- alexander buck , outstanding sound editor and very close friend
- helene seidl, gifted sound designer and sound editor
- filmsound.org, knowledge website dedicated to sound design
- vierundzwanzig, knowledge website of the german film academy
- bvft - berufsvereinigung filmton, association of german sound designers
- sdg - sound design germany, german internet forum
- ambient recording, sound equipment sales and rental in munich
- kortwich filmtontechnik, sound equipment sales and rental in berlin
- basis berlin, sound postproduction studio with protools-based dolby mixing stage
- your-sounds.com, online sound library
