Gregg Braden is an American author and speaker known for his work in the fields of science, spirituality, and ancient wisdom. He has written several books that explore the connections between modern science and ancient teachings, focusing on topics such as consciousness, healing, and the power of belief. Braden's background includes experience as a computer geologist and a member of the NASA team that developed the first computer models of the Earth's climate. He is recognized for his ability to bridge the gap between science and spirituality, making complex ideas accessible to a broader audience.