Sir Keith Murdoch was knighted in 1933. He began his career in journalism with the Melbourne Age as a correspondent for the district of Malvern. In 1907 he left for London where he attended the London School of Economics, and returned to Melbourne in 1910 as a staff reporter for the Age.
In 1912 Keith became a political correspondent for the Sydney evening Sun, and then in 1915 he transferred to London as Managing Editor of the United Cable Service of the Sun and Melbourne Herald. He was then commissioned to go to Gallipoli as war correspondent.
In 1942 Keith became Chairman of Directors of the Herald and Weekly Times, and Director of The Herald, Sun News-Pictorial, and associated publications.