Martin has been promoted from director of operations after 13 years with the charity. She will be responsible for the charity's volunteers, staff and strategic development, and for running its helpline. "Leukaemia Care is growing fast, and our services are expanding in recognition and value," she said.
Head joins the charity from Kemp Hospice, Kidderminster, where she spent a year as head of marketing and fundraising. She previously worked for Cancer Research UK as an area fundraiser.
Chris Clark is the new director of operations at the Stroke Association. He joins from Action for ME, where he was chief executive for six years. Before this, Clark spent 14 years at St Christopher's Hospice, London, working in various roles, eventually becoming deputy director.
Jaime Gill has taken up the newly created role of press and public affairs manager at mental health charity United Response. He joins from PR agency Firefly Communications, where he led the not-for-profit team.
Rachel Kennedy has joined the International Childcare Trust as fundraising and events manager. She was previously a fundraising assistant at the Brain and Spine Foundation for three years.
David Vernon Edwards has been promoted to director of Sheffield Children's Hospital Charity. He previously worked as a senior fundraiser.
Trevor Reid has joined St Peter's Hospice, Bristol, as PR and fundraising director. He was previously communications and fundraising manager at the National Osteoporosis Society. Reid succeeds Pat Davis, who has retired after 20 years.
Addie Stevenson has taken over as chief executive at Scottish children's charity Aberlour. She has been director of children and family services at the organisation since 2004.
Sally Stockwell has been appointed assistant director at grant maker the Dulverton Trust. She joins from another grantmaker, the Barrow Cadbury Trust, and succeeds Joan Channon, who is retiring after 17 years.
The Citizenship Foundation has appointed five new trustees: Sir Keith Ajegbo, a Home Office adviser and former head of Deptford Green School, London; Keith Ford, former finance director of Avon, Gloucestershire and Wiltshire Strategic Health Authority; Amanda Delew, director of fundraising consultancy Solid Management; Abi Carter, former project manager at the Children's Society; and Oliver Benson, head of editorial at young people's news agency Children's Express.
Aesha Zafar and Will Venters have joined the board of YouthNet, the online charity for young people. Zafar is an events coordinator at the Edinburgh International Television Festival. Venters is a lecturer at the London School of Economics and Political Science.