Executive Leadership Team

Jonathan Standen Head Master
Head Master Jon Standen

Jon Standen joined Harrow Bangkok as Head Master in January 2019. Jon grew up in Kent in southeastern England and read Ancient History and History at the University of Nottingham. He began his education career teaching history and government and politics and then held two deputy head positions in southwest England. Jon’s first headship was at The Crypt School, England in 2007. Under his leadership, the school became a national teaching school and Jon was recognised as a National Leader of Education. Jon later became Head Master of Plymouth College, England, a day and boarding school for 3-18 year olds and was also the Chairman of the Southwest England division of the Headmasters' and Headmistresses' Conference (a professional association of heads of the world’s leading independent schools).

Tim Jefferis Second Master
Second Master Tim Jefferis

Tim Jefferis read Geography at Nottingham University, where he also completed his PGCE. He taught at Warwick School before being appointed Head of Geography at Uppingham School. After nine years at Uppingham, the last five as a House Master, he was appointed Deputy Head (Academic) at Oswestry School. He arrived as Second Master at Harrow Bangkok in August 2017. As Second Master he has responsibility for the day-to-day running of the school including all extracurricular matters, pastoral coordination, the calendar, major events, compliance issues and boarding.

Joanne Khanteetao Director of Human Resources

Director of Human Resources, Joanne Khanteetao

Jo graduated with a degree in Design from Winchester School of Art and then returned to study for her PGCE at the University of Brighton. After initially working in the UK, and a brief period of travelling and volunteering in Asia, Australia and New Zealand, Jo arrived in Thailand, where she worked in other international schools, including St Johns and St Andrews. She joined Harrow Bangkok in 2002 in the Early Years and later became the Head of Early Years. In 2013, she became the Deputy Head of Lower School and more recently has made a career change into Human Resources (HR). Jo is now the Director of HR and is responsible for the day-to-day running of the HR Department.
Mathew Rees Director of Operations

Director of Operations Mathew Rees

Mathew studied Business Studies at the University of Wales, Swansea where he also gained his PGCE. Following a number of years in the commercial and educational sectors in the UK, Mathew joined Harrow Bangkok in 2004. Having experienced a number of academic leadership roles at the School, he became Business Director in 2010 and subsequently, Director of Operations in 2012. In his current role, Mathew leads the execution of the strategic development plan for the school’s expansion project HBuild. His responsibilities also cover all aspects of campus services to deliver educational services.  Mathew holds a number of qualifications in health and safety and is training towards Chartered Surveyor status with RICS.
Nicholas Prockter Head of Lower School

Head of Lower School Nicholas Prockter

Nicholas Prockter was educated at Roehampton in London. After a brief spell as a broker at Lloyds of London he began his teaching career in the late 1990s. Nicholas became a primary head in the UK in 2004 and went on to successfully lead three schools in South East London and become accredited as a National Leader of Education (NLE), a role whereby he provided leadership support for many other schools. Through this work, Nicholas became one of the first heads to form and lead a National Teaching School in the South East region.  Nicholas moved to Harrow Bangkok with his family in 2014 and is responsible for the running of our Lower School (EYC and Pre Prep).

Jonny Liddell Head of Upper School

Head of Upper School Jonny Liddell

Jonny Liddell read Natural Sciences at Trinity Hall, Cambridge and completed his PGCE at King’s College, London. He started his career in the state sector in London before working as Head of Science and then Assistant Head of Upper School at the British School in Tokyo, followed by Deputy Head (Academic) at the British School of Milan. He has been Head of Upper School at Harrow Bangkok since 2015. Jonny is a fellow of both the Chartered College of Teaching and the Chartered Institute of Educational Assessors.

Neil Mollison Director of Finance


Neil graduated in engineering from Aberdeen University and completed a one-year postgraduate engineering programme at Cambridge University. He qualified as a Chartered Accountant with Pricewaterhouse Coopers and has over 25 years global financial management experience, mainly in the oil & gas sector having worked for companies such as ExxonMobil and BG Group plc. For the past five years he also performed governor roles for a non-profit British international school in Thailand. Neil joined Harrow Bangkok in 2017 and is responsible for all finance related matters, as well as serving as the Secretary to the Board of Governors.