The rules adopted by Anglia's board in September 1992 prohibited not only directors but also their spouses from dealing in the company's shares between the end of the company's financial year on December 31st and the announcement of the annual results around mid-March.

ECONOMIST: Lord Archer

And it launched Yelp Singapore in September, marking the company's debut in Asia.

WSJ: How I Built It: Search for Doctor Leads to Creation of Yelp

Analysts believe that Walsh, who joined the company in 2006, has helped turn round the company post September 11, sorting out the airline's pension deficit, restructuring its regional business British Airways Connect, and delivering cost improvements.

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