For the last two decades, Julien Berry worked with many post-production studios and high-end movie theaters, educating the industry about the video fundamentals and best practices, most notably the necessity of picture calibration. He has provided numerous training to industry professionals such as movie projectionists, colorists, and AV dealers and installers.

Julien also brought his expertise in design and calibration to post-production facilities, commercial movie theaters, screening rooms and TV stations such as TSF and Canal +, as well as consultation services for manufacturers like Volfoni. In order to contribute to the public awareness of accurate imaging, Julien has participated to the production of test pattern and tutorial discs.