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Our Team

Sonja Vandeleur
Chief Executive Officer

Sonja is the CEO of TSSA. She is a highly experienced teacher, and her latest position was that of Head of Department for Cognitive Education at Roedean School (SA). She has a masters degree in Creative and Critical Thinking and a PhD in education. Sonja believes in the whole-school approach to embedding thinking skills into the curriculum, and she is passionate about empowering educators and students to become better thinkers.

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Pamela Hauptfleisch
Financial Manager

Pamela joined TSSA after nine years as the Financial Accountant at Putprop (Ltd). She has worked in the UK, Dubai and South Africa. Pamela has three sons, two of whom live in the UK. 

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