Thomas Bock has been a professional astrologer since 1980. He became interested in astrology in college after learning that psychologists including Sigmund Freud, Carl Jung and Friedrich Nietzsche drew on astrology to understand the human psyche. He began studying astrology in 1980 with Robert Hand, Mary Shea and Robert Pelletier, among others. He started out giving astrology readings at renaissance festivals before moving his practice online in the 1990s, where he has continued offering astrological consulting, reports and charts.