Ana Cabral-Gardner

Co-CEO and Co-chairperson of the Board
Sigma Lithium


Ana Cabral-Gardner is co-chairperson and co-CEO of Sigma Lithium, a Canadian company dedicated to powering the next generation of electric vehicle batteries with environmentally sustainable and high-purity lithium.

Since 2018, Sigma Lithium has been producing battery-grade sustainable lithium concentrate at its on-site demonstration pilot plant in Brazil’s Minas Gerais region, while executing a sustainability roadmap to support decarbonization and reach net zero emissions by 2024. Sigma Lithium is traded on the Nasdaq and Toronto Stock Exchanges as SGML.

Ana is also a managing partner and co-founder of A10 Investimentos, a Brazilian private equity boutique focused on sustainable investments and M&A advisory in consumer healthcare. The A10 FIA Proprietary Fund is the controlling shareholder of Sigma Lithium, one of the largest hard rock lithium companies in the world.

Ana has over 25 years of experience as a senior banker at global investment banks in New York, London, and Sao Paulo and has over 15 years of experience as a venture capital investor.
Prior to founding A10, Ana was head of Latin American Capital Markets at Goldman Sachs in New York. She has also held senior positions in investment banking at Merrill Lynch in London and New York.

As a venture capitalist, Ana was a co-founder of an internet portal sold to GP Investimentos in early 2000. Afterward, she advised several boards of media and technology companies on digital strategies, including: Lojas Americanas.com (later merged with B2W), Turner Broadcasting Latin America and Nova.com (later ViaVarejo.com)

She holds an MBA degree from Columbia Business School and a master’s in finance degree from London Business School. She currently serves on the Global Board of Advisors of Columbia University Global Centers.

Ana is one of the 10 original co-founders of Mulheres do Brasil with Luiza Trajano, a çeading brazilian businessperson and one of the world´s 100 most influential peoople. Mulheres do Brasil is the country´s largest advocacy organization with over 96,000 active members, focused on women-oriented policy-making, with branches in 10 countries.