Mariano Sebastian de Beer

Mariano Sebastian de Beer currently works at Telefonica Negocios, as Executive Vice President from 2008.
Mr. de Beer also formerly worked at RBS Participações SA, as Chief Executive Officer, Vivo SA, as Chairman-Corporate Unit, Telefonica Brasil SA, as General Director-Fixed Telecommunications, Telefónica Latinoamérica SA, as SME Director, VEON Ltd., as Director in 2020, Ribbon Communications, Inc., as Independent Director from 2020 to 2023, Telefónica SA, as Chief Commercial Digital Officer from 2017 to 2019, Microsoft Informática Ltda., as President-Latam New Markets from 2015 to 2016, McKinsey & Co., Inc. do Brasil Consultoria Ltda., as Consultant in 1998, and Est Text Cia Suiza Industrial SA, as Marketing Manager.
Mr. de Beer received his Masters Business Admin degree from Georgetown University and undergraduate degree from Universidad Argentina de la Empresa.