Born and raised in Germany, Heymann was classically trained on the piano before moving to the Netherlands to study composition for media at the University of Arts Utrecht. Having received a Bachelor of music with honors and a Master of Arts degree, he continued his study of film scoring at the renowned University of California Los Angeles (UCLA) in the US. 

In Los Angeles, he has recorded his music with some of the finest musicians in Hollywood.

His credits include scores for award-winning short movies, documentaries, trailers and commercials. He has done orchestrations for AAA games like “The Elder Scrolls: Online”  and worked in the music department of Hollywood movies such as the latest “Smurfs” film.
As a composer and orchestrator, Heymann also works with music producer and trailer music composer J2 on numerous trailer albums. 

Furthermore, he regularly provides music and orchestration to Chinese documentaries and feature movies. He also got the opportunity to write the music for the chinese release of the upcoming commercial of Blancpain, the oldest luxury watch brand in the world.

As a composer, Heymann also regularly writes concert music for solo piano.
In 2019, he collaborated with Grammy-nominated cellist Christine H. Kim on the album “Reminiscences” which is available on all major streaming platforms.