1981: International School of Subnuclear Physics: Unification of the Fundamental Interactions, Erice, Italy.
1982: School on Supersymmetry and Supergravity, ICTP, Triest, Italy.
1984: Jerusalem Winter School on Theoretical Physics: Astrophysics and Particle Physics.
1985: Jerusalem Winter School on Theoretical Physics: Physics in Higher Dimensions.
1985: International Europhysics Conference on High Energy Physics, Bari, Italy.
1986: 5th Adriatic Meeting on Particle Physics: Superstrings, Anomalies and Unification, Dubrovnik, Yugoslavia.
1986: 11th International Conference on General Relativity and Gravitation, Stockholm, Sweden.
1988: Winter School on Cosmology and Particle Physics, Schladming, Austria.
1988: Summer Workshop on High Energy Physics and Cosmology, ICTP, Triest, Italy
1989: Jerusalem Winter School on Theoretical Physics: Quantum Cosmology and Baby Universes.
1989: 12th International Conference on General Relativity and Gravitation, Boulder, Colorado, USA.
1990: Jerusalem Winter School on Theoretical Physics: 2D Quantum Gravity and Random Surfaces.
1993: Network Meeting in “Theoretical Theory”, NORDITA, Copenhagen.
1996: Summer School on High Energy Physics and Cosmology, ICTP, Triest, Italy.
1996: Jerusalem Winter School on Theoretical Physics: Dualities and Symmetries.
1997: Eighth Marcel Grossmann Meeting on General Relativity, Jerusalem, Israel.
1999: Jerusalem Winter School on Theoretical Physics: String Theory at the Turn of the Millenium.
2002: International Conference on Theoretical Physics (TH2002), Paris.
2002: Moshe Flato Colloquia in Mathematics and Physics, Ben-Gurion University, Beer Sheva, Israel.
2003: Tenth Marcel Grossmann Meeting on General Relativity, Rio de Janeiro.
2004: Sixth Alexander Friedmann International Seminar on Gravitation and Cosmology, Cargese, Corsica.
2004: 17 th International Conference on General Relativity and Gravitation, Dublin.
2005: Yuval-Fest. 2 day Symposium in honor of the 80th Birthday of Yuval Ne'eman, Tel-Aviv University, Israel.
2005: COSMO 05. 9th International Workshop on Particle Physics and the Early Universe, Bonn.
2006: Solar and Stellar Physics Through Eclipses, SIDE, Antalya, Turkey.
2006: Eleventh Marcel Grossmann Meeting on General Relativity, Berlin.
2007: Moshe Flato 2007 Colloquia in Mathematics and Physics, Ben-Gurion University, Beer Sheva, Israel.
2007: Journees Tourangelles de Relativite and Workshop: Knots and Vortons, Tours, France.
2007: PASCOS-07: 13th International Symposium on Particles, Strings and Cosmology and Salam + 50 Conference , Imperial College, London.
2008: Black Holes: A Landscape of Theoretical Physics Problems. CERN Theory Institute, CERN, Switzerland.
2009: Twelfth Marcel Grossmann Meeting on General Relativity, Paris.
2009: COSMO 09. International Workshop on Particle Physics and Cosmology, CERN, Switzerland.
2010: NEB 14. Recent Developments in Gravity, Ioannina, Greece.
2010: 3rd Winter School on Geometry&Physics, Odense, Denmark.
2011: PASCOS-2011: 17th International Symposium on Particles, Strings and Cosmology, Cambridge, UK.
2011: The 29th Jerusalem Winter School on Theoretical Physics: Current Trends in Particle Physics and Cosmology.
2012: Thirteenth Marcel Grossmann Meeting on General Relativity, Stockholm.
2012: Forty Years of Black Hole Thermodynamics, Jerusalem.
2013: COSMO 2013. International Workshop on Particle Physics and Cosmology, Cambridge, UK.
2013: 20th International Conference on General Relativity and Gravitation (GR20), Warsaw, Poland.
2014: PASCOS-2014: International Symposium on Particles, Strings and Cosmology, Warsaw, Poland.
2015: 9th Friedmann Seminar, St.Petersburg, Russia.
2015: Karl Schwarzschild Meeting 2015, Frankfurt Institute for Advanced Studies, Frankfurt.
2016: Cosmic Strings @ Brazil, University of Sao Paulo, Sao Carlos, Brasil.
2016: Bekenstein Memorial Conference: The Life and Science of Jacob D. Bekenstein, Mitzpe Ramon, Israel.
2017: Gravity – New perspectives from strings and higher dimensions, Benasque, Spain.
2018: Gravity@Malta 2018, COST Action “Gravitational waves, black holes and fundamental physics”, Valletta, Malta.
2018: The Fifteenth Marcel Grossmann Meeting on General Relativity, Rome
2019: PASCOS-2019: 25th International Symposium on Particles, Strings and Cosmology, Manchester, UK.
2019: the 22th International Conference on General Relativity and Gravitation (GR22), Valencia, Spain.
2019: Fourth CANTATA Meeting: Cosmology and Astrophysics Network for Theoretical Advances and Training Actions - COST Action CA-15117, Tuzla, Bosnia.
2020: 3rd meeting of the GWVerse COST action (CA-16104): Gravitational Waves, Black Holes and Fundamental Physics, Triest, Italy.