Ian Green is to be the next chief executive of the HIV and sexual health charity the Terrence Higgins Trust. He has worked for the YMCA movement for more than 25 years and will join in March from his role as part of the executive staff team of the World Alliance of YMCAs, based in Geneva.
Tim Gardam, principal of St Anne's College, Oxford, has been appointed chief executive of the Nuffield Foundation. He will take up the role in September.
Kieran Breen has joined Brain Tumour Research as director of research. He was interim head of programmes and evaluation at the National Cancer Research Institute.
The armed forces charity Poppyscotland has appointed Mark Bibbey as chief executive. He will join in March from the chief executive's role at Venture Trust.
Joe Levenson has been appointed director of communications and campaigns at the Young Women's Trust, which works with disadvantaged women. He was director of communications at the National Council for Palliative Care.
The Norfolk-based cancer charity Big C has appointed Clive Evans as director of income generation and Dale Coleman as director of corporate services. Evans was operations director for the Red Cross in East Anglia and Coleman was company secretary and accountant at Parkside Community and The Base trusts.
The Clore Social Leadership Programme, which trains aspiring voluntary sector leaders, has appointed David Hopkins as programme director. He headed the grant-making and legacy solutions team at the Charities Aid Foundation.
John Trampleasure has joined Ambitious about Autism, which campaigns for autistic children, as director of fundraising, external affairs and strategy. He was director of external affairs at the Mental Health Foundation.
The mental health charity Mind Cymru has appointed Sara Moseley as director. She was director of communications for the Welsh government.