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“There is but one true luxury, and it is that of human relations."


Illusionist, author, graduate in Business Management, Julien has been supporting leaders and managers for the past ten years in transmitting their messages. In 2014, he founded YHELLOW, a company specializing in communication through Magic and Mentalism. He intervenes within the framework of seminars, conventions and soirées, through tailor-made conferences and revitalization of meetings.

Julien offers unique, fully interactive conference-shows that combine magic, mentalism & business! These interventions are adaptable to the specific problems of each client, and always place the Human at the center. They can be played "in one block", as an ice breaker, at the conclusion of a seminar, or in the form of segments judiciously inserted in the conductor of a plenary session.


A real (sur) prise for the participants. An educational treat that combines content and form!



  • THE HUMAN ENTERPRISE: "Relationships at the heart of the transformation"

  • MENTAL HACKING: "The human factor in cyber security"

  • CHANCE AND COÏNCIDENCES: "The role of serendipity in innovation"





"Julien totally conquered the room and contributed to the success of our annual seminar, bringing together people from all over the world. His tours are amazing, he also gives them meaning in relation to the objectives of the seminar, the room participates, is on board and remembers the moment for a long time. Unique! "

- Christophe Guesnet, Managing Director - CHANEL PARFUMS BEAUTÉ


"Julien spoke during Auto-Mobility by Google, an event bringing together 500 players in the automotive and mobility industry. His service, of high quality, allows strategic messages to be conveyed in a captivating way. His proximity to the audience reinforces the impact of words and perfectly animates the narrative of an event. Julien also adapts his speech and sticks to the issues addressed. A strong contribution to the success of an event! "

- Fabrice Kobik, Automotive Consulting Director - GOOGLE FRANCE


"Dexterity, finesse, humour, I do not know what surprised us the most ... Come to think of it, beyond the enchantment, it is the strength of the collective emotion provoked by Julien that brings relevance to his interventions, which fully support your own messages, and gave it more impact in an atmosphere that's playful but studious. Thank you for having contributed greatly to the success of our summer school. "

- Nicolas Sekkaki, President - IBM FRANCE

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