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Dr. Tosca Killoran  | Acting Secondary School Principal
Dr. Tosca Killoran has been an educator in the IB international community in Asia, Europe and North America since 2000. Beyond her educational leadership, Tosca acts as a consultant to international schools as well as a presenter and keynote speaker at conferences and professional development sessions.
Tosca’s published research focuses on innovation and equity in education. She co-founded ED-ucation Publishing, founded TEDxYouth@BIS, TEDxYouth@NIST, and TEDxYouth@Jingshan in order to give a voice to #youthchangemakers. Her passions are global citizenship, equity in education, and providing opportunities for diverse communities to connect. She is an Amazon bestseller author of children’s books, a website designer and app creative director. Her passions are global citizenship, service learning, and providing opportunities for diverse communities to connect
Catriona Treanor | Secondary Vice Principal
Catriona Treanor | Secondary Vice Principal
catrionatreanor@ishcmc.edu.vn
Catriona is a passionate and dynamic educator and leader with a strong commitment to fostering collaborative learning environments that support student success in their chosen pathway. With a deep belief in the importance of holistic, student-centred education, she prioritises the social and emotional well-being of every learner. Catriona is dedicated to equipping students with the skills, knowledge, and values needed to thrive as compassionate, responsible global citizens in our rapidly evolving world.
Catriona began her career studying and teaching in the United Kingdom. With over 13 years of teaching and leadership experience, she has led academic and pastoral teams in China and, most recently, Singapore. Catriona is joining ISHCMC as Secondary Vice Principal in August 2025.Â
Laney Rweyemamu | Assistant Secondary Principal & DP CoordinatorÂ
Student-centered teaching and learning is at the core of Laney’s educational philosophy. Laney works to ensure that the voice of each student is heard so that all stakeholders can work collectively to harness each students’ academic and personal potential, and create a path for their future endeavors. This is done through active listening and participation in collective decision-making, by fostering healthy relationships built on open communication, feedback and goal setting, and by allowing students to take ownership over their own learning.Â
Simon Scoones | Assistant Secondary Principal & MYP CoordinatorÂ
Simon remains passionate about teaching and learning, both in a classroom setting and beyond. He has a strong belief in the value of student-centred approaches to learning and the international school context to prepare our students as the global citizens of the future. Thanks to his previous role as a PGCE tutor at the Institute of Education/University College London, Simon also enjoys the challenge of supporting colleagues in developing innovative, diverse and engaging learning activities.Â
Larry Huynh | Dean of Students Middle School
Dexter Sinclair | Dean of Students High School
Alex Wolfe | Grade 6 Leader
Oliver Drishila | Grade 6 Leader
As a 21st century facilitator, Drishila truly believe in the three unique codes of life, “Learn, Unlearn and Re- Learn. At the core of her character lies an insatiable hunger for knowledge and growth, always willing to learn, unlearn, and re-learn to adapt to evolving challenges. When she look backs in life , she wants to make sure she has lived up to her values of Integrity. She wants to live her life in accordance with her deepest moral values with the practice of being honest, showing a consistent and uncompromising adherence to strong moral and ethical principles which she will always be proud of. As a beacon of integrity and a champion of continuous improvement, Drishila likes to enrich the workplace, inspiring those around her to embrace excellence and embrace change.
Mary Ascione | Grade 10 Leader
Shawn Roys | Grade 11 Leader
Thomas Pettifor | Grade 12 Leader
Tom is a passionate Mathematician who enjoys exploring new concepts and ideas. He is particularly interested in Complex Analysis and Mathematical Biology. After graduating with a masters degree in Mathematics from the University of Oxford, Tom spent two years teaching in Wales followed by seven years of teaching in South Korea before arriving in Vietnam. Tom likes to play sports in his free time, especially basketball and volleyball.
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Adam Abbas - Secondary Personal Project Coordinator
Adam Harri Colman - Secondary Physical Education Teacher
Alessandro Masi - Secondary Mathematics Teacher
Alexander Wolfe - Assistant Grade Level Leader/Grade 6
Alice Williams - Leader of Learning English Aquisition
Andrea Schuitema - Secondary English Language Teacher
Andrew Gill - Education Technology Integration Coach
Angela Furniss - Secondary Leader of Learning Mathematics
Aniruddha Upasani - Secondary InSoc Teacher
Anita Mbunwe - Secondary English Language Teacher
Annabel Lalonde - Secondary English Language Teacher
Ashwitha Uchil - Secondary InSoc Teacher
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Benjamin Snitker - Secondary Science Teacher
Brandon Gauthier - Secondary InSoc Teacher
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Cadogan Charles - Secondary Counselor and DDSL
Chiwoo Noh - Secondary Korean Language Teacher
Chloe Gibb - Secondary Visual Arts Teacher
Craig Furniss - Secondary Leader of Learning TOK
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Daniel Prost - Secondary Athletics Director
Dao Nhat Tuong Vi - Administrative Support Assistant
Dawn Reynolds - Secondary Visual Arts Teacher
Derek Havelock - Secondary Design Technology Teacher
Dhruv Kalakoti - Secondary Physical Education Teacher
Do Thi Ngoc Phuong - Secondary English Language Teacher
Do Thi Tram Anh - Future Pathways Counselor
Donald Gensemer - Secondary InSoc Teacher
Dong Thi Ngoc Hang - Secondary Library Assistant
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Elizabeth Cominole - Grade Level Leader - Grade 7
Elizabeth Maderas - Secondary English Language Teacher
Erin Edge-Garcia - Secondary Design Technology Teacher
Eva Wylie - Secondary English Language Teacher
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Falcon Santos - Secondary Science Teacher
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Geverlyn Sacley - Secondary Music Teacher
Gouxu Zhang - Secondary Mandarin Language Teacher
Gudipati Babu - Secondary Mathematics Teacher
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Ha Thi Van Anh - Grade Level Leader - Grade 9
Haley Kalinichenko - Leader of Learning Design Technology
Hayley Edge-Garcia - Grade Level Leader - Grade 8
Heeyeon Kim - Secondary Mandarin Language Teacher
Hillary Banks - Secondary Counseling Lead and DDSL
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Jaime Weiler - Leader of Learning English Acquisition
James Michael Slattery Jr - Secondary Physical Education Teacher
James Hadley - Secondary Media Arts Teacher
Janice Smith - Secondary MYP Mother Tongue Coordinator
Jason Petrasanta - Secondary Leader of Learning InSoc
Jeffrey Araula - Secondary Science Teacher
Jemima Khalli - Secondary Leader of Learning Language A
Jonathan Pratt - Personal Project Assistant Coordinator
Joseph Mellors - Secondary Spanish Language Teacher
Joshua Tenorio - Secondary Mathematics Teacher
Justin Reyes - Secondary English Language Teacher
Justin Babcock - Secondary Leader of Learning Science
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Karen Medalla - Secondary Science Teacher
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Laney Rweyemamu - IB Diploma Programme Coordinator
Lee Pilon - Secondary PHE and InSoc Teacher
Leilanie Nacario - Learning Support Teacher/LS Leader of Learning
Luan Xich Nguyen - Secondary Mathematics Teacher
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Marcel Gulpers - Secondary Learning Support Teacher
Marshall Annis - Secondary IBDP CAS Coordinator
Mary Ascione - Grade Level Leader - Grade 10
Mayu Murata - Assistant to Director
Michelle Lockwood - Future Pathways Counselor
My-Linh Pauline Tran - Secondary IELP Teacher
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NamHee Park - Secondary Community Project Coordinator
Nguyen Ha Vi - Secondary Vietnamese Language Teacher
Nguyen Ho Que Giang - Secondary Vietnamese Language Teacher
Nguyen Hoan - Secondary Academic Assistant PE
Nguyen Hong Ngoc - Administrative Support Admin (Athletics & ASA)
Nguyen Lu Phung Uyen - Secondary Library Assistant
Nguyen Ngoc Chi - National Programme Coordinator
Nguyen Ngoc Mai - Secondary Vietnamese Language Teacher
Nguyen Quoc Anh Tran - Secondary Mathematics Teacher
Nguyen Thanh Phong - Secondary Physical Education Teacher
Nguyen Thi Tra Mi - Administrative Assistant to Counselling and IBDP
Nguyen Thuy Kim Dung - Secondary InSoc Teacher
Nguyen Thuy Linh - Personal Assistant to Secondary Principal
Nguyen Truc Quynh - Secondary Design Technology Teacher
Nguyen Van Tho - Secondary Academic Assistant Science
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Oliver Jeyapaul - Grade Level Leader - Grade 6
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Paul Brotherton - Leader of Learning Physical Education
Philippa Sheward - Secondary Physical Education Teacher
Pho Thien Ai - Secondary Academic Assistant Visual Arts
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Robin Klymow - Secondary InSoc Teacher
Rodrigues Francis - Secondary Design Technology Teacher
Rodrigues Alagdon - Secondary IELP Teacher
Roy Regeling - Secondary French and Spanish Teacher
Ryan Gibson - Secondary English Language Teacher
Ryan Pool - Secondary Learning Support Teacher
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Saket Raje - Secondary Leader of Learning Arts
Sander Meulen - Secondary Science Teacher
Sarah Connon-Griffiths - Secondary Belonging and SSST Coordinator
Shawn Roys - Grade Level Leader - Grade 11
Simon Scoones - IB Middle Years Programme Coordinator
Susanne Manthey - Secondary Mindfulness Coordinator
Suzanne Fennell - Secondary Learning Support Teacher
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Thomas Fennell - Secondary English Language Teacher
Thomas Pettifor - Grade Level Leader - Grade 12
Thompson Naima - Secondary Theater Teacher
Ton Tho Dang Khoa - Secondary Academic Assistant Design
Tran Nguyen Anh - Secondary AV and Theater Technician
Tran Thi Nha Lien - School Secretary
Truong Thuy Ai - Secondary Academic Assistant Food Tech
Tulika Bathija - Secondary English Language Teacher
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Uytiepo Vela - Secondary Mathematics Teacher
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Vladimir Simic - Secondary Design Technology Teacher
Vo Truc Linh - Instrumental Music Administrator
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Wayne Harwood - Secondary InSoc Teacher
Wisdom Abutiate - Secondary Music Teacher
Wu Xi Hua - Secondary Mandarin Language Teacher
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