Plus: Vaughan Lindsay, Kevin Williams, Jane Hartley, Nick Haisman, Paul Amadi and Sandra Kelly
Brookes, the former director of the Paul Hamlyn Foundation and chief executive of the think tank NPC, has been appointed chief executive of the employment charity Tomorrow's People.
Vaughan Lindsay has been appointed chief executive of Alzheimer's Research UK. He will join in May from the Dartington Hall Trust, which works in the arts, social justice and sustainability, where he is chief executive.
Kevin Williams will become chief executive of The Fostering Network this summer. He is currently chief executive of the disability charity DGSM yourChoice.
Jane Hartley has been appointed chief executive of Vonne, the regional umbrella body for charities, voluntary groups and social enterprises in north-east England. She was formerly the organisation's chair and a business development consultant.
Nick Haisman has been appointed chief executive of the parenting support charity Family Links. He was formerly director of education.
The MS Society has appointed Paul Amadi as its executive director of fundraising. He joins from the same role at Diabetes UK.
Sandra Kelly has been appointed finance director of the Canal & River Trust. She comes from the National House-Building Council.