He said this week that he wanted to make the paper's Monday edition an agenda-setting read: 'My responsibility stretches from the UK to Europe, US and Asia, and from diamonds to the Financial Services Authority to banking to politics.
'From Wednesdays I am looking for stories, spending time seeing what is going to happen. If people can tell me what is going on, they will be very welcome. I am looking for trends, for stories starting on Thursday, Friday, Saturday, Sunday and taking them into the next week,' he added.
Lamont replaces Roger Blitz, who has been made UK affairs editor.
Lamont, who was previously the paper's Southern Africa correspondent in Johannesburg, joined The Financial Times in 2001. Before that, he held the position of editor for four years at Business Report, a South African financial daily.