He bagged 304 votes and won with a majority 50 against Mohd Khir Toyo (254) and Mukhriz Mahathir (232).
In a battle touted to be between the scions of top two political families, the son-in-law of outgoing Prime Minister Abdullah Ahmad Badawi, has beaten Mukhriz Mahathir, the son of former premier Tun Dr Mahathir Mohamad.
The contest for the Umno Youth chief post was close enough for a recount of votes following objections raised by the candidates.
In his first press conference as the Youth wing chief, Khairy said that he wanted everyone to close ranks to work hard for the movement.
"We made history today where the spirit of democracy was highly practised. This reflects the maturity of this movement," he said.
"It was a fierce three-cornered fight. What is most important is not the contest but for members of the wing to close ranks," he said.- Malaysiakini
Earlier report here.