Our Team

Our teaching staff is recruited from all over the world.
All our teachers have degrees / higher degrees and teaching certifications
from well-established higher education institutions.
We also look for teachers who are dynamic, enthusiastic, caring, internationally minded and lifelong learners. We expect our staff to be totally committed to doing their very best in the interests of all our students and our school.
Our teaching staff is complemented by teacher assistants who support student learning throughout the curriculum. A full-time qualified Nurse is available to provide medical care for students when required.
- Senior Leadership
- Early Childhood
- Primary School
- Secondary School
- Specialist Teachers
- Additional Needs
- Admissions & Marketing
- Support Staff
Mark Renie

Mark Renie
Designation
Head of School
Mark has a BA in Sociology and Labour Studies from York University, a PGCE from Sunderland University, and an MEd in Curriculum Studies and Teacher Development from the University of Toronto. More recently, he received his Certificate in School Management and Leadership from Harvard University’s Graduate School of Education.
Mark has over 20 years of experience in education, several of which have been in leadership positions in international schools in South East Asia and China. Through his roles as an educator and school leader, he has deep knowledge of developing and implementing curricula ranging from the IB PYP and IB DP to the National Curriculum of England, the Cambridge IGCSE and and the Shanghai Formed Curriculum.
Mark believes that the way forward in education is to ensure that the learning approach is student-centred, engaging and experiential, including the use of technology. As a leader, he envisions a collaborative process for the entire staff, which empowers everyone to co-create a learning ethos where students can thrive and attain their true potential.
Jasween Gill

Jasween Gill
Designation
Admissions & Communications Director
Originally from the UK, Jasween joined OWIS when the school had only 120 students. What drove Jasween to OWIS was seeing the school place children first, championing open communication and having such strong core values – all of which remain true to this day.
Adrian Deller

Adrian Deller
Designation
Senior Coordinator, OWIS Suntec
Adrian Deller is originally from The Cotswolds, UK. He holds a PGCE in Primary (specialised in Mathematics) from The University of Exeter and a Bachelor’s Degree in Quantity Surveying (Hons) from Birmingham City University.
Prior to becoming a teacher, Adrian worked as a quantity surveyor for 10 years. He took a break to spend more time with his two daughters when he relocated with his family to Malaysia. It was during this time he became involved in running a toddler activity group and decided to become a teacher. He started his career in teaching at a junior school back home and then at an international school in the Bahamas prior to moving to Singapore.
A strong believer in the value of learning as an active process, Adrian aims to provide opportunities for concepts to be experienced through inquiry and understood in context. He also believes that it is important to build relationships with the children in his class, get to know their interests as well as what motivates them to learn. Adrian plans to cater carefully for the individual needs of his students and to both support and extend all students at each level of ability.
Adrian likes working in a busy and stimulating international school like OWIS, with its unique values and an experienced and innovative staff body.
Adrian enjoys playing football, table tennis, scuba diving, tennis, cycling, travelling and reading. He also likes to eat anything spicy!
Irma Suryani Shahlan
PYP Coordinator & Grade 3 Teacher, OWIS Suntec

Irma Suryani Shahlan
Designation
PYP Coordinator & Grade 3 Teacher, OWIS Suntec
Irma is a Singaporean with a Bachelor’s degree in Commerce from the University of Manitoba, Canada and a Diploma in Early Childhood Education from MMI (London) Singapore.
Irma has been a dedicated educator for the past 19 years, both in Singapore preschools and international schools in Jakarta, Indonesia. She has taught students from various grades with age ranging from 3 to 18 years old.
Irma is passionate about her belief that every child has the potential to excel and that learning is a lifelong journey for both teacher and student.
Irma loves baking and has a soft spot for pastries.
Laura Coulter
Pastoral Care Coordinator & Grade 5 Teacher, OWIS Suntec

Laura Coulter
Designation
Pastoral Care Coordinator & Grade 5 Teacher, OWIS Suntec
Laura is from Saskatchewan, Canada and has been living and working overseas for close to twenty years. She has a Bachelor of Education from the University of Saskatchewan.
Laura believes that teaching is a learning journey and teachers who demonstrate curiosity, creativity, generosity and reflective thinking encourage students to achieve their goals. She strives to motivate students in ascertaining their inner strengths and discovering what truly inspires them with a growth mindset. She encourages students to learn more actively and independently by nurturing a curiosity that goes beyond the formal curriculum, and a love for learning that stays with them through life.
Laura loves that there is always something new to learn, explore and celebrate in a typical school day. She tries to include small art activities and exploration for her students each day within the learning. She believes in encouraging and being a role-model of kindness at OWIS as it has a ripple effect in building a positive learning community.
Laura is a globe trotter, having travelled to over 75 countries, and she loves reading (52 books each year) and making candles.
Mahalakshmi S
Early Childhood 1/2 Teacher

Mahalakshmi S
Designation
Early Childhood 1/2 Teacher, OWIS Suntec
Mahalakshmi S is a Singaporean Early childhood educator who strongly believes in play-based learning for all EC students. Mahalakshmi has a Diploma in Early Childhood Care and Education (Teaching) from Modern Montessori International Academy, Singapore and a Diploma in Hospitality and Tourism management from Temasek Polytechnic.
Mahalakshmi has over 9 years of experience working with early learners in international pre-schools and kindergartens using the IB PYP framework to develop a sense of inquiry in her students. She loves to make learning fun through play. She believes in collaborating with her students throughout their learning journey and using technology prudently to help students achieve their goals.
Paresha Shroff
Early Childhood 3 Teacher

Paresha Shroff
Designation
Early Childhood 3 Teacher, OWIS Suntec
Paresha is from Mumbai, India. She began her journey as an Early Childhood teacher in 2010 and attained the title of Centre Head of the preschool in a span of three years. She also built a new centre from scratch with her mentor by her side.
Paresha believes that a classroom should be a safe, caring community where children are free to speak their minds and blossom and grow. She also believes that each child is unique. Therefore, she endeavours to bring out their best potential.
Her own children are her strongest inspirations. Paresha says they make her a better teacher just by being themselves. In her time at OWIS, she looks forward to helping her students learn, create and build. She is known for being fun-loving, approachable and enthusiastic.
Paresha believes that kindness begets kindness, and no act of kindness is too small. The gift of kindness may start as a small ripple but can, over time, turn into a tidal wave affecting the lives of many.
In her free time, she enjoys painting, cycling and travelling around the world.
Jessica Latief
Early Childhood 3 Teacher

Jessica Latief
Designation
Early Childhood 3 Teacher, OWIS Suntec
Norhazariah Mustadi
Early Childhood Teacher

Norhazariah Mustadi
Designation
Early Childhood 1/2 Teacher, OWIS Suntec
Early Childhood Teaching Assistants
Anita Kapur

Anita Kapur
Designation
Early Childhood Teaching Assistant, OWIS Suntec
Nurul Fatin Binte Shahrul Amran
Early Childhood Teaching Assistant
Nurul Fatin Binte Shahrul Amran
Designation
Early Childhood Teaching Assistant
Alethea Luo Jiayi
Grade 1 Teacher

Alethea Luo Jiayi
Designation
Grade 1 Teacher, OWIS Suntec
Alethea Luo Jiayi grew up and studied in Singapore with her parents, two brothers and two dogs. She has a Diploma in Early Childhood Education and Leadership and a Bachelor of Science in Early Education from Wheelock College.
Alethea was inspired to become a teacher when she became an assistant teacher in a voluntary organisation. After four years, she discovered that teaching and working with children was her passion.
As a teacher, Alethea believes that children learn best when they feel happy and are active participants in their learning. She strives to provide a warm and engaging environment for her students, so they can feel confident and safe to explore the world freely. In addition, she hopes to instil a sense of love, respect and kindness in every student in her classroom. Alethea does this by modelling these values for her students.
At OWIS, she’s looking forward to implementing the IB PYP curriculum, getting to know her colleagues and having fun learning with her new batch of children.
In her free time, she volunteers with animal welfare organisations that rescue dogs.
Sue Lynn Tan
Grade 1 Teacher

Sue Lynn Tan
Designation
Grade 1 Teacher, OWIS Suntec
Sue Lynn is originally from Malaysia. She has over 5 years of teaching experience in an IB International School. She first started teaching in Malaysia before moving to Singapore. She has taught in Uplands International School of Penang before moving to Fairview International School in Kuala Lumpur. She has worked in a variety of settings with children aged 5-12 years. Here at OWIS, She is the homeroom teacher for Grade 1 as well as teaching EAL (English as an Additional Language).
[Course & Subjects]
International Baccalaureate Primary Years Program – Early Childhood 1 to Grade 5 : Science, Language, Arts, Mathematics, Personal Social and Physical Education and Social Studies.
Michelle Kang
Grade 2 Teacher

Michelle Kang Jun Ling
Designation
Grade 2 Teacher, OWIS Suntec
Michelle is a native of Singapore with a Bachelor of Arts (English and Cultural Studies/Linguistics) and a Master of Teaching (Primary). She has been teaching in Singapore for the past two years and, prior to that, taught in Korea and Australia, where she was trained in the Australian Curriculum.
Though her teaching style is ever-evolving, Michelle believes that education should be student-led. As a teacher, she believes it is her responsibility to offer students the opportunity to explore topics in a hands-on way, both in and outdoors.
Michelle firmly believes in teaching children to be global citizens who consider their actions and how these actions impact the world around us. She hopes to nurture resilient and compassionate leaders who think for themselves and have a lifelong love of learning.
At OWIS, Michelle is excited to get to know her students, watch them grow and make connections. She’s also looking forward to collaborating with fellow staff members and contributing to school events. She came to OWIS because of the kindness and compassion demonstrated by the staff and administration. These values are the foundation upon which all other values are built. Students describe her as hardworking, reflective and creative.
In her spare time, Michelle enjoys reading, listening to music and collecting minerals.
Mangalam Veeraghanta
Grade 2 Teacher

Mangalam Veeraghanta
Designation
Grade 2 Teacher, OWIS Suntec
Tay Hsien Yung (Kieren)
Grade 4 Teacher

Tay Hsien Yung (Kieren)
Designation
Grade 4 Teacher, OWIS Suntec
Primary School Teaching Assistants
Fauzia Siddiqui
Grade 1 Teaching Assistant

Fauzia Siddiqui
Designation
Grade 1 Teaching Assistant, OWIS Suntec
Rathi Baskram
Grade 1 Teaching Assistant

Rathi Baskram
Designation
Grade 1 Teaching Assistant, OWIS Suntec
Nikita Nangia
Grade 1 Teaching Assistant
Nikita Nangia
Designation
Grade 1 Teaching Assistant, OWIS Suntec
Thomas Davies
Secondary Teacher, OWIS Suntec

Thomas Davies
Designation
Secondary Teacher, OWIS Suntec
Tom is from Wales and has a degree in business management from Swansea University and a PGCE in Geography from Reading University. He has held teaching positions in the UK and Abu Dhabi.
Tom believes that students learn best when they feel welcomed, comfortable and safe. He’s excited to teach at OWIS because he’s looking forward to the opportunity to teach internationally whilst learning from children from all different cultures.
He can’t wait to meet his students at OWIS, and he’s also looking forward to working in an environment that teaches kindness and compassion. Tom believes that OWIS nurtures curiosity, which is important for all students. His students describe him as compassionate, invested and resilient.
In his free time, Tom enjoys playing golf, rugby, football and skiing.