::1986  CIHA XXVI International Congress of Art History, Washington D.C.
Self Representations of Romanesque Sculptures.

::1989 23rd International Congress of Medieval Art, Western Michigan University. Organizer of two sessions: Manifestations of Lay and Popular Culture in Romanesque Art.
Paper: The Struggle and Triumph of Church and Burghers in the Romanesque Sculpture of Le-Puy Cathedral.

::1990  Contexts and Codes of Gothic Marginal Sculpture.
24th International Congress on Medieval Art, Western Michigan University.

::1990  Emotional Woman in Marginal Romanesque Sculpture.
78th Annual Conference of the College Art Association New York,  N.Y.

::1991 The Persistent Image of Marginal Women in Medieval Sculpture in France.
Matrons and Marginal Women. Penn State University, Medieval Institute, annual conference.

::1991  Popular Culture in Ecclesiastical Art. The Israeli Historical Society.

::1992  The ''Cry'' and the Image of Women in Early Medieval Art. Tel Aviv.

::1993   The Portal of St. John in Sens Cathedral. In 118e Congrès de Societés Historiques et Scientifiques. Pau, France.

::1994   Organizer of two sessions: Center and Periphery in Medieval Art. Chair
(Participation of 5 Ph.D. candidates, Tel Aviv University).
29th International Congress on Medieval Art, Western Michigan University

::1995   The Return of the Crusader, between Official and Popular culture.
International Congress of Medieval Studies.Leeds.LeedsUniversity, Center for Medieval Studies.

::1995   The Relationship between the Cathedral of Sens and Sebaste.
The 83 annual conference College Art Association, San Antonio, U.S.A.

::1995  The Miserables in the Cathedral: Victor Hugo's Notre Dame de Paris.
In International Conference ''The Painted Word,'' Groningen University, The Netherlands.

::1996  Sculpture High Up: The Forgotten Meanings of Memorial Sculpture.
In: Memory and Oblivion: XXIX International Congress of Art History, Amsterdam.

::1998   Congresso internationale di studi storico artistici, Ariano  Irpino (Italy) 17-18 September 1998.
Paper : The crusades and the Holy land : Issues of artistic activity.

::1999  The metamorphosis of marginal images : From antiquity to present time.
Tel Aviv Uni. Kipp and Bloch chairs. January 1999.

::2001  Ravenna- Le copie dei mosaici medievali di San Giovanni Evangelista. April 2001.

::2002   International conference on design history and design studies. Istanbul 9-12 July 2002.
Paper : Center and Periphery - 3 generations of Armenian ceramics.

::2002 Culture Politique des Plantagenets (1154-1224). Colloques mai 2-5 2002.
Lecture : Eleonor of Aquitaine as patron of the arts. Poitiers , France. 

::2003  Colloque internationale a la conference de moyen agein honor of the 50 years of the center. Poitiers, September 1-4.
Lecture : The murals in Chinon.

::2004 International conference : Society for the study of the crusades and the Latin east.
"1204 and its historical memory".
Session : Commemorating the Crusade and artistic Patronage. Istanbul, Bogazici University, August 25-30 September.

::2004  Jerusalem and the Armenians, International conference, UCLA, Los Angeles November, 5-7.
Paper: Three generations of Armenian ceramics artists in Jerusalem, since 1919.

::2004 to the present: participation in numerous international and local conferences from Leeds and Poitiers to Jerusalem and Nazareth.