A registered architect, Greg is also Director of the School’s Centre for Sustainable Architecture with Wood (CSAW), a broad, multidisciplinary research and education group that aspires to be a national leader in sustainable architectural design, building and applications with wood.He is also a timber design and production specialist. Since 1994, Greg has researched and published widely on timber in sustainable design, the environmental aspects of construction and building performance, and the broader production and use of renewable materials in the built environment. He has recently been involved with modular timber construction and the use of CLT in multistorey residential building in Tasmania. In addition to work in current and past building design with timber, Greg is also involved in efforts to gain the most from Australia's plantation hardwood resources.