Mario worked 28 years at Accenture, of which 14 as CEO in Brazil. He joined Accenture in 1976 (former Arthur Andersen), and became a partner in 1986. He led the Consumer Products Group until 1990, served on the company’s global Board and led projects for clients such as Grupo Pão de Açúcar, Sadia and Vale, among others.

He was the CEO of Rio Bravo Investimentos from 2009 to 2018, after four years as Variable Income Director. In that position, Mário helped create and manage Rio Bravo Fundamental FIA, Rio Bravo’s value and activism fund.

Mario was a member of several advisory and business administration boards, including Eternit, Unipar, Ferbasa, Cremer, Bematech, and GR. He is currently an advisor to Focus Energia, Global BDP and the Maverick Investment Fund in Israel.

Mario has also served as an advisor to organizations in the academic sector. In Brazil, he was president of Escola Max Nordau in Rio de Janeiro, chairman of the Board of Directors of EAESP / FGV and is currently an advisor to Colégio Aleph in São Paulo. In Israel, Mario is a member of the Executive Board of the Weizmann Institute of Science.

In addition, Mario collaborates with several non-governmental organizations. He has served on the boards of the Brazilian Symphony Orchestra and the Committee for the Democratization of Informatics (CDI). He chaired AME Campos (an NGO in Campos do Jordão) and was president of the Israeli Federation of the State of São Paulo. He is currently Chairman of the Latin American Institute of AJC – American Jewish Committee, is vice president of the Israel Brazil Chamber of Commerce and Industry, advisor to the Albert Einstein Israelite Hospital, and President of CIP – Congregação Israelita Paulista.