Our Team


Julie Adams

Julie Adams has spent over 20 years working in the management consulting industry focused on the oil and gas sector, including several years working at an international oil company. She currently holds a leadership position in the consulting firm Accenture, leading a global Resources and Energy Research team. Her career has involved a focus on strategic analysis, risk assessment and people development, as well as a deep understanding of the external factors which can drive and shape the development of any business or public sector organisation. Julie is actively involved in training and education in her current role, and has some experience of teaching early in her career, including a year spent teaching in Bordeaux, France. She holds a post graduate qualification in Information Technology and Business Studies, as well as a Joint Honours Degree in French and History from the University of Warwick.

Jennifer Bray

An Oxford graduate in geography, Jennifer’s first career was as a university lecturer working in the UK, West Africa and East Asia and specialising in economic development. She is a qualified teacher and spent twenty years as Principal of two large British international schools, in Hong Kong and then in Belgium. Jennifer currently works as a leadership consultant to British Schools Overseas, specialising in start-up schools and those in areas facing major economic and political challenges. An Ofsted inspector and school governor, she is also a member of the Board of the Council of British International Schools (COBIS) and an Accreditation Leader for the Council of International Schools (CIS). She is a founding member and Chair of the Griffin Schools Trust.

Diana Cashin

Diana spent 20 years in the public sector, in roles varying from National Insurance Inspector in Lancashire to Head of IT at the National Maritime Museum. She then joined the broadcast industry, leading a team of 50 software development and project managers for international and UK clients. Diana was the programme manager for the roll out of the digital television switchover in the UK (2005 - 2012), the largest public programme since the conversion to North Sea gas in the 1960s. As a consultant she has worked on digital projects in Serbia as an EU Senior Technical Expert and Malaysia, advising on governance and risk management. Diana Chairs the Trust’s Audit Committee.

Phillip Clark

Phillip has over 15 years’ experience in corporate banking and is currently working with the not for profit sector specialising in higher and further education and charities. Phillip has been a school governor for many years, including five as Chair of Nicholas Chamberlaine school before it joined the Trust. He now chairs the North Warwickshire Local Governing Board for GST as well as the Trust Board’s Finance and HR Committee. Phillip is delighted to be a Trustee and have the opportunity to work with the Griffin Schools Trust to have a positive impact on the lives of the thousands of children who attend GST schools.

Mike McCreedy

Mike McCreedy has a career which includes over 30 years of public sector experience. In addition to this Mike has held senior roles at the Commission for Racial Equality and the BIG Lottery Fund. Mike is now retired and is currently a governor at a local sixth form college and a secondary school, as well as Chairing the Perry Wood Local Governing Body for the Trust. Mike is dedicated to the GST vision and values.

Terri Zbyszewska

Terri has spent more than four decades in education, working in the public, independent and charity sectors, in the UK and overseas. She has worked in schools, teaching mathematics and computing, and for local authorities offering support in data management. She has always been involved in community sports leadership. She has also worked as an educational consultant for a national charity and for a wide variety of schools and local authorities across the UK. Terri now spends a large part of her time on voluntary work for schools and local organisations. A founding member of the Trust, Terri also serves on the Medway School Improvement Board.