Corporate Governance

Ivan Murias


Ivan has over 20 years of experience in retail and customer service. He has a degree in Business Administration from FEA/USP with specialization in Finance and Retail from George Washington University, Rotman School of Management, and Ashridge Business School.

Cristina Bonafé

Director of Banking and Solutions

Cristina holds a degree in Production Engineering from the Fundação Educacional Inaciana “Padre Sabóia de Medeiros” (FEI), as well as an MBA from the Fundação Getúlio Vargas (FGV). She has over 20 years of experience at Itaú bank, where she has worked in all different segments, including most recently in Cards; as a result, she possesses a holistic understanding of the business.

Renato Tyszler

CFO – Financial and IR Director

Renato graduated in Business Administration from PUC/RJ and an MBA from the Marshall School of Business in California. He began his career at financial companies, with experience in the commercial and strategic areas of new businesses as well. With more than 20 years of professional experience in finance, 10 of them as CFO in multinational and publicly traded companies.

Ilson Bressan

Director of ID and Marketing

Ilson holds a degree in Foreign Trade from the Universidade do Vale do Rio dos Sinos (Unisinos), in the state of Rio Grande do Sul, and an MBA in Marketing from the Escola Superior de Propaganda e Marketing (ESPM). He brings with him over 20 years of experience, including at tech companies, plus other experience from the offline world, in the segments of retail, pharmaceuticals, food, and government.

Daniela Belisario

CHRO – Human Resources Director

Daniela holds a Bachelor’s degree in Business Administration, with a specialization in Business Management at FGV (Fundação Getúlio Vargas), and a certification in Leading Change and Organizational Renewal from Stanford University. Specialized in culture development, Daniela has more than 20 years of experience in both banking industry and technological companies.

Heloisa Sirota

CCO – Compliance, Risk and ESG Director

Heloisa graduated with a degree in Law from USP- Universidade de São Paulo (Brazil), with specialization in criminal law and criminal procedure from Fadisp (Brazil) and with a certification in Advanced Compliance certified by CISI. She has more than 20 years of experience, 10 of which have been focused on compliance.

Marcio Nunes

CTO – Chief Technology Officer

With an educational background in technology focusing on software development and databases, and an MBA in Development and Technological Innovation from the Universidade de São Paulo (USP), Marcio has worked through all executive and management roles in IT and digital security. He came to Valid in 2011 with the mission of creating a business plan for a new market. He has led several significant achievements, including a substantial increase in market share and value creation for Valid Digital Certification. Marcio is frequently called on by major communication outlets to share his experience on the topics of innovation and technology.

Eli Carmeli


Eli has a strong operations and sales background with financial acumen gained through Private Equity and Fortune 50 experience. He is an accomplished leader and change manager with proven success in middle-market company growth. He has over 30 years of experience in both manufacturing and service companies holding various roles ranging from General Manager, Vice President, and President & CEO. Eli holds a degree in Industrial Engineering from Ben-Gurion University in Israel as well as an MBA from the University of Richmond, Virginia.

Salvador Cabrera

COO – Europe, Middle East and Asia

Salvador has two decades of experience in the smart card market. He has generated significant results as a commercial director. He holds a degree in Electronic Engineering from the National Autonomous University of Mexico and an MBA from COPPEAD-UFRJ.