David is based in Washington, DC where he specialises in the fire safety of mass timber buildings. For over 25 years he has assisted with fire testing, developing new timber technologies, authoring fire safety design guides, working with timber product suppliers and completing fire safety solutions for mid-rise and high-rise timber buildings. David leads a global team within Arup that works with researchers, architects and developers in the fire safety of timber structures. Currently David is working with project teams on mass timber buildings located throughout the US and internationally.