All Speakers Speaker Silja Tillner Position: Director Company: Tw-arch Silja Tillner is an architect and urban designer who works in the historical context, the energy-efficient refurbishment of listed buildings and the urban revitalization of existing districts. She founded an architecture office in Vienna in 1995, which became well-known for the multi-award-winning project URBION, (URBan RevitalizatION) for the Gürtel Ring Road in Vienna, since 2007 in partnership with Alfred Willinger on urban design projects, refurbishments, residential and mixed-use buildings. Sessions Wed 23 Apr 11:40 - 12:20 AUDITORIUM LIGNUM TECH The Austrian model Wed 23 Apr 15:30 - 16:15 AUDITORIUM AEDAS HOMES Social housing in Vienna. A world reference