About Lee Soo-man
Lee Soo-man is a South Korean business executive and record producer who is best known for being the founder of SM Entertainment, a multinational entertainment company based in Seoul. He has also been referred to as the "president of culture", as one of the pioneers of the Korean Wave. Lee debuted as a singer in 1971 while he was a student at Seoul National University. In 1989, he founded SM Entertainment, which has since become one of the largest entertainment companies in the country. Lee Soo-man (Korean: 이수만, born 18 June 1952) is a South Korean business executive and record producer who is best known for being the founder of SM Entertainment, a multinational entertainment company based in Seoul. Lee Soo-man was also known for his trio with singers Lee Moon-sae and Yoo Yeol called Masamtrio (馬三트리오), named as such because of their appearances that resemble that of a long face of a horse. He became known for hit songs such as "행복 (Happiness)", released in 1978, and "한송이 꿈 (A Piece of Dream)" released in 1976.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.