Skip to content ↓

Central team


Anne Dellar, Chief Executive Officer

Anne Davey

Anne is a Theology graduate from Murray-Edwards College, Cambridge.  Her first career was in retail management, before training as a teacher at Moray House in Edinburgh.

She was Head of Bristol Cathedral School from 2004 to 2007, then School Development Adviser and later Deputy Director of Education in Salisbury Diocese. She became Diocesan Director of Education for the Oxford Diocese in 2011. When ODST was formed in 2012, Anne undertook the role of CEO on a part-time basis, becoming full-time CEO in 2017.

Ian Elkington, Deputy Chief Executive


Ian is an experienced headteacher, and also spent 12 years as a County Adviser in Buckinghamshire, working in a variety of roles at both national and local level across all phases.


From 2011, Ian was appointed as the School Improvement Manager for the Wycombe area of schools. He led and managed strategic initiatives across the local authority and in partnership with other local authorities. Ian has also worked as an Ofsted inspector and School Improvement Partner, and has qualified as a tutor for the NCSL.


Ian also has significant experience as a governor trainer, and has worked closely with schools, academies and other agencies, including the DfE, in order to foster partnerships and new ways of working.


School Effectiveness

Sharon Mullins, Principal Schools Adviser

Sharon is the Principal Schools Advisor with responsibility for ODST schools in the north and central areas of Oxfordshire. She brings a wealth of teaching and senior leadership experience in the primary sector in a range of settings from large inner-city schools in Derby and South London through to semi-rural and smaller rural schools. Whilst in London Sharon also worked alongside the School Improvement team in Wandsworth.

Sharon was the Headteacher of a primary school in Oxfordshire and successfully led the school from Special Measures to an Ofsted grading of Good and more recently has worked in school improvement across the region. She believes passionately in supporting schools to ensure high quality teaching and learning so that every child can realise their potential.

Bob Pattenden Schools Adviser

Bob was a successful primary school head for nearly 27 years in five schools, ranging from a small rural village school in Wiltshire through to a large primary in Oxfordshire which included responsibility for two Children’s Centres. He has also held two Executive Headteacher posts, was seconded to the National College as a Regional Leader, and was a member of the Gloucester Diocesan Board of Education.


Bob has a keen interest in developing the future school leaders and as a music graduate is a strong advocate for the arts in primary schools.

Sara Holland, Schools Adviser

Sara has many years experience working in schools of varying contexts, including 3 as as headteacher. 

In 2017, she led her school in Hertfordshire to an Ofsted judgement of Outstanding. Whilst working in Hertfordshire, she also supported RI and Inadequate schools as a Local Leader of Education.

She believes that every child deserves the very best provision and opportunities so that they can reach their full potential, and is looking forward to bringing her experience to supporting ODST schools.


Mark Jones, HR Manager

Mark is an associate member of the Chartered Institute of Personnel & Development and began his professional career in retail management. After a period of voluntary work in Bosnia, he returned to the UK and has since experienced HR across several sectors over the last 10 years including higher education, logistics and SMEs.  He also served as a Governor for his local primary school, chairing the Finance & Staffing Committee.

Angela Eaton, HR Administrator

Angela worked in a school environment for 2 years before joining ODST, and holds a CIPD qualification in HR. Previously Angela worked for Thames Valley Police for over 5 years, and in Social Housing. She also trained pupils as an Approved Driving Instructor for 9 years.

Christine Gibbins, HR Business Partner

Christine is an associate member of the CIPD with over 13 years’ experience working as a HR Adviser. She has worked within both the public and private sectors and over the last 10 years worked in partnership with the Oxford University Hospitals NHS Foundation Trust and Oxfordshire County Council.  With a strong employee relations focus she has also delivered people management training to managers at all levels.  She volunteers as a brownie guide leader and a scout group treasurer.

Sian Bray, Payroll Officer

Since leaving university Sian has worked in accounts and finance in different environments from PLC to small charities. She has spent the last 10 years working within Early Years settings. 


Madhu Richards, Finance Manager

Madhu is a Chartered Accountant with over 25 years of experience in the public and private sector. Most recently, Madhu was a Team Leader in the Schools Finance Team at Oxfordshire County Council for over five years – with the last two spent assisting secondary schools to convert to academy status. She then worked for a smaller MAT before joining the ODST Finance Team in April 2018.

Abbe Irving, Schools Finance Officer

Abbe is a CIMA qualified accountant and previously worked in the finance team of a local NHS Trust for 10 years.

Martin Bayliss, Schools Support Officer

Martin is an AAT qualified accountant. He previously worked for Hampshire County Council as an Education Finance Advisor, and prior to that with Oxfordshire County Council as a Schools Finance Support Officer.

Chloe Badger, Finance Assistant

Chloe has worked for ODST in finance for several years, seeing the organisation grow from four schools to 32. Previously she worked within the finance team for a construction company.


Mike Bingham, Operations Manager

Mike was previously a Health and Safety inspector for schools with Oxfordshire County Council, following a thirty-year career with the Fire Service.

He was operational throughout his Fire Service career and performed a variety of different roles including Fire Risk Area Manager, Brigade Performance Manager, Community Safety Manager and Employee Resources and Relations Manager. Upon retirement he worked closely with the Mill Arts Centre and the Oxfordshire museum, during times of upheaval, and helped them ensure that short term disruption did not produce long term issues.


Jennifer Payne, Communications and Events Officer

Jennifer has worked in marketing, communications and events for ten years, much of it within the education sector. Prior to joining ODST she worked in educational publishing and qualifications, and has previously worked for the Specialist Schools and Academies Trust as well as in healthcare.

Helen Mitchell, Executive Assistant

Helen supports ODST's senior leadership team. She has extensive administration experience and, prior to working for ODST, worked for the Oxford Diocesan Board of Education.

Additional support from the Oxford Diocesan Board of Education (ODBE):

Christine Jones Admissions and Appeals Officer
Tom Fry Buildings Surveyor
Jane Maharry Premises Officer