Our Team

Central Team

Sarah Collings - Director of Sport

Sarah’s swimming career includes representing Great Britain consistently from 1996 – 2000. She has won over 40 national medals and was British champion 19 times, setting new British Records. After a period as a Coach Education Advisor, she worked on qualification developments for governing bodies and coaches across domains to obtain qualifications in their chosen field. Having helped to shape high-performing coach development, Sarah is bringing her skills and networks to her work as Director of Sport for the Trust.

Marie Cordey - School Improvement

Marie has a substantial background in education including a decade as a lead inspector for Ofsted. She has also worked as a school improvement consultant for local authorities, academy chains and individual schools. After 20 years as a teacher, head of department and deputy head, Marie was a senior lecturer in initial teacher education before focusing her work on school improvement.

Justin Creasey - School Improvement

Justin has leadership experience in primary schools both as Head and Executive Head, playing a key role in the journey to Outstanding. A maths specialist, he has a keen interest in school improvement and curriculum innovation. Since joining GST, he has worked with several schools to make sustainable step change in their outcomes at KS2. A former professional dancer and musician, Justin plays the French horn with a London Wind Band and a semi-professional London Orchestra.

Lisa Crook

Lisa has extensive teaching and leadership experience in both primary and secondary education, and across two continents. In her recent roles, as a Headteacher, Senior Leader and School Improver, she has contributed to schools’ rapid progress to outstanding. Lisa has a Masters in Applied Educational Leadership and Management and is dedicated to ensuring that all children are successful, both within the curriculum and in the world beyond their school.

Charlotte Foulston - School Improvement

Charlotte has 20 years’ teaching and leadership experience in secondary education, in London and Wales. Prior to her teaching career, she was director of a company specialising in supporting young people into vocational training and apprenticeships. Charlotte brings to the Trust the perspective of a practitioner in the current policy landscape together with wide experience of delivering to learners on a large scale. She was a founding Board member of the Griffin Schools Trust.

Michelle Hall - Administrator

Michelle has substantial experience of the public and private sectors in the UK and has also worked overseas in banking and retail. During 15 years in London schools she has managed teams and functions such as Examinations and Operations. Michelle is PA to the Executive Team and supports them in HR.

Nicola Hall - Administrator

Nicola has 12 years’ experience in schools as Exams Officer and Accounts Manager. Before this she worked for a major utility company in the UK and in Australia, where she completed her education for one of the leading banks. Nicola supports the Executive team in governance and finance.

Rosie Jones - Administrator

After graduating from the University of Kent in History and Religious Studies, Rosie spent two years teaching humanities at an international school in Indonesia. In the UK, she gained administrative experience with a central London company before marrying the two elements of her interest by joining the Griffin Schools Trust. Rosie supports the Executive Team in strategic planning and student engagement.

Liz Lewis - Founder

A founder and former Joint CEO of the Griffin Schools Trust, Liz has spent more than thirty years in school and system improvement in the UK and overseas. She has led independent, international and maintained schools as well as managing a large Local Authority advisory service. Before establishing the Griffin Schools Trust she grew a successful consultancy business with a range of clients including DfE and Local Authorities. The drive in whatever she does is to focus system leaders on social equality.

Anne Powell - Chief Executive

Anne is a music graduate who found her vocation in teaching in the least affluent communities in East London. As a primary Head and then Executive Head, Anne has led and supported rapid and sustainable improvement journeys in several GST schools, primary and secondary. Her leadership saw two long-term underperforming schools speed from special measures to confidently outstanding. The first GST Head to become the CEO on the strength of her record, Anne presides over the further realisation of the Trust’s vision. She is driven by a belief that good exam outcomes are the corollary of a great education and not its sole focus.

Kehinde Raji - Accountant

Kehinde Raji is a Certified Chartered Accountant and an Associate Chartered Banker (ACIB) with an MA in Business Administration and a BSC in Business administration and Finance. She has over 20 years’ experience in both the charity and private sectors. Her belief in the power of education to change lives led her to her role with the Griffin Schools Trust. Kehinde supports the Executive Team in finance.

Raymond Ramsay - Senior Accountant

Raymond is a Certified Chartered Accountant with experience in providing audit and advisory services to academy trusts and schools. Before moving into education finance he worked for a top 10 London firm specialising in charities, housing associations and the NHS. As CFO Raymond is committed to improving opportunities for the students in the Trust and supports the Executive team in maintaining high order compliance and enhancing value for money for Trust schools.

Susan Reed - Administrator

Susan is a Biology graduate with a keen interest in the arts and sciences. She has extensive administrative experience working for a range of companies, along with marketing and events experience. Susan supports the Executive team in schools improvement and communications.

Ange Tyler - Founder

A co-founder and former Joint CEO of the Griffin Schools Trust, Ange has spent her professional life improving opportunities for the least advantaged, first as a Youth Worker and then a teacher in London. After serving as a Head and Executive Head in inner city schools, Ange led change programmes for LAs and for the DfE. At GST, Ange has scaled her sophisticated school improvement model to drive deep cultural change predicated on leadership at all levels. She has also established bold traditions of broad arts, sports and extra-curricular provision.

Katherine Uzuegbunam - Administrator

An English graduate and having recently completed a course at the British Academy of Interior Design, Katherine has worked for a leading London Interior designer. She has a keen interest in learning environments and their effect on learning and cognition which she brings to her role at the Griffin’s School Trust, supporting the Executive Team in asset and interiors.

Eileen Winters - Administrator

Eileen has substantial experience in the private sector working in merchandising/buying for blue chip companies. She has a wealth of experience in office environments and brings her skills to a range of support functions for the Executive Team, including developing the office facilities.