. . . the facade represents a concept of magnetic geometry, it causes a continually shifting, shimmering, alluring perception . . . - Ben van Berkel on the design for the Galleria Department Store in Seoul, South Korea. Ben van Berkel studied architecture at the Rietveld Academie in Amsterdam and at the AA. Together with Caroline Bos he set up Van Berkel & Bos Architectuurbureau in 1988. Ten years later they established UN Studio (United Net), a network of specialists in architecture, urban development and infrastructure. Their projects include a restructuring of the station area of Arnhem and a music theatre for Graz. Ben van Berkel is visiting professor at Princeton University, leading the Public Construction unit.