Bill Nye is an American science educator, engineer, comedian, television presenter, inventor, keynote speaker and New York Times bestselling author. As the co-creator and host of the Emmy Award-winning ’90s television series Bill Nye the Science Guy, Nye helped introduce generations of viewers to science and engineering in an entertaining and accessible manner, fostering an understanding and appreciation for the science that makes our world work. Today, Nye is a respected champion of scientific literacy who has challenged opponents of evidence-based education and policy on climate change, evolution and critical thinking. In January 2025, Nye was awarded the Presidential Medal of Freedom, the highest civilian honour, in recognition of his dedication to science education. He currently serves as CEO of The Planetary Society, the world’s largest and most influential nongovernmental space organisation, co-founded by Carl Sagan.