On 19th of March 1982, Hans got married to Vicki Carolin. As a loving husband and wife, they also welcomed a child together. They were together as a loving spouse for about a decade and they got divorced on 7th of April 1992.
After that Hans began his romantic affairs with Suzanne Zimmer. They also became parents three times from this married life. They are still bonded into this married life.
Hans was raised in Königstein-Falkenstein. As his mother was also a musician, he became interested in music from his young age. He began learning piano in his home. He was enrolled at Hurtwood House School in London. He has been pursuing his musical career professionally since the late 1970s. In 1977, he joined the musical band Krakatoa where he played keyboards and synthesizers. He also joined an English new wave band in 1977. In 1979, he appeared in the music video Video Killed the Radio Star. From the early 1980s, he began working with Stanley Myers. Together they formed London–based Lillie Yard recording studio and they composed the music of several movies like Moonlighting, Success is the Best Revenge, Insignificance and so on. In 1990, he composed the music of the short movie Arcadia. In 1990, he also composed the music of the movies like Chicago Joe and the Showgirl, Bird on a Wire Fools of Fortune and so on. His net worth is $90 million.