04/2013: Khalid Malik, Director of the Human Development Report Office, United Nations Development Programme (UNDP, New York)

03/2013: Thomas A. Tass, Executive Director of BORDERPOL

02/2013: Ambassador Eva Åkerman Börje, Chair of the Global Forum on Migration and Development (GFMD)

01/2013: Krum Garkov, Executive Director of the EU Agency for the operational management of large-scale IT systems in the area of freedom, security and justice

12/2012: Alan Shatter TD, Minister for Justice and Equality of the Republic of Ireland

11/2012: Cecilia Wikström, Member of the European Parliament and Rapporteur on the recast of the Dublin Regulation

10/2012: Jose Miguel Insulza, Secretary General of the Organization of American States (OAS, Washington DC)

07/2012: Eleni Mavrou, Minister of the Interior of the Republic of Cyprus

06/2012: Paul Bevan, Secretary General of Eurocities

05/2012: Dr Robert Visser, Executive Director of the European Asylum Support Office (EASO)

04/2012: Prof. Klaus F. Zimmermann, Director of the Institute for the Study of Labor (IZA, Bonn)

03/2012: Christina Werner and Monika Wendleby, Swedish Migration Board and GDISC

02/2012: Petya Nestorova, Head of the Secretariat of the Council of Europe Convention on Action against THB

01/2012: Laurent de Boeck, Director of the African, Caribbean and Pacific (ACP) Observatory on Migration

12/2011: Piotr Stachańczyk, Secretary of State, Ministry of the Interior of the Republic of Poland

11/2011: Kristalina Georgieva, EU Commissioner for International Cooperation, Humanitarian Aid and Crisis Response

10/2011: Prof John Skrentny, Director of the Center for Comparative Immigration Studies, University of California

09/2011: Margareta Wahlström, Special Representative of the UN Secretary-General for Disaster Risk Reduction

07/2011: William Lacy Swing, Director General of the International Organization for Migration (IOM)

06/2011: Ambassador Eduard Gnesa, Chair-in-Office of the Global Forum on Migration and Development (GFMD)

04/2011: Dr Myria Vassiliadou, EU Anti-Trafficking Coordinator, European Commission, Brussels

03/2011: Dr Khalid Koser, Chair of the UK Independent Advisory Group on Country Information (IAGCI)

02/2011: Dr Jacob Rhyner, Director of the United Nations Institute for Environment and Human Security

01/2011: Robert Mocny, Director of US-VISIT, US Department of Homeland Security, Washington D.C.

12/2010: António Guterres, United Nations High Commissioner for Refugees

11/2010: Rob Wainwright, Director of EUROPOL

10/2010: Cecilia Malmström, EU Commissioner for Home Affairs

09/2010: Gen. Brig. Ilkka Laitinen, Executive Director of FRONTEX

07/2010: Cécile Riallant, Head of the EC-UN Joint Migration and Development Initiative (JMDI)

06/2010: Prof. B. Ghosh (Columbia Graduate School of Public Administration) and Ambassador S. Marchi (ICTSD)

05/2010: Patricia Sto Tomas (National Development Bank of the Philippines) and Dilip Ratha (World Bank)

04/2010: Prof. Wiseman Nkuhlu (President of IOE) and NK Singh (Member of the Indian Parliament)

03/2010: Dr. Howard Duncan (Metropolis) and Prof. Michael Keith (COMPAS, University of Oxford)

02/2010: Theodoros Skylakakis, Member of the European Parliament

01/2010: Dr. Forgács Imre, Minister of Justice and Law Enforcement of the Republic of Hungary

12/2009: Dr. Rainer Münz, Member of the EU Reflection Group

11/2009: Juan Fernando López Aguilar, Chair of the European Parliament’s LIBE Committee

10/2009: Peter Hustinx, European Data Protection Supervisor

09/2009: Mario Sepi, President of the European Economic and Social Committee (EESC)

07/2009: Prof. Aleinikoff and Prof. Martin, World Economic Forum’s Global Council on Migration

06/2009: Tobias Billström, Minister of Migration and Asylum Policy of Sweden

05/2009: Prof. Rainer Bauböck, Director of the EU Observatory on Citizenship (EUCITAC)

04/2009: Gottfried Zürcher, Director General of ICMPD

03/2009: Pirkko Kourula, Director of the Europe Bureau, UNHCR

02/2009: Lisa S. Roney, Director of Research, USCIS, US Department of Homeland Security

01/2009: Morten Kjaerum, Director of the European Union Agency for Fundamental Rights (FRA)

11/2008: Eva Biaudet, OSCE Special Representative for Combating Trafficking in Human Beings

10/2008: Chris Hedges, Chair of the European Committee on Migration (CDMG), Council of Europe

09/2008: Prof. David Metcalf, Chair of the United Kingdom Migration Advisory Committee

07/2008: Martin Parry, Co-Chair, Working Group on Impacts, Adaptation and Vulnerability, IPCC

06/2008: Esteban B. Conejos, Chair of the Second Global Forum on Migration and Development

05/2008: Prof. Richard Black, Co-Director of the Sussex Centre for Migration Research

03/2008: Peter Veld, Director General of the Dutch Immigration and Naturalisation Service

02/2008: Prof. Philippe De Bruycker, Coordinator of the Odysseus Academic Network

01/2008: Louis Michel, EU Commissioner for Development and Humanitarian Aid

12/2007: Dragutin Mate, Minister of the Interior of the Republic of Slovenia

11/2007: Dr. Ian Micallef, President of the Chamber of Local Authorities of the Council of Europe

10/2007: Hervé Carré, Director General of Eurostat (European Commission, Brussels)

09/2007: Abdel-Hamid Mamdouh, Director of the Trade in Services Division, WTO (Geneva)

07/2007: Dr. Wolfgang Schäuble, Minister of the Interior of the Federal Republic of Germany

06/2007: Jonathan Faull, Director General for Justice, Freedom and Security, European Commission

05/2007: Koos Richelle, Director General of EuropeAid (European Commission, Brussels)

04/2007: H.E. Régine de Clerq, Ambassador for Migration and Asylum of the Kingdom of Belgium

03/2007: John P. Martin, Director for Employment, Labour and Social Affairs of the OECD (Paris)

02/2007: Dr. L. Alan Winters, Director of the Development Research Group of the World Bank

01/2007: Michele Clark and Shivaun Scanlan, OSCE (Vienna) and ODIHR (Warsaw)

12/2006: Brunson McKinley, Director General of the International Organization for Migration (IOM)

11/2006: Frans Bouwen and Philip Rudge, The Hague Process on Refugees and Migration

09/2006: Peter Sutherland, Special Representative of the UN Secretary-General for Migration

07/2006: Kari Rajamäki, Minister of the Interior of the Republic of Finland

05/2006: Peer Baneke, General Secretary of ECRE

04/2006: Karel Kovanda, Special Representative of the European Commission for Readmission Policies

03/2006: Paul de Guchteneire, Chief, International Migration Section, UNESCO (Paris)

02/2006: Barbara Hendricks, UNHCR Lifetime Goodwill Ambassador

01/2006: Tony McNulty MP, Minister of Immigration, Citizenship and Nationality of the United Kingdom

12/2005: Liese Prokop, Minister of the Interior of the Republic of Austria

10/2005: Franco Frattini, EU Commissioner for Justice, Freedom and Security

09/2005: Eduard Gnesa, Director of the Swiss Federal Office for Migration

08/2005: Janna Valik, Director General of the Swedish Migration Board

07/2005: Dr. Howard Duncan, Executive Director of Metropolis (Ottawa)

06/2005: Günter Piening, Commissioner for Integration and Migration of the Berlin Senate

05/2005: Trygve G. Nordby, Director General of the Norwegian Directorate of Immigration

04/2005: Manolo Abella , former Director at the International Labour Office (ILO, Geneva)

03/2005: Antonio Cavaco, Director General of ECHO, European Commission (Brussels)

02/2005: Rob Visser, Director General for International Affairs and Immigration, Dutch Ministry of Justice

01/2005: Dr. Walter Kälin, Representative of the UN Secretary-General on Internally Displaced Persons

12/2004: Simon Tonelli, Head of the Migration Division at the Council of Europe (Strasbourg)

11/2004: Raymond Hall, Director for Europe, United Nations High Commissioner for Refugees (UNHCR)

10/2004: Dr. Erhard Busek, Special Coordinator of the Stability Pact for South Eastern Europe

09/2004: Joel Budd, The Economist (London)

07/2004: Margus Leivo, Minister of the Interior of the Republic of Estonia

06/2004: Dr. Christopher Hein, Director of the Italian Council for Refugees; former Chairman of ECRE

05/2004: Robert J.E. Evans, Member of the European Parliament

04/2004: Dr. Jeff Crisp, Director of Policy and Research, Global Commission on International Migration

03/2004: Richard E. Norton, Executive Vice President of the National Biometric Security Project (NBCP)

02/2004: Dr. Frank Laczko, Head of the Research Division, International Organization for Migration