Mr. Stonebraker, the Founder and Managing Director of DSI, has over 22 years of experience in the Design, Consulting, and Engineering of Curtain Wall and Cladding Systems. Between 1984 and 1994, he engineered and designed the first structurally glazed unitized systems to be installed in Taiwan, Malaysia, Singapore, and Indonesia and designed the seismic expansion anchor, now widely used in high-rise buildings in Asia.