Chet Khatu

Head of Commerce, Economics Teacher.

PGCEi (Merit) of University of Nottingham

BA Politics, Philosophy and Economics of University of York

Cambridge CELTA (Merit).

Chet has experience teaching IBDP and A-Level Economics (and English) for six years including placements in Singapore, Indonesia and Kazakhstan. He also became a PADI Divemaster on the Eastern Cape of South Africa.


Mark Preen

Economics Teacher.

MSc Development Studies (Distinction) of London South Bank University

PGCE Social Sciences with Citizenship (Merit) of Manchester Metropolitan University

BA Politics with Economics (2: 1 Hons) of Loughborough University

Mr. Mark Preen has taught Economics for more than 6 years, with teaching experience in UK and China. He has worked as an Economics teacher at SCIE since 2013.


Cheong Eyuen Mian

Economics Teacher

PGCE in Education(International) of University of Nottingham

BSc Management of University of London (External)

Diploma in Economics of University of London(External).

Mr. Cheong has taught IB/IGCSE/A-Level Economics for more than 12 years in China.



Delma Duddy

Economics Teacher

Masters Education University South Wales Pontypridd, UK

PGCE University College Cork, Ireland Business Studies, BBS (hons) Waterford Institute Technology, Ireland

Ms. Delma has more than 10 years Economics teaching experience in Ireland, Malaysia and China. Before qualifying as a teacher she worked in the private sector for many years, in a range of roles.

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Cherry Xu

Economics Teacher

PGCEi (Distinction), University of Nottingham

MSc Finance, University of St Andrews

BA Economics and International Trade, University of International Relations

Joined SCIE in 2012

Nathan Silitonga


Nathan Silitonga

Economics Teacher

Bachelor of Arts in Economics and History, University of Sydney

Master of Teaching, University of Sydney

Master of Business Administration in Finance and Economics, University of Technology, Sydney

Master of Business in International Business and Marketing, University of Technology, Sydney

Nathan has been teaching Economics in London, Beijing and Tokyo over the last 20 years.

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Andrew Stephens

Economic Teacher

BA with Honors in Business and Economics, Seattle University

Massachusetts teaching credential in Business, Economics, and Finance

Andy has been teaching since 2016 where he has taught in China, Japan, and the USA. Prior to teaching, he worked for several years in finance and governmental operations.

Henk van Reenen


Henk van Reenen

Economics Teacher

PGCE, Cornerstone Institute

Bachelor of Commerce in Chartered Accountancy, North West University

Mr. Van Reenen is an accountant turned teacher with experience working in South Africa, South Korea and China.

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Tim Young

Economics Teacher

PGCE in Secondary Mathematics, University of Exeter

BSc Economics, London School of Economics and Political Science

Cambridge CELTA

Tim has taught A Level Economics for 6 years and Mathematics for 1 year. He has taught in China and UK.



Allen Liu

Economics Teacher

MA Educational Economics and Management of Wuhan University

BSc English Education of Jianghan University.

Prior to teaching at SCIE, Allen taught English at Changjiang Vocational College, and English and Human Resources Management at Longgang TV & Radio University, Shenzhen. She has been teaching Business Studies at SCIE for three years.


Issac Fu

Accounting and Economics teacher

Distinction, MSc Financial Economics (CFA track), University of Leicester, UK

Honors degree, BA Finance and Economics, University of Bournemouth, UK

PGCE in Education (International), University of Nottingham, UK

2 years of experience in teaching AP Economics, 4 years of experience in teaching A Level Accounting

Worked as an equity analyst in financial institution before joining SCIE



Chloe Tan

Business Study Teacher, Assistant to Head of Commerce

BSc Management of Hunan University.

Chloe has worked at SCIE for three years, teaching Business Studies at the IGCSE level. Before working at SCIE, she worked in the marketing department of HUAWEI, learning practical marketing and management skills which she is now able to share with her Business Studies students.


Daisy Ding

Teacher of Economics and Business Studies

Postgraduate Certificate in Education (International) with Merit, Nottingham University

Master of Business of Administration, Asian Institute of Technology

Bachelor of Engineering, Nanjing Science and Technology University

More than 10 years teaching experiences in IGCSE Business Studies and Economics

Have been teaching in SICE since 2012,

Before becoming a teacher, I had 10 years working experiences as a profit centre manager in 3 multi-national companies, i.e. Tipco, EF & AIG in Bangkok and Shenzhen.

Hobbies: practising yoga, swimming, hiking, reading and traveling.