Strathclyde Police chief Stephen House has been appointed to lead Scotland's new single police force.
The Chief Constable will take up the role in the autumn after being selected by the Scottish Police Authority.
Mr House has headed Strathclyde Police since 2007 and previously held senior roles with the Metropolitan Police.
He said: "I am delighted to accept this new and exciting post.
"My views on the creation of a single Police Service of Scotland have been widely publicised, so it gives me great professional pride to be trusted with the responsibility for developing and leading the new service.