Youngho Yoon is a Senior Researcher in National Institute of Crop Science, Rural Development Administration (RDA) in South Korea. He has been devoted to the study of development of buckwheat variety and post-harvesting of miscellaneous grain crop such as sorghum, millet and buckwheat. He has contributed a wealth of information concerning functionality through his research of tatary (bitter) buckwheat. Recently, he has interested in the stable production of upland farming and the promotion of agricultural mechanization. He is acting as Assistant Administrator of ‘Mechanization in Upland Farming and Value Added Agriculture’ project at RDA.