Mr Latham, 53, intends to divide his time between the London office of SOLACE and his own office at home in Wiltshire when he takes up the £30,000 per year part time position in November.
Mr Latham said he would try to ensure 'that the deep commitment of my colleagues up and down the country to public service and democratic representative local government is shouted from the roof tops'.
He has publicly stated his views that local government needs champions with a national profile who can appear on platforms like the BBC's 'Question Time'.
SOLACE decided to create the director post at its annual general meeting in April.
An accountant by training, Mr Latham began his career in the Midlands before moving to the West Country where he has worked for Avon, Devon and Wiltshire CCs.
He was assistant director of social services and assistant county treasurer with Wiltshire, and immediately prior to his present post, assistant to the chief executive of Avon county.