The voice of the leader affects both the ecosystem of his company and the society as a whole. Ms. Nina Kaloutsa, Voice & Public Speaking Coach, addressed the ACEO members regarding the voice as an element of a leader’s personality and credibility. The event, which was hosted on Tuesday, April 5, 2022, at OTEAcademy, was coordinated by Mr. Yannis Papachristou, ACEO Board General Secretary, & CEO Greece, at ΑΝΤΕΝΝΑ Group