“ The Role of Expertise in Deliberative Politics,” Stiftung für Wissenshaft und Politik, Berlin, Germany September 15, 2015.

“Transnational Policy Think Tanks in Critical Perspective,” International Conference on Interpretive Policy Analysis, Lille, France, July 19, 2015

“Poststructural Policy Analysis.” Conference on Life Science Governance, University of Vienna, January 23, 2015

“The Global Ecovillage Network as Participatory Social Movement.” Conference on Democracy and Participation at the Rosa-Luxemburg-Institute, Berlin, Germany, November 28, 2014

“In Search of Usable Policy Knowledge,” Workshop on Theory in Comparative Policy Analysis, University of Muenster, September 25, 2014.

“Social Movements and Think Tanks: The Case of the Community Forest Movement in Nepal.” International Conference on Interpretive Policy Analysis, Wageningen, Netherlands, July 4, 2014.

Interpretation and the Argumentation in Public Policy, Higher School of Economics, Moscow, May 27, 2014.

“Climate Crisis and Ecological Democracy,” University of Linkoeping, Sweden, May 8^th, 2014

“Discourse and Interpretation in Critical Policy Studies.” Center for Development and Decent Work, University of Kassel, Germany, June, 19, 2014.

“Deliberating Public Policy: Integrating Empirical and Normative Inquiry,” Guest Lecture, University of Muenster, Germany, March 27, 2014.

“The Argumentative Turn in Policy Analysis: An Interpretive Approach.” Plenary Presentation, International Conference on Policy Studies, Grenoble, France, June 25, 2013.

“Interpretive Policy Analysis: Social Meaning and Multiple Realities.” Paper presented at the Workshop on Social Protection in Developing Countries, School of Graduate Studies and Research, University of Cape Coast, Ghana, May 14, 2013.

“Facilitating Policy Deliberation: Between Normative and Empirical Inquiry.” Public Lecture, University of Tele-Aviv, Israel, May 8, 2013.

“Making the Environmental State Democratic: Is Participatory Governance the

Solution?” Paper presented at the European Consortium for Political Research Joint

Sessions meeting in Mainz, Germany, March 15, 2013.

“Democracy as Participatory Governance: From Political Theory to Policy Practices.” Plenary Lecture at the Annual Meeting of the Asian Political Studies Association, Hong Kong, November 30, 2012.

“German Nuclear Policy after Fukushima: How to Explain the Turnaround.” Lecture at the Institute of Civil Engineering, The University of Tokyo, Tokyo, Japan, November 9, 2012.

“Citizen and Experts in Policy Deliberation: Integrating Empirical and Normative Inquiry.” University of Lille, France, October 30, 2012.

“Citizens and Experts in Public Deliberation: Facilitating Participatory Inquiry,”Technical University of Berlin, Center for Technology and Society, July 12, 2012

“The Argumentative Turn: What is it? Where is it Going?” International Political Science Association meeting, Madrid, July 7, 2012.

“The Argumentative Turn in Policy Analysis: An Interpretive Approach.” Plenary Presentation, International Conference on Policy Studies, Grenoble, France, June 25, 2013.

“Making the Environmental State Democratic: Is Participatory Governance the Solution?” Paper presented at the European Consortium for Political Research Joint Sessions meeting in Mainz, Germany, March 15, 2013.

“Democracy as Participatory Governance: From Political Theory to Policy Practices.” Plenary Lecture at the Annual Meeting of the Asian Political Studies Association, Hong Kong, November 30, 2012.

“German Nuclear Policy after Fukushima: How to Explain the Turnaround.” Lecture at the Institute of Civil Engineering, The University of Tokyo, Tokyo, Japan, November 9, 2012.

“Citizen and Experts in Policy Deliberation: Integrating Empirical and Normative Inquiry.” University of Lille, France, October 30, 2012.

“Citizens and Experts in Public Deliberation: Facilitating Participatory Inquiry,”Technical University of Berlin, Center for Technology and Society, July 12, 2012

“The Argumentative Turn: What is it? Where is it Going?” International Political Science Association meeting, Madrid, July 7, 2012.

“The Argumentative Turn Revisited: Public Policy as Communicative Practice,” Conference on Interpretive Policy Analysis, Tilburg, Netherlands, July 6, 2012.

“The Argumentative Turn in Public Policy Analysis.” University of Rome, Institute of Sociology, June 26, 2012.

“Citizen Participation and the Politics of Risk Assessment: Technical Knowledge in Social Context,” Free University of Berlin, Environmental Policy Research Institute, June 5, 2012.

“Sustainable Development as Transformative Learning.” Plenary Presentation, Conference on Innovation in Governance, Technical University, Berlin, May 32, 2012.

“Citizen Deliberation and the Politics of Risk Assessment,” Public Lecture, Innogen Centre, Edinburgh University, Scotland, December 12, 2011

“Deliberating Environmental Policy: The Levels of Argumentation.” University of Glasgow, School of Business, December 13, 2011

“Citizens and Experts in Public Deliberation: Facilitating Discursive Practices,”Keynote plenary presentation at the Conference on Democracy and Participation,

L’Ecole des Hautes Etudes en Sciences Sociales, University of Paris, October 18, 2011.

“Urban Conflicts as Multiple Realities: Social Meaning and the Politics of Discourse.” International Research Conference on Planning/Conflict: Critical Perspectives on Contentious Urban Developments Technical University, Berlin, Germany. October 28, 2011.

“Critical Policy Analysis: Theory, Politics and Methods,” Indian Institute of Management, Ahmedabad, India, September 29, 2011.

“Citizen Deliberation: The Relation of Technical Knowledge to Ordinary Reason,” Southasia Institute for Advanced Studies and the Alliance for Social Dialogue. Kathmandu, Nepal, September 26, 2011.

“Policy Expertise and Policymaking: Comparative Perspectives,” Conference on Experts and the Policy Process: Concepts Experiences and Challenges”, Niti Foundation, Kathmandu, Nepal, September 25, 2011.

“Participatory Governance: Lessons Learned, ” Public Plenary Presentation at the Conference Participatory Governance and Decentralization in Comparative Perspective. Woodrow Wilson Center, Washington, D.C. Telecasted live.

“The Postpositivist Perspective Policy Analysis,” School of Public Affairs, University of Colorado, October 8, 2010.

“Citizens and Experts in the Risk Society: Rethinking Public Deliberation.” Seminar on Political Economy and Social Issues, Columbia University, October 28, 2010l.

“Comparing American and French Approaches in Policy Studies,” Plenary Presentation, Conference on Interpretive Policy Analysis, Science Po, Grenoble, France, June 23, 2010.

“Postpositivist Policy Analysis: Theory and Practice” Lombardi Institute of Government Research, Milan, Italy, May 19, 2011.

The Risk Society: Citizens and Experts in a Reflexive Modernity.” Mellon-Sawyer Public Lecture, Cambridge University, UK, March 17, 2010

“Experts and Citizen in Public Deliberation,” Public lecture sponsored by the Henne Foundation, University of Duisburg-Essen, January 13, 2010.

“Citizens and Expertise in Risk Assessment: The Case of Biotechnology, “University of Vienna, Faculty of the Social Sciences, November 5, 2009

“Citizens and Experts in Risk Assessment: The Politics of Practical Discourse Hertie School of Governance, Berlin, November 11^th, 2009

“Global Environmental Think Tanks: A Discourse Perspective,” with Dieter Plehwe, ECPR, Potsdam, September 12, 2009.

“Passionate Participants: Rethinking Emotion in Policy Deliberation,” Paper presented at the 5^th Annual Conference on Interpretive Policy Analysis, Kassel University, Germany, June 25-27, 2009.

“President Obama: From Electoral Transformation to Economic Crisis,” University of Rome, Sapienza, Institute of Sociology, March 25, 2009. “Scientific Expertise and Citizen Participation: Situating Technical Knowledge in Public Controversies," Conference on Science, Technology and Society, Wellington, New Zealand, December 1, 2008

“Citizen Deliberation in Collaborative Governance: Rethinking the Problem of Expertise and Citizens and Experts,” Australian National University, Research School of Social Sciences, November 26, 2008.

Citizen and Experts in Environmental Controversies: Integrating Technical and Cultural Reason,” University of Griffith, Institute of Public Culture and Ideas, Brisbane, Australia, November 6, 2008.