Matthias is an experienced design leader, sustainable design expert, keynote speaker, and author with 26 years of professional expertise. He is a registered architect with an undergraduate degree in material science who led the design of several tall, high-profile mixed-use, commercial office and residential buildings of up to 900ft (275m). Matthias is an expert in mass timber design and the recipient of a Seattle AIA Honor Award for an innovative mass timber high-rise building. He has built a competitive, sustainable design practice for a large, global architecture firm by spearheading firm-wide sustainable design strategic plan: internal programs, marketing, tool development, and staff design training. Matthias is the design director for architecture, at B+H in the USA. He recently led the design of a long-span bridge in mass timber-steel hybrid construction and is currently working on several mass timber mixed-use developments in Seattle.