“Division and marginalization in the Lower Brantas Basin: a longue durée perspective.” Paper presented in international symposium River Cities: Water Space in Urban Development and History” jointly organized by the International Institute for Asian Studies (IIAS) and Universitas Airlangga (Unair) as part of the Urban Knowledge Network Asia Initiative (Surabaya, December 11-22, 2017).
“Seeing disaster through urban lens.” Public lecture at the Indonesian Consulate in Frankfurt, Germany (Frankfurt, June 7, 2017).
“Dealing with environmental disaster in urbanizing Indonesia.” Guest lecture at the Southeast Asian Signature Series (SEASS), Asian Dynamic Initiative (ADI), University of Copenhagen, Denmark (Copenhagen, November 15, 2016).
“Reclaiming livelihoods: social movements in Lapindo case, Indonesia.” Paper presented in international symposium Reclaiming the City: Urban Social Movements and the Civil Societies in Indonesia, Asia Research Institute, National University of Singapore (NUS) (Singapore, February 23, 2016).
“Bencana dalam perspektif ilmu sosial” [Disaster: a social science perspective]. Panel in national seminar Bencana dalam Perspektif Ilmu Sosial, FISIP, Universitas Islam Negeri Syarif Hidayatullah (Jakarta, November 11, 2015).
“Asap tanpa api?” [Smoke without fire?]. Paper presented in national seminar Di Balik Bencana Asap, Kekeringan dan Antisipasi Banjir, FISIP, Universitas Brawijaya (Malang, November 10, 2015).
“Environmental disaster as cultural heritage.” Paper presented in international conference The Resilience of Vernacular Heritage in Asian Cities, Asia Research Institute, National University of Singapore (NUS) (Singapore, November 6-7, 2014).
“Kasus Lapindo, keterbukaan informasi publik, dan peran media massa” [Lapindo case, public information openness, and the role of mass media]. Paper presented in public discussion Public Information Openness in the Lapindo Case, Indonesian Independent Journalist Alliance (AJI) and Friends of Earth Indonesia (Walhi) (Surabaya, July 17, 2010).
“Tantangan-tantangan bagi eksistensi Orangmuda di jaman global’ [Youth’s challenges for existing in the global age]. Paper presented in the meeting of Malang Diocese Youth Meeting (Jember, July 9, 2010).
“Agenda-agenda terbayangkan untuk kasus Lapindo” [Imagined agendas for Lapindo case]. Paper presented in national seminar Celebrating 4 years of Lapindo Mudflow, Center for Human Rights Study (University of Surabaya) and Center for Human Rights Study and Faculty of Social and Political Sciences (Universitas Airlangga), with financial support of the Indonesian Human Rights Commision (Surabaya, May 25, 2010).
“Saya (gak) bisa nulis!” [I can(not) write!]. Handout for traning Writing Articles for the Newspaper, Institute for Economic and Development Investigation (Surabaya, March 27, 2010).
“Politik (De)konstruksi bencana: Media massa dan wacana alternatif dalam kasus Lapindo” [The politics of disaster (de)construction]. Paper presented in the international conference Interpretation and Response to Disaster. An Integrated Approach in Science, Religion and Culture, Universitas Gadjah Mada (Yogyakarta, March 11, 2010).
“Globalisasi dan fundamentalisme” [Globalization and fundamentalism]. Paper presented in public discussion of Youth Facing the Globalization and Fundamentalism, Youth Commission of Diocese of Malang (Malang, June 3, 2007).
“Memetik pelajaran from Nobel Perdamaian 2007: belajar dari Sumber Brantas” [Lessons from the 2007 Nobel Prize for Peace: learning from Sumber Brantas]. Paper presented for Carmelite Ordo (Malang, October 25, 2007)
“Melihat dunia dengan sosiologi” [Seeing through the world with sociology]. Paper presented in Studium Generale, Social Sciences Program, Universitas Brawijaya (Malang, May 28, 2005).
“Menuju masyarakat sipil yang cerdas” [Towards a smart civil society]. Handout for Leaderships training, PMKRI (Surabaya, October 24, 2003).