Gustav is a certified classical and esoteric astrologer.  He was born in Odense, Denmark on October 18, 1951. Time of birth: 1:34 AM.

In 1972, Gustav began studying astrology on his own, and was later instructed by two established astrologers. He started offering individual consultations and lectures alongside his teaching profession.

Later, he became certified in Denmark as an esoteric astrologer, where he began lecturing at schools and organizations throughout the country. 

Among his achievements is the establishment of the Scandinavian School for Esoteric Astrology in Torreblanca, Spain in 1997, the Spirit of Astrology School for workshops and study groups in Phoenix, Arizona in 2001, and several magazine articles.

Gustav published his first book, "An Esoteric Handbook On Astrology" in 2001, a guide on the essence of human development, consciousness, and astrology, which includes deeper insights on planets, houses, aspects, the three crosses and more.