skip to main content


TDI has a small core team encompassing experience in social work, child protection, criminal justice, health, psychology, housing and research.

In addition we also have experience of housing, police, health, leadership development, conflict resolution, partnership working, facilitation and project management.

Deborah Jenkins, MBE, Chief Executive

In addition to leading TDI, Deborah is Chair of the South Tees Hospitals Foundation Trust, and runs her own company, Kindling Limited, which delivers project creation, consultancy and facilitation, exploring better ways of working together. She is also Visiting Professor on Leadership to the University of Newcastle, a Non-Executive Director of the North East Strategic Health Authority, and Chair of the Barnard Castle Vision Partnership. Deborah was awarded the MBE in 1995 for services to urban regeneration.

Lin Green Co-ordinator

Lin is an experienced co-ordinator and manager who has worked for a number of organisationsacross the North East in both the private and charitable secors including The Industrial Society (The Work Foundation), Common Purpose and Inbiz Ltd.

Dr Matt Jenkins Research Co-ordinator and Office Administrator

Matt jointed TDI in the summer of 2015 on the completion of his PhD at the University of Newcastle where he looked at the creation of official statistics. He still teaches statistical methods to undergraduates in the Geography department on a part-time basis. Prior to this period of conducting and disseminating primary research, he worked for several years in publishing with Wiley-Blackwell in Oxford.

Brian Herron

Consultant Brian has 32 years experience previously serving as a police officer and was responsible for setting up and managing Leisurewatch in Northern Ireland since 2006. His background involved management of sex offenders and in the last decade specialised in the education of adults and children in this area. Brian is a graduate of both Stranmillis University and University of Ulster.He has been rewarded with a community service award and a certificate of recognition in public protection.

David Gardiner BA, MSC, CQSW.

Consultant Dave was formerly the Director of the Northumbria Community Rehabilitation Company (previously Northumbria Probation Trust). He was responsible for setting up the local multi-agency public protection arrangements (MAPPA) in Northumbria, jointly with Police colleagues and chaired the MAPPA Strategic Management Board in its first six years of operation. Dave was an adviser to the board of TDI for many years before becoming an Associate in 2016. He is an experienced trainer and consultant on topics such as criminal justice, commissioning, drugs and alcohol, homelessness and dealing with violence.