Our team

Our adoption team is made up of dedicated and highly skilled professionals who have many years’ experience working with vulnerable children in care and their families.

Our staff receive regular and ongoing training. We are a learning agency, striving for excellence, and believe that by investing in our team now we are investing in our society. Find out more about our values here.

We provide diplomatic, sensitive and comprehensive support for our adopters and their children and we pride ourselves on offering a warm, friendly and personalised service.

All our social workers are registered with the Health and Care Professions Council (HCPC) – and we subscribe to their high standards of practice.

We also have an education specialist who provides regular education support to our adopters.

Our administration team is based at our office in Airport House, Croydon.


Diagrama Adoption has a flat governance structure. We are a part of friendly and people-oriented organisation where the Chief Executive’s door is always open.

The Board of Trustees

The Board of Trustees meet quarterly to review the organisation’s work and services, and to agree the strategic goals for the charity. The Board also reviews its own operation, effectiveness and governance annually.

The Chief Executive

The Trustees appoint, support and monitor the Chief Executive and delegate day-to-day management of the charity to the Chief Executive. The Chief Executive has overall responsibility for all the operational matters and reports directly to the Trustees regularly. The Chief Executive is David McGuire. You can find more information about David on the Diagrama Foundation website. The Chief Executive is assisted by a senior management team comprising: Finance manager, Human Resources manager and Head of Children’s Services.

Head of Professional Services

Head of Professional Services, Nathan Ward, is responsible for overseeing the development and operation of our Adoption and Fostering agencies. Nathan has an extensive background in childcare with senior management experience in both the private and third sectors. He has a Degree in youth and community work, a Masters Degree in Security and Risk Management and a further degree in Theology. With extensive experience within juvenile justice and other custodial settings, Nathan has a wealth of experience in working with vulnerable client groups, being able to design and tailor services to secure the best outcomes for clients. Ordained as a Priest within the Church of England, he takes a holistic approach to the services he manages.

Adoption manager

Gunter Becht qualified as a social worker in 1998 and has spent the majority of his social work career working within the fostering and adoption sectors. Gunter has a particular passion for adoption, having had personal experience of growing up and being part of a family who adopted.

Staff are committed, well qualified and experienced, which enables them to deliver a competent service. They are very well thought of by the adoptive families
Ofsted, 2016