In order for the schools to run smoothly, there is an enormous amount of effort which goes on behind the scenes. With Head Office located so close to the schools in Loughton, areas such as finance, marketing, ICT, personnel, legal and general support are readily provided to ensure the schools can focus on the education.
Head Office Staff List
Mr M Hagger B.A. (Jnt Hons), M.Ed., PGCE
Group Managing Principal
As Group Managing Principal, Matthew Hagger performs many roles. Overseeing all operational, financial, regulatory and staffing matters on a daily basis, he meets regularly with parents of children at all four schools both formally and informally. Following the family tradition that began in 1982 when the Hagger family acquired Oaklands School, he is a qualified…
Mrs C Osborn
Group Education Principal B.A.(Hons), M.Sc., PGCE
Claire Osborn has been Headmistress of Normanhurst School in 2010, having started with us in 2003 as Head of English and Assistant Head. In addition, Claire spent 3 years as Braeside Headmistress from 2016 and is now one of the Group Principals specifically tasked with overseeing the teaching and learning…
Miss E Curtis
Group Personnel Administrator and PA to the Group Management Team
Emma Curtis works at Head Office as the Personnel Administrator and Personal Assistant to the Group Management Team. Emma takes charge of all initial employment checks following the recruitment of new staff.
Ms D Davis
Group Receptionist
Diana is the Group Receptionist and is the first port of call for telephone queries and for welcoming visitors to Head Office. Diana also takes card payments from parents and carries out a variety of roles to allow for the smooth running of the schools.
Mr M Elliot
Group Maintenance Supervisor
Martin joined the Group Maintenance Team in 2015 having been the Normanhurst main Caretaker for two years previously. He has excellent experience with general maintenance and turns his hand to most tasks. Martin supervises the day-to-day maintenance tasks and helps to ensure that the team runs smoothly.
Mr M Garner
Group Assistant Maintenance Officer

Miss H Grace
Group Administrator
Hollie is part of the team in the Finance Department that looks after the processing of fees and purchase invoices. Hollie works in the Admin Office and takes credit card payments in person and by telephone and helps with any invoice queries.
Mr G Griffiths
Group Maintenance Manager
Guy joined the Oak-Tree Group as Group Maintenance Manager in August 2018. He oversees all maintenance at each school across the Group, including a team of around 20 Caretakers, Gardeners, Groundsmen, Maintenance Officers and Porters.
Mrs S Hewitt
Group Bursar
As Group Bursar, Sharon oversees the processing and collection of the day-to-day fee payments, staff payroll, staff recruitment and departmental budgets. Sharon liaises closely with each school office and provides knowledge and experience having previously been Office Manager at Normanhurst School.
Mr M Isbell
Group Operations Manager
Mike is the Group Operations Manager, having started in August 2018. With a previous background as General Manager of a large commercial group, he is well suited to the role within the Oak-Tree Group overseeing all regulatory compliance required by the Department for Education and other bodies, and to help…
Mrs H Spray B.Sc.
Group Marketing and Development Manager
Hollie joined the Oak-Tree Group from Havering Council’s Culture and Leisure Services, where she worked as a Marketing Officer for several years. Experienced in a variety of marketing roles, she has responsibility for all things ‘marketing’ from PR to advertising. This includes editorials, photography, websites, prospectus design and production, events and strategy.
Mr C Lembe
Group ICT Technician
Christopher maintains the systems and hardware at the four schools. Working with our external ICT support company, Christopher helps to ensure that the networks, systems and machines are working at all times.
Mr M Molaei
Group ICT Manager M.Sc.
Mo Molaei is our Group ICT Manager, working with various service providers and contractors to ensure the schools’ ICT systems, software and hardware run smoothly.
Mr A Moore
Group Maintenance Officer

Mr D Newson
Group Maintenance Officer
Joining the team in 2018 as a Group Maintenance Officer. Skilled in many areas, Dave is happy to assist with general maintenance tasks across all four schools.
Miss M Phillpot
Marketing Assistant B.A.(Hons)
As Group Marketing Assistant, Millie ensures that all school websites are maintained and up to date with the latest news, liaises with feeder schools and nurseries and provides programmes for school events among other duties.
Miss V Picking
Acting Group Marketing Manager B.A.(Hons)
With previous experience in marketing roles, Vicky has responsibility for all things ‘marketing’ from PR to advertising. This includes editorials, photography, websites, prospectus design and production, events and strategy.
Mrs T Routledge
Group Accounts Administrator
Tracey is part of the team in the Finance Department that looks after the processing of fees and purchase invoices. Tracey works in the Admin Office and takes credit card payments in person and by telephone and helps with any invoice queries.
Mr S Smith
Group ICT Technician
Stephen is the newest member of the Group IT Team, working alongside Christopher, he maintains the systems and hardware at the four schools and ensures that all networks, systems and machines are working at all times.
Mr L Street
Group Maintenance Officer
