Senior School Staff

Mr Kirk Peter Green MSci PGCPSE, ARCS

Deputy Head – Academic (British)

Kirk is currently Deputy Principal – Curriculum at Prince of Wales Island International School, Penang, Malaysia.

He has a Masters degree in Science (Physics) from Imperial College London, and has been Head of Physics at two previous schools. He has an extensive knowledge of the British curriculum, and overseeing a rigorous academic program in his current role.

He is a PADI qualified instructor, with a great knowledge of the dive industry in the Chonburi region. Kirk’s wife is Thai, and they are looking forward to moving their family to Thailand.

Mr David Ennis-Billing BA (Hons) PGCE

Deputy Head – Pastoral / Head of Boarding (British)

Dave took his degree at Loughborough University. He is currently a Housemaster at Strathallan School in Perthshire. He has previously taught at Ampleforth College and Uppingham School, where he coached 1st XI Cricket and 1st XV Rugby. He has a very strong background in Independent boarding schools.

Dave had experiences in start-up projects in two of his previous schools, and will bring a keen eye for detail to our pastoral programme at RST.

He has a love of literature and looks forward to helping establish a strong A Level English programme at Rugby School Thailand.

Mrs Donna Ennis-Billing MA (Hons) PGCE

Head of History (British)

Donna took her degree at St Andrew’s, and is currently teaching at Strathallan School in Perthshire, where she has been both Assistant Director of Studies and Head of History.

Donna is an avid horse-rider, and has competed at national level in eventing, games and working hunter. She is also a keen cyclist, and has completed a solo ride from Land’s End to John O’Groats for charity. She enjoys running, and is actively involved in Girls’ Games. She is also Head of Debating at her current school.

Donna has been instrumental in curriculum development and design in History at her current school and will bring expertise to the post at RST.

Miss Claire Hanly BA PGCE

Head of English (Zimbabwean)

Claire is currently teaching at Peterhouse Boys School in Harare, having previously taught at Peterhouse Girls, where she was also a pupil.

Claire took her degree at Rhodes University in Grahamstown, South Africa, where she majored in English and Psychology. Claire currently teaches English Literature to A Level and English Language to AS level.

As Claire stated in her application ‘Being active is a large part of life in Zimbabwe’, and she is actively involved in a range of sports, coaching hockey and swimming, as well as being involved in numerous outdoor education camps.

She has a deep love of books, theatre and music, and is very excited about her move to Thailand.

Mr Christopher Sudding BEng (Civil) PGCE

Head of Mathematics (British)

Chris has been Head of Mathematics at The Oratory School in Berkshire for the last six years, establishing it as one of the leading academic departments at the school.

After Officer training at Sandhurst, he took his degree in Civil Engineering at Cranfield University. He served as an Officer within the Corps of Royal Engineers (British Army), serving in locations worldwide and rising to the rank of Major.

Utilising his degree in Civil Engineering and military experience Chris enjoys bringing Maths to life and creating a stimulating and passionate learning environment in the classroom, where pupils are able to fully understand (and demonstrate) the mathematical processes that are being taught.

Chris enjoys outdoor challenges and expeditions, recently taking a group of students to Nicaragua for a three week expedition.

Mrs Erin Dalaman BSc, Dip Tchg (Sec)

Mathematics Teacher (Cook Islander)

Erin hails from the tiny Pacific Island nation of the Cook Islands. She took her degree at the University of Auckland with a double major in Computer Science and Mathematics where she was awarded the senior prize in Mathematics.

Erin is currently teaching IB Advanced Mathematics at Dulwich College, Shanghai, and has been Head of Mathematics in schools in the Cook Islands, Turkey, and Cyprus. She has also held leading Pastoral roles in both her current and previous schools.

Erin is a netball coach and enjoys a variety of outdoor pursuits. She has led Duke of Edinburgh activities at Bronze, Silver and Gold level.

Mr Stuart Douglas BDes (Hons), MA,  PGCE, PGCIE

Head of Design and Technology (British)

Stuart is currently a Specialist Leader of Education – outreach support for D&T in other schools, and Head of Design and Technology at Ripley St Thomas Academy in Lancaster.

He took his degree at the University of Liverpool, and his Masters degree at the University of Warwick.

He has run a number of CPD courses in Sketching and Advanced Design Communication for teachers across the UK.

Stuart enjoys the outdoors and is a dedicated triathlete, having competed in five Ironman long distance and three Ironman half-distance triathlons. He also enjoys snowboarding, and looks forward to joining the co-curricular programme at RST.

Mr Robert Costin BA (Hons) FRCO ARCM

Director of Music (British)

Robert began his musical career as a chorister at Peterborough Cathedral. He was educated at Oundle School, the Royal Academy of Music and Cambridge University, where he was Organ Scholar of Pembroke College. He was awarded the Fellowship diploma of the Royal College of Organists at the age of nineteen.

As an organist, he has held positions at St Matthew’s Church, Northampton, St Alban’s Church, Holborn, Wellington Cathedral of St Paul, Holy Trinity Cathedral, Auckland, Blackburn Cathedral and All Saints’ Church, Blackheath.

Robert enjoys an international reputation as a musician of exceptional versatility, being equally at home as a keyboard soloist, ensemble player, conductor and teacher. Robert is currently Head of Music at St Louis School in Milan. He has previously taught at Highgate School in London, was the Assistant Director of Music at Bedford School, and was the Director of Music at Ardingly College in West Sussex.

Miss Felicity Passmore BA (Hons), PGCE

Head of Drama (British)

Felicity is currently teaching Drama at Brentwood School in Essex. She took her degree at the Royal Central School of Speech and Drama, where she was awarded First Class Honours.

Felicity currently teaches A Level, IB, and GCSE Drama, so is familiar with a range of curriculum contexts. She is eager to see Drama open doors for students at RST in the fields of lighting, stage management, script writing, and acting. When training to become a teacher, she spent six weeks in Mumbai, teaching Drama skills to street children in Kandivali, and three different schools.

Felicity is currently KS3 Coordinator of Drama at her school, and is responsible for designing and maintaining the lower school curriculum.

As well as developing Drama societies and a Live Theatre Film Club, she is also Netball coach, and looks forward to being a part of the co-curricular life of RST.

Mr Lewis Maddran BSc (Hons), PGCE

Teacher of Chemistry (British)

Lewis is currently teaching Chemistry at Clitheroe Royal Grammar School in Lancashire. He was also Head of Chemistry in his previous school. He took his degree at the University of Manchester.

Lewis has been a STEM leader in his schools, and is passionate about the educational value of STEM learning across the curriculum. He organised the Lancashire Science Festival that was held at his previous school, with 3000 members of the public attending the opening of the event.

As well as running Science societies and clubs at RST, Lewis enjoys tennis, badminton and cycling, and is looking forward to joining the co-curricular life of RST.

Mr Joshua Carmody BA (Hons), PGCE

Head of Geography (British)

Josh took his degree at the University of Newcastle. He was Lead teacher of Geography at Milltorpe School in York until he moved to Thailand in 2017.

His roles there also included being the Independent State School Coordinator, establishing links across independent and state schools across York, providing extra-curricular opportunities for able and interested pupils.

Josh has been a surfing instructor and has his Advanced Open Water PADI diving certificate, is a keen swimmer, and enjoys basketball and football. He is also a black belt in taekwondo.

He has led numerous school trips, including Iceland and Sicily, and looks forward to setting up a dynamic Geography department at RST.

Mr Tom Tuthill BA, MSc, PGCE

Teacher of Politics & Geography / Prep Boarding House Parent (British)

Tom is an Old Rugbeian, having taken his A Levels at Rugby in 1992. He took his degree at the University of Newcastle, a post graduate diploma in Broadcast Journalism at the University of Portsmouth, and then pursued a career in broadcast journalism covering events such as the Rugby World Cup, Wimbledon, the Winter Olympics, World Rally Championships, and Tour de France before he started teaching.

Tom is Head of Lower School, Head of Politics, and Director of Sport at Bloxham School in Oxfordshire.

Tom is very active in the sporting life of his current school, coaching rugby, hockey, and cricket. He also enjoys skiing and sailing. As an Old Rugbeian, he is keen to be a part of bringing Rugby’s ethos to RST.

Mr Andrew Maguire BA (Hons), MA, PGCE

Head of Modern Foreign Languages (British)

Andrew is currently a teacher of Spanish and French, Contingent Commander of the CCF, and Master in Charge of Squash at Rugby School.

He took his degree at the University of Coventry, where he received First Class Honours in Spanish and French. He also has an MA in Applied Translation from the University of Luton.

Before joining the teaching staff at Rugby in 2006, he was a freelance and technical translator.

Andrew’s interests include international film, literature and photography. He uses many resources from French and Spanish / Latin American film and literature in his classes, clubs and societies.

Andrew plays a significant part in the co-curricular life of Rugby School, and looks forward to taking an active part in the wider programme at RST.

Mr Richard Devesa BA (Hons), RSAC (TESL), GTP (MFL)

Teacher of Spanish and French (British)

Richard took his degree at Ruskin Anglia University. He is a bilingual Spanish and English speaker, and is fluent in French.

He is currently Head of Spanish, and Housemaster of a Senior boarding house at Bloxham School in Oxfordshire. Richard has taught English in Spain and the Canary Islands, and Spanish in Colorado.

Richard’s sporting interests include basketball, rugby, and swimming. He also lists kayaking, hiking and cycling as his interests, as well as being a film enthusiast, with a personal collection of over a thousand films.He is looking forward to moving to RST with his wife and two children.

Mr Lee May BA (Hons), PGCE

Head of Business Studies and Economics (British)

Lee is Head of Business Studies and Economics at Hill House School in Doncaster. He took his degree at Leeds Metropolitan University and then started his teaching career. He took time out of teaching to work in the City of London for nine years, before returning to teaching. He held leadership positions in his two previous schools, and is an A Level examination marker.

Lee is an enthusiast of rugby and cricket, and has been a coach, and referee or umpire of both sports.

Lee has organised various young enterprise schemes with his pupils, including a stock market game and Christmas fayre. He looks forward to providing these enrichment clubs and activities for his pupils at RST.

Mr James Rees BSc (Hons), PGCE

Head of Science (British)

James is currently Head of Science at Green Oasis School in Shenzhen, China. He took his degree at the University of Liverpool, majoring in Genetics.

Upon graduating, James taught in the UK for three years before moving to China. He will teach Biology at A Level and IGCSE at RST.

He lists his interests as hiking, camping, skiing, mountain biking and photography. He is a Level 2 Snowsport Instructor.

James is also a Duke of Edinburgh International Award Coordinator.  He looks forward to playing an active part in the co-curricular life of RST.

Sabrina Shah LowRes

Miss Sabrina Shah BA (Hons), PGCE

Head of Art (British)

Sabrina took her degree at the University of Brighton, where she was awarded First Class Honours for Painting. She also has a post-graduate diploma from the Royal Drawing School. She has received numerous awards for her painting.

Sabrina is currently a teacher of Art at Sevenoaks School in Kent, where she teaches from Year 7 to IB Diploma level.

She is eager to harness her enthusiasm and expertise to create a dynamic Art and Design Department at RST. Sabrina will create societies and other co-curricular opportunities for motivated young artists at RST.

Sabrina enjoys sports and is currently coaching netball and hockey teams at her school. She has also been a group exercise leader at a well–known gym franchise, and is looking forward to the sporting opportunities at RST.

Mr Kieron O’Brien BA/BSc (Hons), PGCE

Head of Physical Education and Games (British)

Kieron is currently Head of the Enrichment Programme at The British School, New Delhi.

Before this, he was Director of Physical Education and Sport.

Kieron took his degree at Canterbury Christ Church University and taught in east London before going to teach in India.

He has extensive experience running both Sport and Games at schools, and has a strong curriculum background in IGCSE, A Level and IB courses. He has been a ‘Healthy Schools’ Coordinator, setting up a ‘Fit for Life’ programme for pupils.

Kieron is an avid sportsman, having played rugby at 1st team level. He enjoys time in the gym, and as well as rugby, he lists football, athletics and swimming as interests.

He is looking forward to leading PE and Games at RST.

Simon Forrester

Mr Simon Forrester, BA (Hons), MA, PGCE, CELTA

Head of EAL (British)

Simon took his degree at Manchester Metropolitan University, and then completed his Master’s degree in Applied Linguistics and TESOL at the University of Leicester.

He is currently Head of EAL at Kingswood School in Bath. Simon has taught English Language and English for Specific Purposes in the Royal Air Force of Oman, and spent three years teaching English for a private language school in Tokyo.

Simon has extensive experience teaching EAL examination classes, including IELTS, Cambridge FCE, and Cambridge IGCSE ESL.

He is eager to return to an international posting. He has been heavily involved in the boarding programme at Kingswood, where he is an Assistant Boarding Housemaster, and looks forward to playing an active role in the wider life of RST.


Mrs Vanessa Devesa (Hons), RSAC (TEFL)

EAL Teacher (British)

Vanessa is currently teaching EAL at Bloxham School in Oxfordshire.

She took her degree at Huddersfield University, where she was awarded an Honours degree in Music. She took her TEFL qualifications at St Giles College. As well as teaching EAL, Vanessa is a passionate musician, having played violin in the Banbury symphony orchestra. She also helps out with the Music programme at Bloxham.

Vanessa is also a fluent Spanish speaker and has taught Spanish to Year 8. Vanessa taught English in Spain and the Canary Islands for many years, and also taught Spanish in Colorado.

Vanessa lists keeping fit as one of her passions, and she enjoys swimming, hiking, cycle interval training, squash, and tennis. Vanessa is excited about moving to Rugby School Thailand with her husband and two children.


Andrew Duckworth

Mr Andrew Duckworth BSc (Hons), PGCE

Teacher of Computer Science (British)

Andrew took his degree at Lancaster University. Before starting his teaching career, he worked in the IT industry, implementing and supporting computer network solutions. He worked in Thailand, South Korea, and Indonesia, before coming to Thailand to teach in Chiang Mai and Bangkok.

His most recent teaching post was at the Vietnam Australia International School in Ho Chi Minh City.

Andrew is looking forward to moving to RST, away from a big city. He enjoys the outdoors, especially mountain biking and triathlons. Andrew is keen to become involved in these activities at RST, as well as running IT focused clubs such as Robotics.


Craig Wood

Craig Wood (British)

Head of Aquatics

Craig joins us from the Isle of Arran in the UK, where in 5 years he has played a major role in transforming swimming and triathlon from basic programs to one of the top competitive clubs in the country. Within that time the very first government funded School of Sport at Arran High School has been established – a first in Europe – largely as a result of Craig’s efforts as Head Coach to push for excellence within the 3 disciplines (Swim/Bike/Run). Craig founded the hugely popular Island-2-Island event, which attracts open water swimmers and triathletes from all over the country.

Craig is a UKCC LEvel 2 Coach in both triathlon and swimming, as well as a UKCC Level 2 swim Teacher. He has coached children from as young as 8 to national titles, all the way up to Great Britain age group, European and World qualifications. Craig’s passion for sport does not just extend to coaching: originally from a rugby and swimming background, he is also keen and competitive triathlete himself, qualifying for multiple age group teams for Great Britain. In his first step up to the Ironman distance, he qualified for the World Championships this year.

Craig writes: “I’m really looking forward to developing one of the very best training and performance programmes at RST and believe the school has everything required to make this happen.”

Craig will be moving over to Thailand with his wife and two daughters. Both daughters also compete in all 3 triathlon sports.


Picture of Nathalie Winters 1

Nathalie Winters (Dutch)

School Counsellor

Nathalie has had nearly 30 years of experience as a school counsellor, psychologist, psychotherapist and a teacher. She has MSc in Psychology, MA in English Language and Literature and an International MBA. She started her career teaching English and Literature.

Having gained experience in the educational field, she moved to school counselling and school psychology. Nathalie loves working with children and young people and is passionate about making a difference in the lives of the pupils. She is a result-oriented, dedicated, reliable and highly motivated professional.

Having worked as a school counsellor and psychologist with international students in The United States, The Netherlands, UK, Spain, Russia and Thailand, Nathalie has developed her own methodology and offers a tailor-made solution for each individual case using her extensive knowledge of cognitive and behavioral therapy, positive psychology, psychoanalysis and hypnotherapy. The students trust her approach and her working style. They appreciate her understanding, empathy and friendly demeanor. Being trilingual: English, Dutch and Russian, Nathalie can work with lots of pupils in their native language.

Nathalie finds Rugby School an outstanding international school in Thailand and is exited to play a role in in the personal growth and development of the pupils.


Her daughter joined Pre-Nursery in September of 2018.