The London Tourist Board and Convention Bureau (LTB) has promoted head of press and PR Rachel Dibsdale to the communications director post.
This fills the gap created by director of communications Charlotte Rowe's departure for the Greater London Authority.
Dibsdale, who took up her new post this week, had been in her previous post for two years. Her promotion has created vacancies lower down the chain of seniority.
She has filled these by naming two of the LTB's existing press officers - Alex Brannen and Katharine Grice - as press and PR managers, responsible for running campaigns in London's major tourism markets and day-to-day handling of the press office. This is a challenging task, since the LTB receives 4,000 media enquiries per year and its on-line press centre 10,000 hits per month.
Dibsdale, who reports to the body's managing director John Hopper, has a wide-ranging remit across media relations, public affairs, information provision and the promotion of special projects.
Dibsdale has spent eight years in PR across a range of agency and in-house roles.
She worked for Hill & Knowlton in Australia for several years in the early 1990s and was head of PR for the Museum of Contemporary Art in Sydney.
In her new role she leads an 11-strong team and handles relations with two external PR agencies, Alice Marshall Public Relations in New York and Peretti Communications in London. Both these contracts are up for renewal at the end of the financial year, when Dibsdale is expected to review all the organisation's PR activities.
The LTB claims that tourism is the capital's second largest industry after the financial sector. It is thought to be have been worth more than pounds 8bn last year.