has joined South Warwickshire General Hospitals trust as chief executive. He originally trained as a radiographer and held various posts in the NHS before spending a brief spell in the private sector, working for a computer company. He returned to the NHS in 1990 and was most recently acting chief executive of Ipswich Hospital.

South Warwickshire Combined Care trust has appointed Catherine Griffiths as chief executive. She leaves her current post as commissioning director at Birmingham health authority in August.

Mark Gritten is leaving East Somerset trust, where he is currently chief executive, to take up the chief executive's post at the Royal Berkshire and Battle Hospitals trust. He takes over from retiring chief executive Ron Cooper in October.

Katherine Kirk has been appointed chair of South Essex health authority. Ms Kirk previously worked in health service management and was chief officer of Basildon and Thurrock community health council for a number of years. She succeeds David Micklem, who retires this month.

Oxford Radcliffe Hospitals trust has appointed Gavin Boyle as operations director at Horton Hospital. He joins this month from Royal Hampshire County Hospital in Winchester, where he was general manager for surgery.

The former director general of MI5, Dame Stella Rimington, joins Royal Marsden trust as a non-executive director. She has been chair of the Institute of Cancer Research, which works in partnership with Royal Marsden, since October last year.

Dame Deirdre Hine, former chief medical officer at the Welsh Office, has been appointed a member of the Audit Commission until October 2001.

The King's Fund has two new staff. Alison Hill, currently a lecturer at Bart's and the Royal London hospitals, will lead the effective practice programme. Anna Coote of the Institute for Public Policy Research is to lead the public health programme.

Stephen Mittler

has been appointed operations and development director at Plymouth Hospitals trust. He moves from Southampton University Hospitals trust, where he is currently hospital services director. He takes up the new post in August.