Choi Gee-sung (Korean: 최지성; RR: Choe Jiseong; born 2 February 1951)[1] is President and Chief Executive of the digital media division at Samsung Electronics, overseeing the third-largest business group of the South Korean company, which includes televisions, flat-panel screens, MP3 players, personal computers, and other consumer electronics.

[1] Choi had a stint as chief design officer and established Samsung's chip business in Europe in the 1980s.

He is best known as a marketing expert, however, and is credited with having steered Samsung past Sony (SNE) to become the world's No.

Choi took over the running of Samsung's mobile phone business in January 2007.

By September 2008, the company's global market share stood at 17.1%—second only to Nokia and up from 14.4% in 2007.