top of page

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.

Contact Sonja on

bottom of page