June 2025: Power and intuition, commodification and totalities: Social healing and political bodies in the esoteric field. Esotericism - Health - Politics, 2nd Workshop of the Working Group Esotericism and Alternative Religiosity in the DVRW, Wittenberg.
April 2025: Grenzkämpfe im alternativ-religiösen Feld der frühen Bundesrepublik. Institute for Frontier Areas of Psychology and Mental Hygiene, Freiburg i.Br. https://youtu.be/ix7sWw7_fmM?feature=shared
October 2023: Ariosophical world views and communisations: Travelling as Initation in Rudolf von Sebottendorff and Ernst Issberner-Haldane. Workshop Religion Glokal, World of Contradictions, University of Bremen.
September 2023: Die 'Français musulmans' als Differenzkategorie um 1971/72: Eine soziologische Studie zwischen Ethnopsychologie, Esoterikforschung und Migrationspolitik. DVRW conference: Under Construction - Religion as Practice and Process, Bayreuth.
May 2022: The German Association for Freedom of Thought: Free Spiritual Religiosity in the Post-War Era. - Conference: Adapted religion? - Strukturelle Isomorphie in Religionsgeschichte und religiöser Gegenwartskultur, Arbeitskreis "Religionswissenschaftliche Gegenwartsforschung" der Deutschen Vereinigung für Religionswissenschaft und des DFG-geförderten Wissenschaftlichen Netzwerkes "Konstellationen des Verhältnisses von religiösen Minderheiten und Mehrheiten in pluralen Gesellschaften", Bayreuth.
October 2021: Demon Beliefs and Ideas of Possession in 1950s Germany. - Anthropological Dimensions of Demon Beliefs, University of Oldenburg.
September 2021: 'Artgemäß' und 'wesenhaft' im hybriden Mittelmaß: Religionskonzepte in der Deutschen Unitarier Religionsgemeinschaft von 1950 bis 1963. DVRW conference: Religion in Relation, Leipzig.
June 2019: Alternative Histories - Occultist Folklore and History of Religion in Postwar Germany. - EASR 2019 Conference: Religion - Continuations and Disruptions, Tartu, Estonia.
June 2019: Conceptualising Magic in 1950s Germany: Shifting Notions Between Variety Shows, Popular Manuals, and Hidden Esoteric Powers. - Approaching Esotericism and Mysticism: Cultural Influences, Donner Institute, Åbo/Turku, Finland.
April 2019: "Thoughts are powers": Dynamism in Religious Studies and Popular Religion around 1950 - Philosophical Colloquium, University of Oldenburg.
March 2019: Carrel's New Man: Spirituality, Technology and Religious Populism between German War Trauma and Economic Miracle. - From Transcendence to Transhumanism: Interpretive Cultures of (Un)Salvation History in the 19th and 20th Centuries, University of Paderborn.
January 2019: Religious Justification of Bourgeois Society: On the Positioning of Lavater's Environment in the Enlightened Public. - Interdisciplinary 18th Century Research I, Interdisciplinary Centre for Pietism Research, Halle a. d. Saale.
November 2018: Islam and the Missed Enlightenment: Careers of an Academic Stereotype. - Religion as harbour or threat: Religious stereotypes in 20th century media communication, University of Oldenburg.
October 2018: Reinheit und Finsternis: Radikalisierung aus religissoziologischer und religionshistorischer Perspektive. - The peace potential of the three monotheistic religions, Jewish Community of Oldenburg and University of Oldenburg.
November 2017: Popularised power models of religion: Bruno Gröning (1906-1959) and the healing current. - Farewell ceremony for Prof Dr Dr Christoph Auffarth, University of Bremen.
September 2017: The mediation of transcendence into immanence: On the Gothic reception around 1800 from Strasbourg Cathedral to Cologne Cathedral. - DVRW Conference: Media, Materiality, Methods, Marburg.
June 2017: Religious and Secular Notions of Legal Authority and Public Space in North African Customary Law. - Workshop on Muslim Secularities: Explorations into Concepts of Distinction and Practices of Differentiation, University of Leipzig.
May 2017: Body, History, Nation: On the Shaping and Reflection of Religious Perception and Experience. - Finding and inventing: Romanticism and its Religions, 1790-1820, Interdisciplinary Centre for Pietism Research, Halle a.d. Saale.
January 2017: Religious Studies Encounters in North Africa. - 71st Hermannswerder Evening, Hermannswerder Protestant Grammar School, Potsdam.
June 2016: Between Idealism, Naturphilosophie and Theosophy: Locating John C. Colquhoun in the Mesmerist Renewal of the 19th Century. - EASR 2016 Conference: Relocating Religion, Helsinki, Finland.
April 2016: Wilhelm Christian Müller und die bürgerliche Religion in Bremen um 1800 - Oberseminar Religiöse und konfessionelle Vielfalt im norddeutschen Raum während der langen Frühen Neuzeit (1500-1850), Universität Hamburg (Organisers: Markus Friedrich, Frank Hatje).
March 2016: (with Danijel Cubelic, ZEGK Heidelberg) Organisation of the workshop Religious Authority in Islam of the Working Group Islam in the German Association for Religious Studies, Frankfurt am Main.
January 2016: Formal characteristics of the legal clauses in Ex 21-22 and other Mediterranean legal texts: On the ranges and limits of comparative description. - Habilitation lecture, University of Bremen.
August 2015: A fourteenth-century Fatwa on Learning: Exclusion and Authority in Sufi Discourse. - 21st World Congress of the IAHR, Erfurt, Germany.
November 2014: Images de la Grande Kabylie en 1864, 1914 et 1933: représentations de la religion et de la société entre Frobenius et l'administration coloniale. - Images d'Afrique de 19e et 20e siècles : Regards croisés et histoire des objets dans les livres scolaires et les archives numériques, Dakar, Senegal.
September 2013: From the other side of the horizon, the night rises again with all its ghosts: Discursive expectations and demarcations vis-à-vis the charlatans of the Enlightenment. - DVRW conference 2013, Göttingen.
May 2013: Charisma and staging: Christoph Kaufmann's "Apostelzug" between Winterthur and St. Petersburg from the perspective of the history of religion. - Research colloquium on religious studies, Université de Fribourg.
April 2013: Explorations of moral meaning and vitality: theory and practice of animal magnetism in Bremen 1786-1805 - research project Spiritism and the modern media (1770-1930), Université de Fribourg.
October 2012: (with Ricarda Stegmann) Administered Islamic Law in Colonial and Independent Algeria. - 19th International Congress on Contemporary Research in the Near East (DAVO Congress), Erlangen.
September 2011: Prophethood and Kinship in the Early Islamic Tribal and Religious Context. - DVRW Conference 2011, Heidelberg.
November 2010: Biographical stages of the Lavater student Johann Jakob Stolz. - Politics and Religion in Bremen around 1800, BBKR and Ev. Bildungswerk Bremen.
October 2010: Puzzling Religion: The processing of global conflicts and medial change in Star Trek Enterprise, "Chosen Realm". - Strange Worlds: Paths and spaces of fantasy in the 21st century, Hamburg.
December 2009: Travelling to the Night Side of the Soul: Arnhold Wienholt's Lectures on Somnambulism - On the Change of the Eternal: Death, soul and ideas of the afterlife in historical Bremen, BBKR and Ev. Bildungswerk Bremen.
May 2009: The Gamaliel Syndrome: Church Politics and Secularisation in Johann Smidt. - Bremer Religionsgeschichten, BBKR and University of Bremen.
November 2008: Codification Trends in North African Customary Law: "Islamisation", Authority, and Public Spaces. - American Anthropological Association Annual Meeting, San Francisco, CA.
December 2006: L'établissement de la Rahmaniya dans le contexte du courant néo-soufiste à la fin du XVIIIe siècle. - Troisième colloque international sur le soufisme, Béjaia, Algeria.
November 2006: Ahmad ben Idris dans deux Fatwas du Mi'yar: une analyse des aspects sociaux et théologiques. - Le Jurisconsulte Ahmed ben Idris (m. 760 h./1358): Son œuvre, son école et son influence, Béjaia, Algeria.
May 2006: The Transformation of Kabyle Customary Law in French Peace Courts. - Customary Law in the Middle East and in North Africa, Princeton University, Princeton, NJ.
January 2006: L'islamologie allemande à partir de 1850 : ses principaux courants et sa contribution à l'historiographie du Maghreb. - Seminar Les relations scientifiques franco-allemandes à l'épreuve du terrain nord-africain et moyen-oriental, EHESS, Paris.
May 2005: Fitna and Homicide in Kabyle Customary Law. - Between State, Religion, and Tradition: Re-examining the Concepts of Collective and Individual Responsibility in the Islamic World, Danish Institute of Damascus, Damascus.
September 2004: L'apport des Barbaresques à l'unité allemande. - Les relations scientifiques franco-allemandes à l'épreuve du terrain nord-africain, EHESS, Paris.
September 2003: Customary rights in Islamic legal environments: Theoretical comparative perspectives from the Great Kabylia. - Customary Law (Adat Law) between State and Society - Caucasus/Middle Asia in Comparison with other Regions of the Islamic World, Bamberg.
July 2003: Disposal Rights on Property and Women's Inheritance in Greater Kabylia: From Local Notions and Religious Politics to Colonial Emancipationist Ideology? - Changing Properties of Properties, MPI for Ethnological Research, Halle a.d. Saale.
March 2001: Family Foundations in the Great Kabylia and the Maghreb (18th/19th century): Islamic legal norms and local legal pluralism. - 27th German Orientalists' Conference, Bamberg.
