Dr. Mariette Wheeler is a Life Sciences educator at Protea Heights Academy who has been chosen as one of the 50 finalists for the prestigious Global Teacher Prize. She is known for her innovative teaching techniques that make complex scientific concepts more understandable to her students. Dr. Wheeler also shares her expertise with the community through her monthly radio broadcasts on marine life. As a top 50 finalist, she represents South Africa and Africa, and her achievements serve as an inspiration to educators worldwide.