Central team


Sulina Piesse - Chief Executive Officer

Sulina is the CEO of ODBST. She was previously an Executive Headteacher. Over the last 15 years she has held several senior leadership roles in London Schools, including another Headship. She is a former Ofsted Inspector. She worked as an Inspector for 4 years.

As a passionate French and Spanish teacher, she has had the opportunity to work in various settings, both in the UK and abroad.

David Cousins - School Improvement Manager

David Cousins, CEO, ODBST

Former Head Teacher of an outstanding Bucks CE primary school, a senior school improvement adviser and manager for Bucks CC and a lead and team school inspector.

David has experience as the Director of Schools for the Oxford Diocesan Schools Trust where he oversaw its growth from 5 to 30 schools, becoming the fastest growing MAT in the country. He then now transferred to leading the Diocesan MAT in the Buckingham episcopal area, as the CEO of ODBST. He is now once again working with the education community in Buckinghamshire and Milton Keynes to improve outcomes for children and young people as the School improvement manager.

Rachael Holinshead - Chief Operations Officer

Rachael joined the team in February 2019, with 26 years of primary education experience, 9 of those in a leadership role.

Eileen Northey - School Effectiveness Partner

Eileen  has worked for a number of years as a School Effectiveness Partner with a considerable number of schools in a range of local authorities and across the Oxford Diocese. She continues to assess for the National Professional Qualification for aspiring head teachers and middle and senior leaders. Eileen also has recent experience of being an Ofsted inspector.

Ruth Falkus - Chief Financial Officer

Former Financial Controller with Stanley Black & Decker and other commercial companies, with a varied career in finance spanning over 30 years.  Ruth is a CIMA qualified accountant with a wide range of experience, most notably in Governance & Control; Acquisitions & Integration; and Strategic Development.  She has a keen interest in improving educational outcomes for children, having run charitable STEM events at her previous employer.

Emily Gatis - Trust Administrator

Emily joined the ODBST team from McGraw-Hill Education. She has a 10 year back ground in customer services and administration. She is the first point of contact for the Trust.

Alison Haynes - Finance Officer

A CIMA qualified finance professional with over 20 years’ experience of accounting for various organisations, 5 years of which was gained within a Multi-Academy Trust.

Sarah Rowe - HR Manager

Sarah holds a Master’s degree in Human Resource Management and is a qualified member of Chartered Institute of Personnel and Development.  Her HR experience spans across a number of different industries, both public and private sector, and includes running her own business to support small and medium sized businesses on all HR matters.  Prior to joining ODBST Sarah provided HR support to schools within the Oxford Diocesan Schools Trust and previously worked for East Riding of Yorkshire Council providing HR support to schools across the region. 

Victoria Davies

Victoria joins the ODBST central team after working as a School Business Manager for 5 years.  Prior to this she served as an officer in the Royal Air Force on a short service commission. She has a BSc (Hons) in Economics, Accountancy and Law, a MSc in Psychology and is studying towards her CIMA professional qualification.

Rebecca Hussein-Allin

Rebecca joined the ODBST central team in September 2020 as a HR Officer. She is CIPD qualified with over 10 years’ experience in HR for various corporate companies, prior to this she worked in retail management. Rebecca is a community governor for her local school and support’s a local charity with HR Advice.