Stephen Arroyo (born October 6, 1946 in Kansas City, Missouri) is an American author and astrologer. Arroyo has written seven books on psychologically oriented astrology which outline his theory that the individual's experience of the Solar System's impacts on their personal energy field, both psychological and physical. His works recast astrological concepts in psychological terms, and reject what he perceives as the fatalism and negativity of old-fashioned astrology. His books have now been translated into 20 languages. Regarding his written works, the Library Journal stated: "The simplicity and clarity of his treatment of complex ideas is remarkable; it makes accessible even to the beginner a wealth of understanding....giving meaningful psychological grounding to astrological interpretation." Arroyo has been guest speaker at events in the North America and Europe, and has taught astrology courses in the United States. He has been awarded the British Astrological Association Astrology Prize, the Fraternity of Canadian Astrologers' International Sun Award, and the United Astrology Congress's Regulus Award. He has an honors degree in literature from the University of California and a Masters Degree in Psychology. Previous occupations include marriage counseling, and the practice of a homeopathy and polarity therapy.