Board and Management | The Repton Family of Schools | Board and Management

Mark Semmence – CEO of the Repton Family of Schools and Headmaster of Repton UK

Mark Semmence is the CEO of the Repton Family of Schools. Prior to joining Repton in 2019 as Headmaster, Mark was Headmaster of  Mount Kelly School and prior to that, Assistant Headmaster for 7 years at Rugby School where he taught Economics. Mark was educated at Hurstpierpoint College and then at Durham University (BA and MBA). He completed his MA at Warwick. Before embarking on his teaching career, Mark enjoyed a successful business career in the sports marketing sector working for the Quintus Group (now IMG) in London, Dubai and New York.

Sarah Greig - Chief Operating Officer

Sarah is the Chief Operating Officer of the Repton Group. Prior to joining Repton in April 2024, Sarah was Bursar at all-through boarding and day schools Dover College and then Ashford School in Kent for 6 years. Sarah’s first career was in the British Army, where she attended the Royal Military Academy Sandhurst and served across the world, deploying on operations in Iraq in 2006. As a keen sportswoman, Sarah has spent time working with the British Olympic Association and UK Sport investment team and attended the 2018 Winter Olympics in South Korea as a Team Manager. Sarah is also a Director of the British Biathlon Union. 

Daniel Lewis – Managing Director

Daniel was appointed Managing Director of the Repton Family of Schools (formerly Repton International Schools Limited or RISL) in February 2021. In joining RFS he brings a wealth of knowledge and experience of running high-performing schools, and possesses a truly global outlook and instinct. Having led the establishment of international schools for North London Collegiate School in South Korea and the UAE, (as well as successfully leading the bid to establish NLCS in Singapore), he understands the challenges and needs of start-up projects, particularly those with a pre-existing UK ‘brand’ – with detailed expertise in the areas of franchise/management agreement, school design, quality assurance, marketing and admissions, recruitment of staff, and the establishment of a coherent educational vision and ethos.

Luke Jones - Commercial Director

Luke Jones was appointed in September 2025 and brings a proven track record delivering successful new business ventures, start-ups, and complex stakeholder management across Asia and emerging international markets. With significant commercial and operational expertise Luke combines business acumen and regional understanding with an agile, solutions-driven approach. Luke is passionate about building high-performance teams, creating opportunities for international educational excellence through innovative partnerships and strategic vision, and working closely with diverse local, regional and global stakeholders to deliver the Repton mission worldwide.

Ian Davenport – Associate Governor and Education Director (UAE)

After graduating Ian worked in The City for a number of years, for Morgan Stanley and Arthur Andersen before beginning his teaching career at Radley College, where he served as a housemaster and Head of Department. Ian led Blundell’s School as Head Master for eight years, and has also been an Economics tutor at Oxford University. He was an adviser to the Department of Education and led their social impact project: ‘SpringForward’. Ian was a Governor of Repton School for seven years before taking on the Associate Governor role.

Martin Collier - Education Director (Cairo)

Martin graduated with an MA in Modern History from the University of Oxford. He went on to enjoy a distinguished career in education, retiring as the Master of Haileybury in August 2024. As Master, he worked closely with Haileybury’s international partner schools, notably those in Kazakhstan. Before Haileybury, Martin was the Headmaster of St John’s School Leatherhead and before that he held numerous posts at Oundle School including Second Master. For the first ten years of his career, he taught in the state system. Between 2017 and 2023, Martin served as Chair of HMC’s Academic Policy Sub-Committee. As Chair, he played an important role in the discussions about the national public examinations system and curriculum.

Susan Woodroofe - Education Director (China)

Sue has a wide and varied educational career, having held leadership positions in both state and independent sector schools, in single sex boys and girls, co-educational, selective grammar and comprehensive schools in the UK, in addition to running an international school in Brussels. Sue was Principal of The Grammar School at Leeds from 2016-25 and was their first female Principal. She was elected Chair of HMC (2024-25) and is also an experienced school governor and inspector.

Sarah Fletcher - Education Director (UAE)

Sarah graduated with a First in Modern History from New College Oxford. She has taught in a number of schools at home and abroad, boarding, day, single-sex, co-educational, state and independent and has recently retired after 16 years of headship. Sarah has a strong interest in curriculum reform and in encouraging creativity in teaching & learning. She was involved from the outset in the development of the Extended Project Qualification and the Cambridge Pre-U. Sarah was appointed Head of Kingston Grammar School in 2009, Head of the City of London School in 2014 and High Mistress of St Paul's Girls' School in 2017. In her words, "Education should be about welcoming and cultivating inner talents and natural creativity, encouraging a joy in learning that enables young people to Jive life to the full and to engage positively as citizens of the world."