Chan-Ryul PARK is a director of Livable Urban Forests Research Center, NIFoS located at Seoul, Korea, also he is a forest ecologist, especially in urban forests and birds. He received his Ph.D. in the Department of Forest Resources, Seoul National University, and holds B.S. and M.S. degrees in Seoul National University. Dr. Park’s research and professional activities center on the following areas: 1) Quantify the value of urban forests and suggest management discipline of urban forests 2) Elucidate the ecosystem service of biodiversity at urban forests and traditional villager groves 3) Interaction networks among plant, insect and birds