Simon Bell is a forester and landscape architect. He is Senior Research Fellow at Edinburgh College of Art, where he is a director of the OPENspace research centre, Associate Professor at the Estonian University of Life Sciences and also a landscape consultant. He was formerly Chief Landscape Architect to the British Forestry Commission and is involved in research, teaching and project landscape design.
Dean Apostol is a landscape architect and ecological restorationist with 30 years of experience. He teaches at University of Oregon, and is presently active in the design of a new city (Damascus, Oregon). He was chief landscape architect for Mt Hood National Forest in Oregon, and has been active in the Society for Ecological Restoration International. He recently edited Restoring the Pacific Northwest: the art and science of ecological restoration in Cascadia.