High School Learning Experience

Bradley Bird joined SJI International in 2023 as High School Principal. He has over 30 years of experience in secondary education across Australia and abroad. Previously, Bradley was Head of Secondary at the Australian International School, Singapore, where he led the implementation of high-impact teaching and learning practices across the IB and Higher School Certificate curricula. He holds a Master’s degree from the University of Melbourne, along with undergraduate qualifications in Commerce and Education.

Originally from Melbourne, Bradley spent two decades in the Victorian Certificate of Education system, holding a range of senior leadership roles. His passion lies in fostering holistic student learning and empowering young people with the voice, confidence, and skills to thrive in a diverse, ever-changing world. He is also deeply committed to the power of relationships in education and is guided by the mission and values of his Lasallian school community.

Alongside his leadership role, Bradley collaborates with the University of Queensland and the University of Warwick to support postgraduate teaching programmes. He also works with the Council of International Schools and the Western Association of Schools and Colleges, and advises two education companies based in Canada and Australia.

Renato Rainone joined SJI International in July 2007 and is currently Vice Principal - Curriculum, a role he has held since July 2020. With extensive experience in international education, Renato has held significant leadership positions, including Vice-Principal of the Senior School and Head of the Mathematics Faculty at SJI International. His expertise lies in curriculum review, academic excellence, and the development of pastoral care programmes.

Renato is passionate about the holistic development of students and fostering collaborative teams to achieve clear goals. He holds a Graduate Diploma in Education from the University of Melbourne and a Bachelor of Applied Science from the Royal Melbourne Institute of Technology.

Outside of work, Renato enjoys playing a variety of sports, skiing, surfing, and travelling with his wife, Beverly, and children, Matteo and Daniela.

Katie Wellbrook joined SJI International in 2021 as Vice Principal, Wellbeing and Achievement and Designated Safeguarding Lead. She has extensive leadership experience in international schools across the United Kingdom, Oman, China, and Uganda, with expertise in student wellbeing, safeguarding, and inclusive education. Katie holds a Master’s degree in Gender, Education and International Development from University College London and is a qualified Applied Suicide Intervention Skills Trainer (ASIST), as well as a CIS school accreditor.

Passionate about creating safe, supportive, and high-achieving environments, Katie works closely with staff, students, and families to ensure every learner is seen, supported, and challenged. She is also committed to empowering women in leadership and fostering psychological safety in teams.

Outside of school, Katie enjoys travelling and spending time with her young sons.

Lee McFarlane joined SJI International in July 2012 and is currently Vice Principal, Teaching and Professional Learning. With over 20 years of teaching experience, he has been an integral part of the school's growth, serving as a Chemistry teacher, Head of Chemistry, Head of Science, and Assistant Principal before his current role. Lee holds a Master of Education in Leadership from Queensland University of Technology and a Master of Teaching from the University of Sydney.

A dedicated teacher at heart, Lee remains actively involved in the classroom, sharing his passion for learning directly with students in his IB Chemistry and Theory of Knowledge (ToK) classes. He also contributes to the wider educational community through his work as an IB Chemistry examiner and a Council of International Schools (CIS) Team Evaluator.

Guided by the school's core Lasallian values, Lee is dedicated to building a high-trust environment where coaching, mentoring, and innovation empower both staff and students to thrive.

Guy Bromley joined SJI International in 2018 as Assistant Principal (IB). Originally from Christchurch, New Zealand, Guy developed his enthusiasm for the IB Diploma Programme while teaching in Tokyo, Japan, 17 years ago. With over 12 years of experience in senior leadership, he previously served as Deputy Head at international schools in The Hague, Netherlands, and Bali, Indonesia.

Guy’s passion lies in teaching Theory of Knowledge, where he helps students cultivate critical thinking skills and supports them with the Extended Essay.

Outside of school, Guy can be found on the tennis court, immersed in a game of chess, or exploring Singapore, which he now calls home, on his bicycle.

Supriya Kotwal-Mahajan joined SJI International in 2022 as Assistant Principal and Safeguarding Lead. She is an accomplished art therapist, counsellor, parent coach, ASIST (Applied Suicide Intervention Skills Training) trainer, and facilitator of parenting programmes. Previously, Supriya enjoyed a fulfilling career in corporate finance, and this rich, diverse background provides her with a unique and thoughtful perspective on leadership. She holds an MA in Art Therapy from LASALLE College of the Arts and a Master's degree in Counselling from Monash University.

A dedicated advocate of servant leadership, she believes that genuine leadership stems from a deep desire to serve others. Supriya’s empathetic expertise focuses on the social-emotional well-being and mental health of children and young people, particularly in areas of self-harm and suicidal ideation and behaviour.

Bringing a warm and approachable manner to her role, she is a strong and caring advocate for every student's right to feel a profound sense of belonging and connection. Supriya is committed to guiding students in discovering their inherent self-worth and achieving their fullest potential.

Originally from India, she and her family have made Singapore their home for nearly two decades.

Danielle Hamilton joined SJI International in 2016 and is currently Assistant Principal of Assessment and Technology for Learning, a role she has held since 2024. With nearly 20 years of experience teaching High School Mathematics, she previously held a leadership role within the Mathematics department at SJI International, coordinating the IGCSE Mathematics Programme.

In her current role, Danielle is focused on how teachers and leaders can leverage assessments and other data sources to enhance the learning journey for every student and drive continuous school improvement through the strategic use of robust systems and technology.

Florence Wayas joined SJI International in July 2024 as Assistant Principal for Enrichment. Her diverse career background includes working with the homeless, serving as an ISO internal auditor, and holding the position of Knowledge Transfer Executive, as well as extensive leadership experience in local and international schools, all of which she applies to her current role. Florence holds a Master's degree in Educational Leadership and Management and completed the COBIS Aspiring Heads Programme in 2022.

Florence's background as an educator spans the UK, South Korea, Russia, and Saudi Arabia. She believes education should empower students to identify their unique strengths and develop strong character. Notable achievements include initiating a Service Fair at Branksome Hall Asia, connecting students with NGOs, and serving as a key member of the team that won the International School of the Year award in 2021.

Passionate about the performing arts, teaching chemistry and curriculum development, Florence enjoys helping students see the real-world applications of their learning. Outside of work, she loves exploring new cultures through travel and has a vibrant personality, enjoying spicy food - a nod to her Nigerian heritage - and a good cup of tea.