Sung Si Kyung (성시경; born April 17, 1979 in Seoul, South Korea) is a Korean ballad singer and actor. He is well known for his soft voice and gentle and elite image. He's undergraduate education (Bachelor of Arts in Sociology) took place at the prestigious Korea University, after which he received Master of Arts in Journalism and Mass Communication from the same university. He has also appeared in a number of TV shows including Korean dramas (soap operas) and entertainment shows, gaining favorable response from the public.