Triantafyllos Mantanis is CEO of UM Greece, a member of Omnicom Media Group. He has more than 30 years of experience in advertising and media, specializing in integrated communication and data-driven marketing strategies. He has provided strategic guidance to major Greek and international companies, developing long-term partnerships. He is a member of the Board of Directors of EDEE and regularly participates in public dialogue on the evolution of media and modern communication platforms.