Communication titled “Algunas estrategias para la virtud cosmopolita. Some strategies for the cosmpolitan virtue” presented in the XXII World Congress of Philosophy of Law and Social Philosophy. Granada. 2005.
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Communication “Una aproximación aristotélica a la deliberación en casos trágicos”,An aristotelian aproximation to the deliberation in tragical cases, XXI Jornadas de la Sociedad
Lecture “Algunas paradojas sobre inmigrantes“Some paradoxes on inmigrants, Seminar about inmigration, American University – Universidad Carlos III de Madrid, 14 March 2008.
Lecture “Racial equality in Spain” in Meeting UE China on Human Rights, Pekín, November 2008.
Lecture “Balance del proceso democratizador de México 1988-2009”, COPUEX –UNAM, Universidad Carlos III de Madrid, 5 November 2009.
Lecture, II Seminario Internacional del Observatorio Judicial Electoral, Tribunal Electoral del Poder Judicial de la federación, 17, 18, 19 november 2009.
Lecture, Jornadas Internacionales del Taller de Derechos Políticos, Instituto Electoral del Estado de Guerrero, 20 november 2009.
Communication “Inmigración, fronteras y ética de la alteridad”, Ius migrandi, frontiers and ethics of alterity, Comunicación a la Mesa “Justicia social, cosmopolitismo y derecho a migrar” en las III Jornadas sobre Políticas Migratorias, CSIC, 27-29 October 2010.
“La paradoja de la democracia deliberativa y el discurso de las virtudes cívicas” The paradox of deliberative democracy and the speech of civic virtues in Workshop “El republicanismo cívico: propuestas para recuperar la virtud cívica y el compromiso ciudadano” en la 17 Semana de Ética y Filosofía Política “Nosotros y los Otros”, San Sebastián, 1-3 de June 2011.
Communication “What kind of theoretical agreements are needed in resolving judicial cases?” in the Wokshop Legal Judgment en 25 IVR Wold Congress of Philosophy of Law, Frankfurt, 18th August 2011.
Discussant y Co-Chair in the Workshop “Global governance and citizens political participation” in XXII World Congress of Political Science, IPSA, Madrid, 8th July 2012.
Comunication “Deliberative democracy v. Politics of identity” in Workshop “Deliberating collective identities in Post-conflict societies” XXII World Congress of Political Science, IPSA, Madrid, 9th July 2012.
“Some remarks on a Post-secular Europe”, International Conference “Europe We make: Geopolitical dimension on European integration”, RANEPA Rusia, Departamento de Derecho Internacional, Eclesiastico y Filosofía del derecho, 28 June 2016.
Chair y Discussant Panel “Deliberative democracy and civic virtues”, World Congress, IPSA, Poznan Poland, 23-8 July 2016.
Comunication “Post-secular societies, Free speech and religion” Panel Secularism Post-secularism and human rights, World Congress, IPSA Poznan Polonia, 23-28 jJuly 2016.
“On reasonable accomodation in Europe”, International Conference “International mechanism ensuring European unity and sustainability” RANEPA Rusia, Departamento de Derecho Internacional, Eclesiástico y Filosofía del derecho, 29 November 2016.
“On reasonable accomodation by reiligious beliefs or practices. A promising concept for European Law?”, Comunication presented at the Workshop Law and religion in the IVR Congress on International Association of Philosophy of Law and Social Philosophy, Lisbon, 17-21 July 2017.
Video conferencia «Inmigrantes y prisiones», I Reunión Interinstitucional sobre Régimen Penintenciario y Migración, Santo Domingo, 26 febrero 2019.
Seminar «Blasphemy as a thick concept», Iuris North, Manchester Law School, 27 February 2019.
Comunication “Can the internet change human rights on online hate speech regulations?”, Symposium “Current issues on human rights”, IPSA RC26 on human rights, Universidad Carlos III de Madrid, 23-24 May 2019.
Discussant panel on cultural rights Symposium “Current issues on human rights”, IPSA RC26 on human rights, Universidad Carlos III de Madrid, 23-24 May 2019.
Academic secretary Symposium “Current issues on human rights”, IPSA RC26 on human rights, Universidad Carlos III de Madrid, 23-24 May 2019.
Communicatión “On political correctness”, Special Workshop 32 “Democracy, free speech and minorties,” in the 29th World Congress of the IVR International Association for Philosophy of Law and Social Philosophy, Lucerne, Switzerland, 9 July 2019.
Chair and discussant at the Special Workshop 32 “Democracy, free speech and minorties,” in the 29th World Congress of the IVR International Association for Philosophy of Law and Social Philosophy, Lucerna, Suiza, 9 julio 2019.
Speaker «Free speech and right to protest from and human rights perspective», Eighth Annual International Conference of the Departament of Applied Political Science, «The October Readings 2019, Higher School of Economics, Russia, 17-19 October 2019.
Chair at the panel «Human rights and international relations» y discussant en el panel «Human rights in Post-colonial and Post-soviet countries»,Eighth Annual International Conference of the Departament of Applied Political Science, «The October Readings 2019, Higher School of Economics, Russia, 17-19 October 2019.
«On recognition» at the International webinar «Struggles for recognition. Cultural pluralism and rights of minorities», 18 July 2020. at the International webinar «Struggles for recognition. Cultural pluralism and rights of minorities», 18 July 2020.
Chair of the sessions «Minorities and immigration» «Animal rights and intercultural application of Law», «Indigenous Law and indigenous rights, at the International webinar «Struggles for recognition. Cultural pluralism and rights of minorities» 16 July-4 August 2020.
Video-Conference “Racismo y libertad de expresión”, Universidad Nacional de Trujillo, Perú, 9 October 2020.
Speaker “Corrupción y rendición de cuentas”, Imposio online internacional de políticas publicas con enfoque de derecho humanos, CEFICAP. Instituto Peruano de Derecho y gestión pública, 2 April 2021.
Conference online “Cultural pluralism and rights of minorities. Inclusion, Redistribution and Recognition”, Universidad Adam Mickiewicz, Posnan Polond, 31 May 2021.
Course online “Corrupción y rendición de cuentas”, Instituto Nacional de Capacitación Académica, Pere, 5 sessions, June/July 2021.
Conference “online” “Foreign policy and the Internet”, Conference “Human Rights and Foreign Policy”, International Studies Association, American Political Science Association, and the European Consortium for Political Research. School of Social Sciences, University of Dundee Scotland, 14-16 June 2021.
Discussant “online” panel “Human rights in global times”·, Conference “Human rights and foreign policy”, International Studies Association, American Political Science Association, and the European Consortium for Political Research, School of Social Sciences, University of Dundee Scotland, 14-16 June 2021.
Comunication and Chair “online” “Free Speech and Internet: Is There a New Interpretation for Human Rights?”, Panel “Freedom of Speech, Minorities and Internet”, IPSA Virtual World Congress , 12 July 2021.
Speaker “Free speech and Internet: Is there a New Interpretation for Human rights? With a Special reference to Chinese and Russian Approaches on Internet Regulations”, International webinar “Free speech, democracy and rights of minorities” Sesión: “Legal cultures on tree speech and Internet, 7 July 2021.
Chair and Discussant “online”“Democracy, hate speech and (mis) information” and “Legal cultures on free speech on Internet”, International webinar “Free speech, democracy and rights of minorities”, 7 and 26 July 2021.
Academic Directo“online” “Free speech, democracy and rights of minorities·, International webinar “Free speech, democracy and rights of minorities, July 2021
Speaker online “Libertad de expresión y lenguaje del odio: enfoque comparado y ponderación de casos”, Conferencia en Centro de Equidad de Género e Inclusión, UDEM, Universidad de Monterrey (México), 25 June 2021.
Speaker online “Rendición de cuentas: revisión de ejemplos exitosos”, Seminario internacional de Derecho Público, Universidad de Chile. Facultad de Derecho, 18 October 2021.
Speaker online “Corruption and accountability” en el IPSA RC26 IPSA International Symposium «How Have the Years 2020-2021 Changed the World?”, Faculty of Political Science and Journalism (Adam Mickiewicz University in Poznan), Posnan, 9-10 December 2021.
Member of the Organising Committee, Scientific Committee and chair of a plenary session of the IPSA RC26 IPSA International Symposium „How Have the Years 2020-2021 Changed the World?” , Faculty of Political Science and Journalism (Adam Mickiewicz University in Poznan), Posnan, 9-10 December 2021.
Keynote speaker online “Constitutionalism and populist majorities” in the I International Congress on culture of peace and human rights — in scope of democratic values, Ratio Legis, Univesidade Autonoma de Lisboa UAL, Lisboa, 19 May 2022.
Member of the Scientific Commitee of the I International Congress on culture of peace and human rights — in scope of democratic values, Ratio Legis, Univesidade Autonoma de Lisboa UAL, Lisboa, 19 May 2022.
Speaker online “The latest legislation in Spain on animal rights”, Congress Europe XXII, Colegium Pollonicum W Subliach, 24 June 2022.
Speaker/interview in the South Asia Research Institute for minorities sobre «Wavering Struggles for the Minorities and Marginalized Community» ,16 November 2022.
Speaker “Online hate speech on persons with disabilities” in webinar Digital inequalities, IPSA RC26 on human rights, Carlos III University of Madrid, 6 December 2022.
Chair and discussant in the webinar Digital inequalities, IPSA RC26 on human rights, Carlos III university of Madrid, 6 December 2022.
Academic director of the webinar Digital inequalities, IPSA RC26 on human rights, Carlos III university of Madrid, 6 December 2022.
Moderator, Human rights day seminar on Russia and Ukraine conflict, Research Committee 26 on human rights, 9 December 2022,
Keynote speaker “Paradigms of equality. Inclusion, Redistribution and Recognition”, Human rights day, Department of human rights, S. Kula Women’s College in collaboration with the Department of human rights, Naorem Birahari College, Manipur, India, 10 December 2022.
Speaker in the international webinar “Promoting Culture of Pluralism, Tolerance, and Non-Violence in South Asia through Inter Community and Inter Faith Dialogue”, South Asia Research Institute for minorities, 23 May 2023.
Communication «How Can False Information Impact Democracy?» in the workshop «Political Speech, Human Rights and Technology» in the Buenos Aires World Congress of the International Political Science Association IPSA. 16 July 2023.
Chair of the workshop “Challenges for Human Rights in the Context of the Global Order Transformation” and discussant of the workshop «Political Speech, Human Rights and Technology»>in the Buenos Aires World Congress of the International Political Science Association IPSA, 16-17 July 2023.
Session Chair, Panel Convenor, Rc26 On human rights, n the Buenos Aires World Congress of the International Political Science Association IPSA, 15-19 July 2023.
“The Legal and Political Implications of Fake News: Balancing Free Speech, Democracy, and Information Integrity”, Constitutional Law Colloquium, Chicago Loyola University, 9-10 November 2023.
Keynote speaker en el Webinar on International Day for human rights: “The Role of the UDHR in the Contemporary World. Freedom, Equality and Justice for All”, Keynote speaker: DR. Fernand de Varennes, UN Special Rapporteur on Minority Issues, IPSA RC26 on human rights, 11 December 2023.
Participation online “Some comments on Greco report of Spain 2022 in respect of members of Parliament, judges and prosecutors”, 24rd International Acedemic conference in the series Europe of the 21St century, Collegium Polonicum Slubice Poland, 1 February 2024.
Distinguished Lecture online “Hate speech in global times”, Yogi Vemana University, Kadapa, India, 27 March 2024.