Mr. MacDonagh co-founded The Kestrel Design Group, Inc. in 1989 with Elisabeth I . Ryan to provide specialized services in ecological, sustainable and interpretive design. He specializes in the restoration of plant communities and natural areas, and the creation of wildlife habitat, sustainable design, and ecological stormwater management.
He has lectured at over 200 regional and national & international conferences including in: Ireland, UK, Canada, Portugal, Costa Rica, HongKong and Singapore; authored over a dozen technical publications and has been a natural resource content specialist on a number of television shows. Morton Arboretum, Chicago, IL. Minnesota Landscape Arboretum. U of MN, College of Architecture and Landscape Architecture, Adjunct Faculty, Grad School.
Urban Trees, Green-roofs, Urban Trees & Stormwater, Green Infrastructure, Soil Analysis & Soil Amendments, Wetland & Shoreland Restoration, Landscaping for Wildlife