Preston Walberg has a background in anthropology and over two decades of experience in project management and construction. He is a co-founder of the Green Community Hub, a community stakeholder outreach platform aimed at integrating cleantech into building infrastructure.  With PortalDesigns, Preston's vision is to identify the inherent value of high quality materials that are no longer appreciated for their worth, and to put them back into a context of value.  Preston is an active participant and contributor on various aspects of sustainability, green building and circular economy on LinkedIn & Twitter.