Governing Board

Diana Muallem

Chair of Governors 

Diana has been a school governor for over 20 years working with both primary and secondary schools.   In addition to her role at Mosaic she is currently a member of the Every Day Every Child Multi Academy Trust and Vice Chair of Grey Court School Local Governing Body.  Diana is an independent education consultant and has extensive experience of providing consultancy services to awarding bodies and regulatory and government bodies.  Her areas of expertise include modern languages, apprenticeships, post-16 and adult education policy and implementation.  Since 2011 she has been an education advisor to the Department for Education on vocational and technical education. 

Vicky Williams

Vice Chair of Governors

Vicky was appointed to the Governing Body in September 2014.  She is an experienced HR Director starting her career in retail in Marks and Spencer.  She then went to join the Compass Group as an HR Manager leaving 21 years later as an HR Director.  Vicky is currently Director of People at the Lawn Tennis Association.  She has supported the new CEO in recruiting his senior team and sits on the LTA Executive.  For 10 years up to 2011 Vicky was Chair of Governors at Sheen Mount Primary School in East Sheen.  During her time as Chair, the school built a new hall, became a phased 3 form entry and playing to Vicky’s recruiting skills recruited 2 Deputies and a new Headteacher.  During the last few years she has missed being part of school life and is looking forward to being part of the MJPS community.  She is married to a barrister and has twins aged 17 who leave school next year. 

Jo Dallal

Chair of Curriculum and Achievement Committee

Jo has worked in education for the last 25 years.  Her first degree was in Sociology (B.Sc>Hons) University of the Southbank London followed by a B.A.(Honours) in Social work from Bar-Ilan University Israel.  She has several Early Years and Management qualifications and is a Senior Fellow of the Higher Education Academy.  She has recently retired as Head of Higher Education, Counselling and Early and Early Years at Kingston College where she was the Director of the Foundation Degrees in Early Years which are validated by Kingston University.  She continues to work in Education at Roehampton University.   Additionally, Jo has previous experience as a school governor.  Mrs Dallal acts as an external examiner for Trinity St David’s University of Wales and Bucks New University.

Nicolette Hartell

Chair of Children, Families and Community Committee 

Nicolette  grew up in New Zealand and graduated from Massey University with a degree in English and Social Anthropology.  Nicolette worked in the parliamentary service in New Zealand before moving to London to work in the civil service in both the Education and Health departments.  Nicolette now runs her own childcare business and has two boys attending Mosaic. 

Judith Ish-Horowicz


Judith graduated with a degree in music from Leeds University, after which she trained as a teacher in her home town of Manchester and went on to be Head of Music at a London comprehensive school.  After the birth of her 4 daughters, Judith moved into Early Years Education opening Apples and Honey Nursery (Ofsted rated Outstanding) in Wimbledon in 1991.  Judith is an Ashdown Fellow, an education consultant and a Limmud volunteer.  She was awarded an MBE for Services to Early Years Education in 2010.

Shirley Lee


Shirley is a governor and the founding chair of the MJPS Governing Board until 2017.   She was previously vice-chair of governors in a Surrey primary school.   She trained as a teacher in Scotland but completed her Masters Degree in England.   She was a Principal Lecturer at University of Roehampton, working with trainee teachers, experienced teachers and senior school managers.  As an Educational Consultant she has led the development and quality assurance of new initiatives with schools, teacher training providers and organisations both in the UK and Europe.  She has experience as an Ofsted inspector and trainer.   Shirley was involved in the Jewish Teacher Training Partnership for many years and was Chair of the Jewish Resource Centre at University of Roehampton.  Shirley and her husband have two children and three young grandchildren. 

Caroline Millar

Parent Governor

Caroline is a parent governor.  She graduated with a degree in English Language and Literature from Leeds University before converting to Law at the College of Law.  She spent 15 years in a global law firm where she became a partner specialising in commercial law projects and infrastructure and energy projects.   Caroline now works in-house in the energy field while looking after her three children who have all attended Mosaic. 

David Gold


David joined the Governing Body in January 2019.  He is a qualified chartered accountant who has spent 5 years auditing single and multi-academy trusts during spells at Buzzacott and UHY Hacker Young.  David has a daughter at Mosaic and in his day job, works as the Finance Manager for Adzuna, a job search engine based in Fulham. 

Steve Bower


Steve has just re-joined the Governing Body with an expertise in building and premises.  He was first an MJPS governor from 2013 to 2016 when we were about to start building the new school at Roehampton.   His career in social housing focused on building, funding and development.   Steve helped MJPS through the discussions to select the builders, looked at proposals and plans and worked with the builders for the eighteen month build programme as the school took shape.   Steve has degrees in Engineering and Town Planning.  He grew up in Southfields and is married with two grown-up sons.

Sarah Luke

Staff Governor

Sarah was appointed as staff governor in 2019.  She Graduated from Aberystwyth University in 2011 with a MA degree in Theatre and English.  After working as an art broker, Sarah joined Mosaic in 2015.  She trained as a teacher via the LSJS school’s direct program.  Sarah has continued her career at Mosaic and is currently head of science for the school as well as been heavily involved in the school's preforming arts. 

Andrew Lodge

Parent Governor

Andrew is an experienced management consultant and public official. In the public sector, he worked at the Bank of England and HM Treasury.  As a management consultant with McKinsey & Company he has helped develop strategies for a range of companies and public institutions.  In his twenties, he was a volunteer school governor for several years for a primary school in a deprived area of East London, so has experience of the challenges of running a school.  Andrew lives locally to MJPS with his wife, Brenna, and their two boys.  Callum is in Year 1.  His brother Angus can't wait to follow his brother into Reception next year.

Edna Dwomoh


Edna graduated from Goldsmiths University and has over 20 years of experience in Education working as a Lecturer at South Thames College and also Bromley College.  She is an experienced NVQ Internal and External Advisor.  Edna was a founding member of a Free School in Croydon and part of a team of 4 that successfully set up the Free School in 2011. She has good knowledge about School Business Management.  Edna currently works as a Consultant with 3BM Education providing Governance Professional Services.  She is currently employed as an Assistant Headteacher in an inner-city school in London. 

The Governors can be contacted by emailing the following address: