Our Team

A5X is built by renowned specialists who know the market in depth and have chosen to contribute, in a structural way, to its evolution. Our team is made up of professionals with relevant experience in market infrastructure, brokerages, banks, technology, risk, regulation, operations and post-trade. These are careers that combine technical depth, strategic vision and excellence in execution to support a new reference for the sector. More than individual trajectories, what unites us is the ambition to raise the standard of the Brazilian market, contributing to infrastructure that is more efficient, robust, transparent and innovative. It is this vision that guides our decisions and sustains the construction of A5X as a company committed not only to performance, but to the future of the Brazilian market.

Carlos Ferreira

Founder e CEO

Mais de 25 anos de experiência no mercado financeiro brasileiro; ex-Sócio Controlador, CPO e Membro do Conselho da XP Inc.

Karel Luketic

Founder e CFO

Over 15 years of experience in the Brazilian financial market; former Senior Partner and CMO at XP Inc.

Julian Chediak

Founder e Membro do Conselho

Mais de 35 anos de atuação em Direito do Mercado Financeiro; ex-Presidente do Conselho de Autorregulação da CETIP (por mais de 9 anos) e Professor da PUC-RJ (há mais de 30 anos).

Nilson Monteiro

Founder e Presidente do Conselho

Mais de 25 anos de experiência no mercado financeiro brasileiro; um dos pioneiros em negociação eletrônica no Brasil; fundador e CEO da Ideal.

Our partners

Our partners bring a range of expertise that combine to build a solid, innovative foundation, ready for the challenges of the sector.

Daniel Ciotti

Partner & CPO

Mais de 25 anos de experiência no mercado financeiro, com carreira em buy-side e sell-side, HFT e market making; ocupou posições de destaque em instituições como Morgan Stanley, Santander e XP.

Paulo D´Angelo

Partner & CTO/COO

Mais de 20 anos de experiência em tecnologia para o mercado financeiro; ex-Managing Director da B3 para soluções de Trading, Middle e Back-Office.

Ulysses Maia

Partner & CRO

Mais de 20 anos de experiência no mercado financeiro brasileiro; 22 anos no Credit Suisse, atuando em risco, tesouraria e gestão de recursos.

Diversity is part of who we are

At A5X, we believe that true innovation is born from the encounter between different perspectives

We are building a new exchange, and we know that this journey is only possible with an inclusive, safe environment, open to all voices. The diversity of backgrounds, trajectories, cultures, and identities strengthens us and makes us more creative, fair, and human.

This plurality also translates into deep knowledge and solid experience in different sectors, which complement each other and provide the necessary foundation to build a robust, innovative, and efficient business.

We want a team where each person shines as who they are — and, by combining talents and stories, build the future of the market with us.

Market experience, future vision and rigorous execution.

Founders