Glenn Ahrens is Extension Forester, Oregon State University Extension Service, Clackamas, Marion, and Hood River Counties, and Director, OSU Hardwood Silviculture Cooperative. His general mission for OSU Extension is to improve our knowledge of forest resources and options for sustaining and expanding benefits from forests. Glenn has a B.S. in Forestry from Humboldt State University (1982) and an M.S. in Forest Science from Oregon State University (1990). He has over 30 years of experience in research, Extension, and private consulting. Glenn’s areas of specialty include forest ecology, silviculture, vegetation management, and hardwood management.