Professor Verzar's area of expertise is the History of Medieval Art, with specializations in Italian Medieval Art, the History of Public Monuments and the East-west Connections during the Crusades. In addition to being an authority on Romanesque sculpture and architecture in Italy, she has published on the public monuments in medieval city squares, issues of text and image in Romanesque sculpture, and late medieval sculpture in Germany. She has served on the board of the International Center of Medieval Art, Assaph (Tel Aviv University) and Fifteenth Century Studies. She has lectured extensively in North America and abroad in Switzerland, France, Italy, Israel and Germany and she has served as an evaluator of medieval works of art for the Detroit Institute of Arts, the Metropolitan Museum of Art and the San Francisco Museum of Art.