Dr Cas Olivier is a specialist on the thinking brain. In his work, he demonstrates how twenty-eight inborn thinking tools are integrated and holistically employed in thinking processes. This approach provides thinking roadmaps to gear learners towards developmental mindsets, and this thinking tools programme is registered with the South African Council for Educators. He provides online contact sessions to teachers, parents and learners, as well as businesses and entrepreneurs. He is also the author of The DNA of Great Teachers and a co-author of Critical Thinking: A Multi-Dimensional Approach in the Context of South Africa.