blair.He is the author of 12 books, among them: Argumen Kesetaraan Gender Perspektif Al-Quran (Paramadina, 1999), which examines gender bias in the Quran.