Tim Pilkington will become acting chief executive of the international children's charity World Vision UK in January. He is currently its finance and risk director.
Anna Smith has been named as the new chief executive of the domestic and sexual violence charity Advance. She was previously chief executive of the domestic violence charity Survive, working in Bristol and South Gloucestershire.
The Christian development agency Feba has appointed Bob Chambers as chief executive. He was previously its director for transition.