Berlin has been working in bronze for almost 30 years. Sculpting large scale in modelled clay or wax with steel armature, his themes explore the human figure, adding a contemporary discussion to this classical medium.
Berlin's works feature heroically scaled portrait heads cast in glass. The artist's use of the inner space of translucent glass allows him to express the inner soul of the human being while simultaneously depicting the outer appearance of the human form. Berlin's solid glass portraits are among the largest ever cast.