Circles Trustees and Staff Team

Circles Trustees and Staff Team


Gerry Marshall Gerry re-joined the Board of Trustees in 2013 and became Chair in November 2013. Previously Gerry was Chief Executive of Thames Valley Probation from 2001 to 2012, was the Probation Chief’s Association lead for Restorative Justice and Diversity and Equality, and was on the Equalities Board for NOMS and Thames Valley Police. Gerry worked as a subject matter expert for MTCnovo in their successful bid to run the Community Rehabilitation Companies in London and Thames Valley under the Transforming Rehabilitation programme. Currently Gerry is a Trustee of the Howard League for Penal Reform, an adviser to the Tutu Foundation UK, an assessor with the Restorative Justice Council for the Restorative Service Quality Mark, and an associate consultant for Leadership Insight. Since 2016 Gerry has been a non-executive director of Devon Partnership NHS Trust.


James Wilson FCA James is an experienced Chartered Accountant with a track record of leadership and change management up to Board level within the public sector. James has held finance roles in central government, criminal justice sector, voluntary sector, and higher education.

Para Mullan Para has more than fifteen years of experience in human resource management. Para obtained her masters in industrial relations and human resource management at the London School of Economics. She is a Fellow of the Chartered Institute of Personnel and Development (CIPD). Para retired in February 2021. Until then she worked as an Operations Director at EY-Seren, a digital wing of Ernest & Young. Her previous role was a project and business relationship manager working at the CIPD headquarters. Para’s expertise is people management, hence working as Operations and Human Resource Manager at a digital company overseeing the delivery of its digital services as well as managing the operational workforce. Para came to Britain in the early 1970s from Malaysia to train as a nurse. For 15 years she worked in the NHS in hospitals around the country, before deciding a career change and obtaining a degree in Sociology and Politics in Manchester in the late 1980s. Her particular interest lies in researching the changing nature of work since the 1980s. She has spoken and written on multiple aspects of work and people practices. She is also passionate about freedom and civil liberties, especially the right to free speech and individual autonomy.

Duncan Sheppard Duncan brings to Circles UK 30 years’ experience as a Suffolk Police Officer the last 3 years working as the National Police lead for the Multi Agency Public Protection Arrangements (MAPPA) responsible for strategic policy, expert advice and quality assurance of serious case reviews and implementation of the new National Police risk framework known as ARMS. He has 15 years’ experience working in multi-agency safeguarding specialising in child abuse investigations, child sexual exploitation and sex offender management. In 2016 he set up Sheppard Associates Ltd and has become a national and international multi-agency trainer in safeguarding, sex offender management, interviewing skills and risk assessments. He has conducted reviews for Police Forces and other countries into their procedures and operations to do with MAPPA, CSE and Information exchange, including serious case reviews in the UK. He has worked with a number of large charities improving their safeguarding structures, policy and procedures.

Gareth Williams Gareth is an experienced marketer and consultant. He trained and spent 20 years with Unilever in marketing roles in Europe, the Middle East, and Africa, followed by 5 years at Diageo building the capability of individuals and teams across Africa. For the last 12 years he has been a consultant with Brand Learning Partners, working across different industry sectors. As a volunteer with the Cranfield Trust he provides strategic and coaching project support to the voluntary sector (including to Circles UK), and is also a Progression Mentor with the Prince’s Trust. He recently completed a Certificate in Coaching through Henley Business School. His passion is to help individuals and teams identify their goals, and commit to clear action plans to achieve them.

Nigel Barnes retired in 2014 after over 25 years in practise as a criminal solicitor, during most of which he was a partner and head of crime at Ben Hoare Bell solicitors in the north east. He was granted his higher rights around 2000 and represented many defendants being/who were prosecuted for sexual offences in magistrates and crown courts. He has provided training for solicitors at a national level, including on the Sexual Offences Act, and has taught on the legal practice course at Northumbria University. He worked closely with the Recorder of Durham Crown Court in creation of the north east protocol for sensitive cases and was an active member of magistrates and crown court user groups in the north east. In the past he has worked in various capacities with young people and has supervised offenders in the community. In recent years he has volunteered with circles in the north east. He has been a trustee his local hospice and is currently a trustee of Friends Trusts Limited, the body which holds Quaker properties and other funds, and of his local Quaker area meeting.

Justine Caroll worked within specialist Police departments, dealing with complex and sensitive investigations and carrying out forensic Achieving Best Evidence (ABE) interviews with children and vulnerable witnesses. She has worked for local authorities at strategic level on corporate policy and procedural issues, which included liaison with the Police Service, Local Authorities and other Public Service providers.
​She is currently a development consultant who designs, delivers and evaluates training to front line service providers and senior management, including Police Services, Local Government, Primary
Care Trusts, health and social care organisations and private sector organisations. She specialises in safeguarding and protecting children and adults at risk. She has worked overseas on specialist projects in The Falkland Islands, Istanbul, Prague, Chile, Spain, France, Dubai and Hong Kong.
​Justine was a Circles volunteer for 7 years. She fosters children with complex needs who have been victims of abuse, neglect and exploitation and adolescent boys who display harmful sexual behaviour.

Circles UK Staff

Chief Executive Officer: Riana Taylor

National Development Manager: Leah Warwick

National Quality Manager: Liz Hickey

National Quality Manager: Dawn Taylor

Office/Business Manager: Heather Curnow

Information Officer: Lynn Taylor

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Latest News

Circles UK Annual Review 2019-2020 Circles UK Annual Review 2019-2020
Criminal Justice Alliance Award - Outstanding Organisation 2019Circles UK receives the Criminal Justice Alliance ‘Outstanding Organisation’ award for 2019’
Criminal Justice Alliance Award - Outstanding Journalism 2019Sky News correspondent and presenter Adele Robinson receives the Criminal Justice Alliance ‘Outstanding Journalism’ award for 2019, for the documentary made about Circles 'Inside the Circle' - still available to watch HERE

Contact Us

Abbey House/Abbey Square
Reading RG1 3BE
United Kingdom
0118 950 0068


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Circles UK, as the national body for Circles Providers across England and Wales, can provide information on the availability of Circles across England and Wales and how to volunteer for our work. Circles UK itself does not provide advice or counselling. In a situation when anyone contacting us provides identifying information and raises our concerns that a child is at risk, or a criminal offence has been committed of which the police may be unaware, we will pass that information onto the appropriate agencies.

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