Participation at international congresses:

Theatre Sessiones at the International Theatre Institute (I.T.I.), in the framework of the “IXth. Septiembre Musical Tucumano”.Tucumán, Argentina, 1969.
“Sixth Working Session of the Music Theatre Committee of the International Theatre Institute (I.T.I.), Lodz, Poland, 1974.
“Salzburg Seminar, Session 234”. “Opera. The current status of opera and the problems it will face in the future.” Salzburg, Austria, 1984.
"International Writers Colloqium" - "Re-encounter of Sepharad and Iberic America in Israel - 500 years later", 8-15 /3/1292, organized by International Assoiacion pf Jewish Writers in the Hispanic and Portuguese Languages. Hebrew University, Jerusalem.
“IVth. International Congress on Ibero-American and Argentine Theatre”. Buenos Aires, Argentina, 1995
“Vth. International Congress on Ibero-American and Argentine Theatre”. Buenos Aires, Argentina,1996
“Congrès International des Arts et de la Medecine”. Lyon, France, 1996.
“1st. Eurolyrica Congress” Florence, Italy, 1997
“Salzburg Seminar, Session 352”. “Music for a New Millenium. The Classical Genre in Contemporary Society” Salzburg, Austria, 1997.
“The Frederick Loewe Conference - Music in the Performing Arts”, organized by the Department of Theatrical Studies at the Hebrew University, Jerusalem, Israel, 2001.
"Jules Verne meeting on Science and Imagination", Sde Boker College, Israel, 2005.
"14th. World Congress of Jewish Studies", Jerusalem, Israel 2005.