Nadirsyah Hosen is known for his expertise on Shari'a and Indonesian law. He is a former Associate Professor at the School of Law, the University of Wollongong. Since July 2015 he has moved to teach at Monash University Faculty of Law,.
Hosen completed his first PhD (Law) at the University of Wollongong and a second PhD (Islamic Law) at the National University of Singapore. He then worked for two years as a Postdoctoral Research Fellow at TC. Beirne School of Law, University of Queensland. His articles have been published in various journals such as the Nordic Journal of International Law (Lund University), Asia Pacific Law Review (City University of Hong Kong), Australian Journal of Asian Law (University of Melbourne), European Journal of Law Reform (Indiana University), Asian Journal of Comparative Law (National University of Singapore), Journal of Islamic Studies (Oxford University), and Journal of Southeast Asian Studies (Cambridge University).
In 2012, Oxford University Press published Constitutionalism in Islamic Countries: Between Upheaval and Continuity, edited by leading scholars R. Grote & T. Roder, where he was invited to contribute a chapter on Indonesia: A Presidential System with Checks and Balances. He also contributed a chapter on Indonesian constitutional law in Albert Chen (ed), Constitutionalism in Asia in the Early Twenty-First Century (Cambridge University Press, 2014).
Hosen is also a former President of the Indonesia Council for the period 2011-2015. The Indonesia Council is an area-based sub-division of the Asian Studies Association of Australia (ASAA) where all top scholars and researchers on Indonesia are members of the Indonesia Council. Since 2005 he has served a Muslim community as Rais Syuriah (Chair of Consultative Board) of Nahdlatul Ulama special branch in Australia and New Zealand.
He is the author of Human Rights, Politics and Corruption in Indonesia: A Critical Reflection on the Post Soeharto Era, (Republic of Letters Publishing, Dordrecht, The Netherlands, 2010); Shari'a and Constitutional Reform in Indonesia (Institute of Southeast Asian Studies, Singapore, 2007); a co-editor (with Joseph Liow) of Islam in Southeast Asia, 4 volumes, (Routledge, London, 2010); and a co-editor (with Richard Mohr) of Law and Religion in Public Life: The Contemporary Debate (Routledge, London, 2011). His recent book (co-written with Ann Black and Hossein Esmaeili) is Modern Perspectives on Islamic Law (Edward Elgar, UK, 2013 and 2015) 
- "Archived copy". Archived from the original on 2014-10-25. Retrieved 2014-09-15.