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Senior Leadership Team
Annmarie McNaney - Headteacher
Annmarie has been the Headteacher at CGS since September 2015. She joined the school as Head of Sixth Form in the late 90s before being promoted to Assistant Head and then Deputy Head, a role she held from January 2007 until her appointment as Headteacher. During her time on the Senior Leadership Team, she has introduced several new initiatives and was the driving force behind 'CGS Learning', the school's bespoke approach to teaching and learning. She was an integral part of the CGS journey from good to outstanding and is very proud of what was achieved in the process.
Before moving to Chesham Grammar, Annmarie taught at Backwell School, a large, nine form entry comprehensive school just outside Bristol, where she was Assistant Head of Sixth Form. Annmarie is a graduate of the University of Bristol where she read Theology and Sociology and where she also studied for her PGCE. Annmarie lives in Berkhamsted and is married with two sons, both of whom are students at CGS.
Jill Henderson - Deputy Head
Jill Henderson joined the school in 1988 as Head of the English Department, having been Head of Year 7 and second in English at a large comprehensive school in Bushey. She was appointed Deputy Head in 1994, initially in charge of school and staff development planning, followed by leading the Pastoral System. For the last ten years she has been responsible for the curriculum and staffing. She is married with one son, an ex-pupil of Chesham Grammar School, who works in the City.
Oliver Josephson - Assistant Head
Ollie joined CGS in 2015 after ten years at Aylesbury Grammar School. Prior to his becoming Assistant Head at CGS, Ollie spent six years as a Head of Year at AGS, and he also led the World Development department at the school for three. His primary teaching subjects at CGS are History and Politics and his main responsibilities as Assistant Head are for Data and Exams. Ollie is a local boy; having been born in High Wycombe, Ollie lived in Chesham for much of the first 23 years of his life, apart from the four years he spent at university completing his undergraduate degree in Sheffield and his teacher training in Leeds. Ollie now lives in Aylesbury with his wife and young daughter and son.
Tim Patteson - Assistant Head
Tim joined Chesham Grammar School in September 2015 having been Subject Leader of Geography at Dr Challoner's Grammar School, Amersham for four years. Prior to that, he worked at Sir John Lawes School, a mixed comprehensive in Harpenden. His current role includes responsibility for teaching and learning as well as staff professional development. He is married with two young daughters and a son.
Karen joined CGS in 2017 after nine years at Ranelagh School in Bracknell, where she had been the Curriculum Leader for History and completed a one year Associate Assistant Headteacher programme. She also led the Wilderness Expertise and Duke of Edinburgh programmes. Her primary teaching subject at CGS is History and her main responsibilities as Assistant Head are for Data and Exams. Karen was born and raised in Chesham, completing her degree in Politics and History at Brunel University. She then moved onto the University of Oxford to complete her PGCE and then her Masters in Learning and Teaching. Karen now lives in Knowl Hill with her partner who is also a teacher.
Paul Griffiths - Finance & Resources Director
Paul Griffiths joined Chesham Grammar School in September 2015 as Finance & Resources Director, having been Director of Business at a multi-academy trust in Haverhill, Suffolk. Prior to working in education Paul had a career in catering and retail management and shortly after his appointment at a local secondary school found it rapidly expanding in to a multi-academy trust. In his previous role Paul was also appointed as a Specialist Leader of Education for the Cambridge and Suffolk schools alliance. Paul is married with a daughter and son who are both in Primary education.