Chris Askew, the new chief executive of Diabetes UK, was chief executive at Breakthrough Breast Cancer before its merger with Breast Cancer Campaign.
Ed Aspel, director of patient engagement at Cancer Research UK, has been appointed the charity's executive director of fundraising and marketing. He replaces Richard Taylor, who announced his departure earlier this year.
The relationships charity Relate has promoted Chris Sherwood from director of policy, communications and digital services to chief executive.
Andrew Radford is the new chief executive of the eating disorder charity Beat. He was formerly chief executive at the children's rights charity Coram Voice.
Clinks, the umbrella body for charities that work with offenders, has named Anne Fox as its next chief executive. She is currently director of the Communication Trust, a coalition of more than 50 voluntary organisations that works to support people who help children to communicate.
Pluss, a social enterprise helping disadvantaged people into work, has promoted Steve Hawkins, its director of business development, to the position of chief executive.
The Winston Churchill Memorial Trust has appointed Julia Weston as chief executive. She has been the trust's fellowship director for the past seven years.
The national youth volunteering charity vInspired has appointed Polly Shute as director of fundraising and communications. She moves from the post of fundraising and campaign project director at the British Heart Foundation.
The Rainbow Centre, a charity supporting children with cerebral palsy and adults with neurological impairments, has promoted its centre director, Lara Bull, to chief executive.
The sight-loss charity RP Fighting Blindness has named Tina Houlihan as its new chief executive. She was formerly head of hospital charities at East & North Hertfordshire NHS Trust.
Beverley Jullien has been appointed chief executive of the Christian membership charity Mothers' Union. She has served as pro vice chancellor at London South Bank University.
Mark Bishop, director of fundraising at Prostate Cancer UK, has been appointed head of development at the National Trust for Scotland. He will start in October.