Ealing Council's director of property and regeneration Brendon Walsh is moving to Hounslow Council to take up a new role.
The government's regeneration quango will spend the next year getting surplus land owned by departments ready to be sold, it says.
Chief executive of the HCA has outlined the aim of speeding up the release of its land to the private sector.
The Greater London Authority (GLA) is working with Sitematch London on an event to promote investment opportunities across the city to UK and overseas visitors during the London 2012 Games - and London councils can get involved.
The Sitematch London website has been relaunched - with new features to make finding prime development sites even easier.
Subscribers to Sitematch London can now view sites owned by a number of public sector bodies in the capital.
Ealing Council has added five new sites to its roster of priority development sites on Sitematch London, taking its total up to 11.
Ealing Council secured bids from several developers for one of its priority sites, thanks to Sitematch London.
Sitematch London is preparing two more events following the successful inaugural Sitematch London day on 1 March.
The NHS has published details of 817 hectares of land in England which it no longer needs for healthcare.