Sunday Times Scotland editor Les Snowdon has been appointed editor of Scotland on Sunday.
Snowdon succeeds Iain Martin, who departed in April to join The Sunday Telegraph as assistant editor.
Snowdon is expected to take up his new post relatively quickly.
This is the first major editorial appointment by Johnston Press since it bought Scotsman Publications from the Barclay brothers for £160m late last year.
A new editor for The Scotsman to replace John McGurk, who also left to join the Telegraph Group, is expected to be announced within the next few weeks.
Snowdon's appointment means possible disappointment for deputy editor Tom Little, who has been acting editor of Scotland on Sunday since Martin's departure.
Snowdon has been Sunday Times Scotland editor for the past three years and, after a gap of eight years, returns to Scotsman Publications, where he held posts as deputy sports editor and acting night editor, and also spent periods on the business, news and foreign desks.
Before being appointed editor of The Sunday Times Scotland, he was deputy sports editor of the paper's UK edition and, before that, sports editor of the Scotland edition.