Dame Moira Margaret Gibb DBE (born April 1950) is a British public servant and former social worker.
Gibb studied engineering for two years at Glasgow University, before transferring to study French and Psychology. On graduation she became a teacher at a secondary modern school in Newham, East London.
She then qualified as a social worker, and rose through the profession to become deputy director of social services in Kensington and Chelsea in 1988, and then became director in 1990. In 2003 she was appointed chief executive of Camden Borough Council. She remained in this post until 2011.
Gibb is a non-executive director of the NHS England Board, the UK Statistics Authority, and chair of Skills for Care, and a former chief executive of Camden Borough Council.
She chairs the Church of England independent review (announced in February 2016) into the case of former Bishop of Gloucester Peter Ball, who was imprisoned in 2015 for sexual abuse.
Gibb is a member of the Council of Reading University, and was formerly a Civil Service Commissioner and a director of the London Marathon. She is also chair of governors of City Lit. She chaired the Serious Case Review of safeguarding at Southbank International School following the William Vahey case.
Gibb was made a CBE in 2002 and Dame Commander of the Order of the British Empire (DBE) for services to social work in 2012.