CIS has experienced staff in all facets and areas of the school: academic, administrative and governance. This network of individuals and teams, outlined in our organisational chart, work together to ensure the best possible learning experience is provided to all students.
About our team
Senior leadership consists of our Board of Directors, a Management Team led by our CEO, a Senior Academic Team led by our Head of School, and a Heads of Department Team led by our CEO.
Our Board of Directors
- Jen Shu Liang Sherman
- Jen Marshall Hong
- Zhang Jingxia
- James William Beeke
- Kenneth Tan Jhu Hwa
- Boh Sang Wei (Alternate Director)
Our Management Team
- Mr. Johan Stromsater (CEO)
- Mr. Pete Corcoran (Head of School)
- Ms. Joanna Lim (General Manager)
- Mr. Brian Tucker (Management Representative)
School Registered Name: Canadian International School Pte. Ltd.
School Registered Address: 7 Jurong West Street 41, Singapore 649414
A highly qualified faculty
Faculty are the backbone of every great school. CIS faculty demonstrate a passion for education, and a commitment to the School’s mission, vision and ethos. CIS faculty have:
- International teaching experience
- IB experience and training
- Qualifications, expertise and experience in their respective fields
- A commitment to the concept of lifelong learning
Through a transformational delivery of academic programmes, and a focus on professional development and training for educational practitioners and leaders, CIS delivers a first- class educational experience for the global child.

Peter Corcoran
Head of School
Lakeside and Tanjong Katong
Pete Corcoran joined CIS in 2017 and has over 35 years of experience in education, both in Canada and internationally. Pete has been Head of School in academically prestigious schools in both Canada and South East Asia. Prior to his appointment at CIS he served as the Executive Director of the Qatar Foundation Schools where he oversaw a consortium of 10 schools and centers serving a population of 5,000 students. Peter has shared his vision of educational leadership and passion around school improvement in a variety of international settings throughout his career. He holds a Honours Degree in Psychology from the University of Victoria and a Masters in School Administration from the University of British Columbia.

Peter Corcoran
Head of School
Lakeside and Tanjong Katong

Heather Beck
Deputy Head of School
Lakeside and Tanjong Katong
Dr. Heather Beck is a visionary leader and innovative educator with a demonstrated track record of moving high achieving schools to the next level of academic excellence. Prior to her appointment at CIS, Heather served as superintendent of Lake Oswego School District - Oregon, one of the highest performing school districts in the United States. Leading a school district of 7000 students, ten schools and 700 employees, Heather was responsible for all facets of district operations including educational standards and practices, teacher professional development and parent education and engagement. Heather’s educational philosophy is tied to a deep love of learning and a commitment to continuous improvement, both personally and professionally. She holds a Bachelor of Arts from the University of Colorado, a Master's in Special Education from the University of Northern Colorado, and a Doctorate in Educational Leadership from the University of Denver.

Heather Beck
Deputy Head of School
Lakeside and Tanjong Katong

Daniel Smith
Secondary School Principal
Lakeside
Daniel Smith has worked in international education for the past 20 years in a variety of outstanding schools in Russia, India and Thailand. He earned his MA in Social Studies at Teachers College Columbia University and returned there to complete his M.Ed in Private School Leadership at the Klingenstein Center where he later served as the Assistant Director. During the course of his career, Daniel has worked in US independent schools as a teacher and administrator including travel to many international schools as the Director of International Partnerships for a US based international boarding school. His most recent position was as Head of School at Ruamrudee International School in Bangkok, Thailand.

Daniel Smith
Secondary School Principal
Lakeside

John Kernis
Secondary School Vice Principal
Lakeside
John Kernis is an American with over 18 years of experience in education. Most recently, John was the IB Diploma Coordinator at St. Joseph’s International School in Singapore. Some of his prior postings include the International School of Tanganyika and the Western Academy of Beijing in China. John holds a Bachelor of Arts in Comparative Literature from Hobart College in New York, a Master of Arts in Modern European Literature from the University of Sussex in England, a Master's degree in International Education Administration from Endicott College in Madrid, and just completed his Principal’s Training Center certificate. In addition, John has NEASC / CIS Accreditation Visiting Team Member Certification, has worked with the MYP on interdisciplinary learning curriculum development, is a Google certified educator, and has presented at the annual Teach Up conference here in Singapore.

John Kernis
Secondary School Vice Principal
Lakeside

Nicholas Kolentse
Secondary School Vice Principal
Lakeside
With over 13 years as an educator, Nicholas Kolentse has worked in schools in South Korea, Columbia, Myanmar, Germany and now Singapore. Most recently, Nicholas was Middle School Assistant Principal & Dean of Students at the Franconian International School in Germany. Nicholas is a passionate educational leader who believes that by adopting a learner-centered approach, students will be prepared for success in a rapidly changing world. Nicholas holds a Bachelor of Arts in History from Boston College (USA), a Master in Teaching from Whitworth University (USA) and is completing his UK Principal’s Training Center certificate in leadership.

Nicholas Kolentse
Secondary School Vice Principal
Lakeside

Colleen Drisner
Primary School Principal
Lakeside
Dr. Colleen Drisner is a highly respected educator who has spent the last 29 years in senior leadership positions in international schools globally. Most recently, Colleen was Head of Student Support and Wellbeing at CIS where she oversaw the delivery of integrated services of our school counsellors, psychologist, nurses, Learning Support and English Language Learner teachers. Prior to this, Colleen was the Secondary Principal at Beijing City International School. She has also worked as a DP Coordinator, as well as having taught DP Business Management and MYP English. Colleen earned her Bachelor of Arts from Waterloo, Ontario, a Bachelor of Education from the University of Toronto and a Masters in Business from the University of Melbourne. Colleen holds a doctorate in Educational Leadership from Gonzaga University in Spokane, Washington, USA.

Colleen Drisner
Primary School Principal
Lakeside

Joel Bevans
Primary School Vice Principal
Lakeside
Joel Bevan has over 15 years of teaching experience and holds a Bachelor’s degree in Primary Education from the University of Northumbria in Newcastle, UK and a Masters degree in Multidisciplinary Education Studies from Suny Buffalo State. Most recently, Joel was elementary curriculum coordinator and a member of the teaching and learning team at the International School of Panama. He also worked as a COETAIL online 12 instructor and an online coach for Harvard Graduate School of Education (Project Zero). He says: “Creating a culture in a school empowers learners to flourish, make a positive difference and reimagine the world around us. We as educators have an amazing opportunity to empower students to understand themselves as learners enabling them to transform their understandings, dispositions, and skills.”

Joel Bevans
Primary School Vice Principal
Lakeside

Xiomara Cruz
Primary School Vice Principal
Lakeside
Xiomara Cruz is an experienced educator and school leader with over 14 years teaching experience. For the last decade, she has focused on supporting the development of cohesive data-driven Bilingual education programmes. Xiomara has worked in Puerto Rico, the United States and Singapore and is skilled in educational leadership, lesson planning, educational technology, curriculum development and teacher training. She holds a Doctor of Education in Educational Leadership and Administration from Northcentral University, a Bachelor’s degree in Political Sciences from Universidad de Puerto Rico, a Master’s degree in Child Development from Texas Woman’s University and a Masters Degree in Bilingual Education from Southern Methodist University in Texas, United States. Most recently, Xiomara was Elementary Deputy Principal at Stamford American International School in Singapore.

Xiomara Cruz
Primary School Vice Principal
Lakeside

Angela Henderson
Primary School Principal
Tanjong Katong
Angela is a well-respected educator with over 25 years experience in primary education in Canada, USA, and Asia. She brings a wealth of educational leadership skills to her role as Principal and delivers educational focused workshops in Singapore and overseas. As the co-founder of the South East Asia Primary Administrators Conference (SEAPAC), and a facilitator for the Singapore Principal’s Network, Angela stays abreast of trends and best practices. Since joining CIS, Angela has played an integral role in developing CIS’ vibrant learning environment. Angela has received a variety of awards for her ongoing dedication and commitment to education excellence. Angela holds a Certificate of International School Leadership and a Masters of Education in Divergent Learning from Columbia College in the USA.

Angela Henderson
Primary School Principal
Tanjong Katong

Cherie Boltong
Primary School Vice Principal
Tanjong Katong
Cherie Boltong is a passionate educator with 27 years experience: 10 years in Australia and 17 in Singapore. She has a special interest and passion for early years education. Serving as Vice Principal at the CIS TK campus, Cherie has gained a significant amount of educational expertise by working across a diverse range of roles including PYP coordinator and Open Minds Coordinator. Cherie’s Bachelor of Education was awarded by the Australian Catholic University (ACU), and she remains committed to staff and students though her current study towards a Diploma of Counselling at the internationally recognised Australian Institute of Professional Counsellors. She looks forward to progressing into a Masters in the same field.

Cherie Boltong
Primary School Vice Principal
Tanjong Katong

Huali Xiong
Chinese Language and Bilingual Principal
Lakeside and Tanjong Katong
Huali Xiong has 35 years experience in education, 18 of which have been in an international setting. Huali is the author of the acclaimed Big Apple Chinese reader series which is used in schools around the world. Huali is frequently invited to be the keynote speaker at language conferences, consults to schools regarding Chinese curriculum development, and is an adjunct lecturer at NTU (National Technological University). Huali holds a Master of Science in international education - from the State University of New York.

Huali Xiong
Chinese Language and Bilingual Principal
Lakeside and Tanjong Katong

Egmond Boon
Head of creativity and Innovation
Lakeside
Egmond Boon has been with CIS since 2013 and has over 15 years of experience in international education. Egmond brings extensive knowledge and experience in curriculum leadership and innovative practices to his role as Head of Creativity and Innovation. Since joining CIS, he has played an integral role in shaping the meaningful use of technology to effectively support teaching, implementing Robotics, STEAM and innovative learning spaces. Egmond has received a variety of awards for his ongoing commitment to innovation in education and holds a Bachelor of Education from Inholland University.

Egmond Boon
Head of creativity and Innovation
Lakeside

Jamila Mac Arthur
Head of Student Support and Well Being
Lakeside
Jamila Mac Arthur has over 16 years of teaching and leadership experience. Jamila earned an MA in Primary Education from Loyola Marymount University and an MA in Educational Leadership from California State University. Prior to her appointment at CIS, Jamila served as Senior Partner of School Design Services at Transcend Education. She says: “Students’ academic success is inextricably linked to their overall well-being and that we can—and must—attend to the development of the whole child while also achieving excellence in academics.”

Jamila Mac Arthur
Head of Student Support and Well Being
Lakeside

Patricia Pope
Chinese Language and Bilingual Vice Principal
Lakeside and Tanjong Katong
Patricia Pope is an experienced educator with over 19 years teaching experience. Most recently Patricia served as PYP Coordinator at CIS Tanjong Katong. Prior to this she served as Deputy Director of Curriculum at ISA International Education Group. Patricia has frequently led IB workshops including PYP, bilingual and multilingual workshops across Asia and North America. As an IB school consultant, Patricia has consulted schools through their authorisation journey to becoming an IB accredited school. She holds an MA in Education from the University of Sunderland.

Patricia Pope
Chinese Language and Bilingual Vice Principal
Lakeside and Tanjong Katong

Peter Corcoran
Head of School
Lakeside and Tanjong Katong
Pete Corcoran joined CIS in 2017 and has over 35 years of experience in education, both in Canada and internationally. Pete has been Head of School in academically prestigious schools in both Canada and South East Asia. Prior to his appointment at CIS he served as the Executive Director of the Qatar Foundation Schools where he oversaw a consortium of 10 schools and centers serving a population of 5,000 students. Peter has shared his vision of educational leadership and passion around school improvement in a variety of international settings throughout his career. He holds a Honours Degree in Psychology from the University of Victoria and a Masters in School Administration from the University of British Columbia.

Peter Corcoran
Head of School
Lakeside and Tanjong Katong

Heather Beck
Deputy Head of School
Lakeside and Tanjong Katong
Dr. Heather Beck is a visionary leader and innovative educator with a demonstrated track record of moving high achieving schools to the next level of academic excellence. Prior to her appointment at CIS, Heather served as superintendent of Lake Oswego School District - Oregon, one of the highest performing school districts in the United States. Leading a school district of 7000 students, ten schools and 700 employees, Heather was responsible for all facets of district operations including educational standards and practices, teacher professional development and parent education and engagement. Heather’s educational philosophy is tied to a deep love of learning and a commitment to continuous improvement, both personally and professionally. She holds a Bachelor of Arts from the University of Colorado, a Master's in Special Education from the University of Northern Colorado, and a Doctorate in Educational Leadership from the University of Denver.

Heather Beck
Deputy Head of School
Lakeside and Tanjong Katong

Daniel Smith
Secondary School Principal
Lakeside
Daniel Smith has worked in international education for the past 20 years in a variety of outstanding schools in Russia, India and Thailand. He earned his MA in Social Studies at Teachers College Columbia University and returned there to complete his M.Ed in Private School Leadership at the Klingenstein Center where he later served as the Assistant Director. During the course of his career, Daniel has worked in US independent schools as a teacher and administrator including travel to many international schools as the Director of International Partnerships for a US based international boarding school. His most recent position was as Head of School at Ruamrudee International School in Bangkok, Thailand.

Daniel Smith
Secondary School Principal
Lakeside

Huali Xiong
Chinese Language and Bilingual Principal
Lakeside and Tanjong Katong
Huali Xiong has 35 years experience in education, 18 of which have been in an international setting. Huali is the author of the acclaimed Big Apple Chinese reader series which is used in schools around the world. Huali is frequently invited to be the keynote speaker at language conferences, consults to schools regarding Chinese curriculum development, and is an adjunct lecturer at NTU (National Technological University). Huali holds a Master of Science in international education - from the State University of New York.

Huali Xiong
Chinese Language and Bilingual Principal
Lakeside and Tanjong Katong

Colleen Drisner
Primary School Principal
Lakeside
Dr. Colleen Drisner is a highly respected educator who has spent the last 29 years in senior leadership positions in international schools globally. Most recently, Colleen was Head of Student Support and Wellbeing at CIS where she oversaw the delivery of integrated services of our school counsellors, psychologist, nurses, Learning Support and English Language Learner teachers. Prior to this, Colleen was the Secondary Principal at Beijing City International School. She has also worked as a DP Coordinator, as well as having taught DP Business Management and MYP English. Colleen earned her Bachelor of Arts from Waterloo, Ontario, a Bachelor of Education from the University of Toronto and a Masters in Business from the University of Melbourne. Colleen holds a doctorate in Educational Leadership from Gonzaga University in Spokane, Washington, USA.

Colleen Drisner
Primary School Principal
Lakeside

Angela Henderson
Primary School Principal
Tanjong Katong
Angela is a well-respected educator with over 25 years experience in primary education in Canada, USA, and Asia. She brings a wealth of educational leadership skills to her role as Principal and delivers educational focused workshops in Singapore and overseas. As the co-founder of the South East Asia Primary Administrators Conference (SEAPAC), and a facilitator for the Singapore Principal’s Network, Angela stays abreast of trends and best practices. Since joining CIS, Angela has played an integral role in developing CIS’ vibrant learning environment. Angela has received a variety of awards for her ongoing dedication and commitment to education excellence. Angela holds a Certificate of International School Leadership and a Masters of Education in Divergent Learning from Columbia College in the USA.

Angela Henderson
Primary School Principal
Tanjong Katong

Jamila Mac Arthur
Head of Student Support and Well Being
Lakeside
Jamila Mac Arthur has over 16 years of teaching and leadership experience. Jamila earned an MA in Primary Education from Loyola Marymount University and an MA in Educational Leadership from California State University. Prior to her appointment at CIS, Jamila served as Senior Partner of School Design Services at Transcend Education. She says: “Students’ academic success is inextricably linked to their overall well-being and that we can—and must—attend to the development of the whole child while also achieving excellence in academics.”

Jamila Mac Arthur
Head of Student Support and Well Being
Lakeside