Friday 23rd October 2009. Illinois Institute of Technology, Chicago. Russell Huffer, Chairman and CEO of Viracon’s parent company, Apogee Enterprises, presents at the CTBUH 2009 Chicago Conference. Many believe that the envelope of a tall building has a significant role to play in responding to climate change. The tall building envelope certainly has a major influence on overall building performance, or sustainability, as well as its aesthetic or design appeal. In this presentation we hear from the CEO of one of the world’s largest suppliers of façade materials — Viracon — on what strategies can be developed with respect to envelope.