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The trustee body draws on expertise from the fields of probation, police, voluntary sector management, the private sector, psychiatry, the church and health.

Lucy Armstrong, Chair

Lucy is Chief Executive of the Alchemists, a business providing entrepreneurial lead advice and coaching to fast growing businesses. Her early career was spent in venture capital with 3i international corporate mergers and acquisitions with Courtaulds Textiles and a period in the executive search industry, Tyzacks. She is a governor of Northumbria University, involved in assisting Newcastle University in their hi-tech spin-out companies and a member of the North East Industrial Development Board, supporting growing businesses in the North East. Until recently Lucy was Chair of a trans-Atlantic leadership and networking organisation, the British American Project. Lucy is engaged in Anglo-Us relations across the political, economic and arts spectra. An active member of HMP/YOI Castington's Independent Monitoring Board, Lucy is involved in monitoring the management of a young offender institution after six years in a similar role at a high security prison. She is also a national tutor for this 'watchdog' role reporting to the Home Secretary. Lucy was educated at Oxford, holds an MBA and is studying criminology.


Sue Winfield LLB, OBE, Trustee

Sue's main career was in the Probation Service, retiring after 32 years when in the role of Deputy Chief Officer for the Northumbria area, National Probation Service. During this time she was involved at national level chairing a number of committees developing the work of probation in the criminal courts. Sue was one of the founder members of TDI, following the recognition after the Cleveland Enquiry that there was a need for an improved inter-agency approach to working with sexual offenders. Since April 2002 Sue has been Chair of Sunderland Teaching Primary Care NHS Trust, a 3 star Trust since the second year of its existence. In addition to being a trustee of TDI she is also trustee and currently chair of Helix Arts, a local registered charity developing projects which explores the role and potential of the arts in a social context.


Professor Don Grubin, Trustee

Don is Professor of Forensic Psychiatry at the University of Newcastle and Consultant Forensic Psychiatrist at the Northumberland, Tyne and Wear NHS Trust. He trained at the Maudsley Hospital and the Institute of Psychiatry in London, and at Broadmoor Hospital. He is Project Director of the Sexual Behaviour Unit, a specialist service run in collaboration with the Northumbria Probation Service that provides assessment and treatment in cases where there is concern about the risk of sexually abusive behaviour. Don is a member of the Home Office Correctional Services Accreditation Panel for Offending Behaviour Programmes, the Department of Health and NIMHE Sex Offender Expert Group, and the Catholic Church Sexual Abuse Advisory Group for the Newcastle and Hexham Diocese. He is also an adviser to the HM Prison Sex Offender Treatment Programme. He has researched and published widely in relation to sexual offending.


Mike Brown, Trustee

Mike is a chartered accountant.  Following Company Secretary and Finance Director roles in engineering and steel founding companies he became a founding partner in Ryecroft Glenton, specialising in fostering growth companies involved in emergent technologies.  Throughout his career he has supported many charities of all sizes and was awarded the Silver Acorn by the Scout movement.  He continues his commitment as a consultant, mentor and director to a number of organisations pursuing progress and addressing social challenges. 


Catherine Sowerby, Trustee

Catherine is a Deputy Director at South Tees NHS Foundation Trust providing business support and expertise to senior medical staff across a range of agendas.  She has a broad portfolio of experience in the health sector in both corporate and operational roles and moved to the North East from Yorkshire in 2012. Catherine's background is private sector marketing prior to joining the NHS in 2004.  


Detective Chief Inspector Jackie Coleman, Northumbria Police, Advisory Board Member

Jackie is a senior police officer within Northumbria's Protecting Vulnerable People Unit. Her department deals with allegations of abuse towards some of society's most vulnerable people.

These crimes are often very serious (ranging from attempted murder to harassment) against victims that are already vulnerable, due to age, disability or other circumstance.


David Gardiner BA MSC CQSW  Advisory Board Member

Dave is Deputy Chief Executive and a Company director of the Northumbria Community Rehabilitation Company (CRC) and a long-term supporter of TDI>  After a varied early career, including work with adults with learning disabilities, he joined the Probation Service in 1982.  He was responsible for setting up the local multi-agency public protection arrangements (MAPPA) jointly with Northumbria Police in 2001 and chaired the MAPPA Strategic Management Board in its first six years of operation.  Over the years he has also overseen the establishment of accredited sex offender programmes within Northumbria, the local piloting of polygraph testing and the development of Probation victim liaison and restorative justice initiatives.

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