Estes, Fred: - Fred Estes taught science for nearly two decades in a school near his home in San Francisco. He's written several articles about science teaching, including "Compost: The Rot Thing for Our Earth" and he is a peer reviewer for a National Science Teaching Association journal. Before that, he taught high school English, worked as a financial analyst, joined an AI startup, developed corporate training programs, and earned a doctorate in educational psychology and technology. Currently, he teaches graduate students and teachers about design thinking, innovation, creative teaching methods, and hands-on-STEM curriculum.