Financial Times deputy editor Martin Dickson has been appointed US managing editor.
Dickson, who joined the FT in 1976 and became deputy in 2005, spent nearly five years in the early 1990s as New York bureau chief, leading the paper's coverage of North American financial, management and business affairs.
He takes over from US managing editor from Gillian Tett, who is leaving to write a book on 1 September but will return to a 'top management and comment role'in early 2013.
As assistant editor she will continue to write columns for the op-ed pages, magazine and newspaper.
The FT said Dickson's move to New York 'underlines the importance the FT attaches to the US",
John Thornhill, who has been news editor for the past three years, takes over as deputy editor.
He is a former Moscow bureau chief, Asia editor, Paris bureau chief and European editor.
Alec Russell, who is currently comment and analysis editor, becomes news editor and Fred Studemann, the analysis editor, steps up to comment and analysis editor.
Other editorial changes include Gary Silverman being promoted to the new post of deputy US managing editor.
Silverman will continue to act as US news editor responsible for coordinating US coverage with the FT's American bureaux and London.
FT Editor Lionel Barber said: 'I would like to pay tribute to Gillian for the superb job she has done in the US over the past two and a half years.
'The FT has won numerous prizes, provided cutting edge news and analysis during the global financial crisis and set up new forms of print and digital ventures, including the award-winning collaboration with ProPublica.
'Overall, the FT has further strengthened its position in this important market during her tenure.
'I would like to thank Martin for the critical role he has played in the FT's success since 2005, when he became deputy editor.
'He has been an invaluable source of support and sound judgment, while stamping his authority on all areas of the newspaper."