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Guillaume De sercey
Former Colonel of the Foreign Legion
Graduated from the Special Military School of St Cyr, the War School, and ESCP Europe, Colonel de Sercey served for 30 years in the French army. For 13 years, he served in operational units, including 9 years in the famous Foreign Legion, an elite and atypical troop. He held command positions, overseeing up to 1000 legionnaires. He went on operations 4 times, in Africa, the Balkans, and Afghanistan. How is the Fo…
Conferences
Cyril Jamelot
Speaker in communication and storytelling
International speaker with over 200 conferences in 10 countries in French and English, including 2 TEDx. His interventions cover: Communication - Storytelling - Motivation - Inspiring / intergenerational Management and Leadership - Digital Marketing and Social Selling - Innovation Cyril Jamelot is a former international marketing director, with a background in several multinationals such as Coca-Cola, Yoplait, an…
Katherine melchior Ray
Katherine Melchior Ray is a global marketing expert with 25+ years in senior leadership roles at the world’s most prestigious luxury, fashion, beauty, and hospitality brands, including Shiseido, Loui…
Katherine Melchior Ray is one of the world’s leading voices in global marketing. She’s the former Chief Marketing Officer of Shiseido in Tokyo and Babbel in Berlin, and her career includes senior leadership roles at some of the most iconic brands in the world including Louis Vuitton, Nike, Gucci, and Hyatt. Today Katherine is the President of Globe Ally Consulting and teaches global marketing at UC Berkeley’s Haas…
Charlotte Courtois
Speaker on intercultural management, founder of an NGO, Young UNESCO leader for peace
Charlotte Courtois is a Young Leader for Peace at UNESCO. Her background combines management and international social engagement. Her signature conference, "Intercultural Skills: The Keys to Effective and High-Performing Collaboration", addresses interculturality as a tool for performance in businesses within a multicultural context. It is aimed at both teams and top management to provide concrete keys and inspire.…
Nelly Kambiwa
Speaker & Consultant 🇫🇷 🇬🇧 | Intercultural & Performance | Less friction. Faster decisions. Enhanced execution.
As a speaker on organizational performance and a consultant in intercultural management, I started my career at the United Nations headquarters in New York. I then spent nearly twenty years within international technology companies where I led strategic projects and collaborated with teams from over 30 nationalities across three continents in high-stakes economic, human, and regulatory contexts. This hands-on exper…



