Telefônica Brasil lists 7 executives, led by Christian Mauad Gebara, CEO, Member of Board of Executive Officers & Director (age 53).
The average age of the executives with a known age is 49; the youngest is 46 and the oldest 53.
Titles, ages and pay from company filings.

CEO, Member of Board of Executive Officers & Director
Chief Financial & Investor Relations Officer
Secretary General, Legal VP & Member of Board of Executive Officers
Chief Strategy & Regulatory Affairs Officer and Member of Board of Executive Officers
COO & Member of Board of Executive Officers
Chief Audit Officer
Investor Relations Director
Christian Mauad Gebara (CEO, Member of Board of Executive Officers & Director), age 53.
Christian Mauad Gebara (CEO, Member of Board of Executive Officers & Director), Rodrigo Rossi Monari (Chief Financial & Investor Relations Officer), Breno Rodrigo Pacheco de Oliveira (Secretary General, Legal VP & Member of Board of Executive Officers), Ricardo Guillermo Hobbs (Chief Strategy & Regulatory Affairs Officer and Member of Board of Executive Officers) and Alex Martins Salgado (COO & Member of Board of Executive Officers), and 2 more.