K-pop has been known around the world not only for the groups and individuals who make good music but also to the agencies that manage them.
SM Entertainment is known a one of the big three entertainment agencies in Korea.
How did their CEO Lee Soo Man make a successful reign and have contributed with the rise of SM Entertainment?
https://www.kpopstarz.com/articles/79913/20140216/sm-entertainment-lee-soo-man-girls-generation-exo-super-junior.htm