Challenges and Mascaret collaborate for a special report on “Influencers”

🎉 We are honored to have been able to collaborate with the Challenges teams in the development of this file! 🎉

From Jean Massiet to Thomas Pesquet, find your favorite influencers exclusively or discover new ones in this top 50 established by our firm. Economy, science, politics, high-tech and entertainment: they are all there.