At CEO (Boardroom Media) we track over 1,000,000 startups and over 5,000,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top Brazil based CEO’ operating in the Social Entrepreneurship space. If you think a CEO’ is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Fabio F. Meyer Kestenbaum
Co-Founder and Co-CEO of Positive Ventures
Fábio F. Meyer Kestenbaum is the Co-Founder and Co-CEO at Positive Ventures. He is also the Venture Partner at Letrus, Labi Exames, Eureciclo, and OccamzRazor. Previously, as part of Barbosa, Müssnich & Aragão Advogados, I acted as legal counsel for national and international businesses in mergers and acquisitions, transactions for sale of control, public offerings, transfers of minority holdings, and complex negotiations under the jurisdiction of the Central Bank of Brazil, the Brazilian Securities Commission and other regulatory agencies.
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About Favo, Positive Ventures: Positive Ventures is an entrepreneurs-run and B-Certified VC backing tech founders tackling pressing societal challenges, global south first
Andrea A. Oliveira Kestenbaum
Co-founder and Co-CEO of Positive Ventures
Andrea Andrade de Oliveira is the Co-Founder and Co-CEO at Positive Ventures. She is also the Venture Partner at Letrus, Labi Exames, New Hope Ecotech, and OccamzRazor.
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About Positive Ventures: Positive Ventures is an entrepreneurs-run and B-Certified VC backing tech founders tackling pressing societal challenges, global south first

Eduardo Lima
CEO & Co-Founder of EduK
Before being co-founder and CEO of eduK and was also the co-founder and CEO at Buzzero.com, Eduardo Souza managed development teams in critical systems for industry and successfully led one innovative products ecommerce franchise. Eduardo holds a B.S. in Engineering from PUC-MG with specialization in software engineering.
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About EduK: EduK offers an online teaching platform focused on professional courses.
Gustavo Glasser
CEO of CarambolaTech
Gustavo Glasser is a serial entrepreneur, with a relevant role in the information technology industry in Brazil, both in the startups and corporate segments. He has experienced Microsoft’s entrepreneurial journey, having been trained in technology in one of Microsoft´s training centers, participated in international competitions and created companies with successful exit. Infoprice, a company co-founded by him, uses concepts of IoT, Big Data and Artificial Intelligence, having been accelerated by the country’s 2 largest accelerators, received investment from a technology fund and later sold to BIT (a B2W company, the largest e-commerce company in Brazil). As an important representative and ambassador of minorities in technology, he is always lecturing and present in the media talking about training, inclusion and diversity in technology both in national and international events.
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About CarambolaTech: Inclusion Tech: Equity and Diversity: diverse team building, training and management
Bia Santos
Founder and CEO of Barkus Educacional
Bia Santos is one of the founders and the CEO of Barkus Educacional.
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About Barkus Educacional: Barkus is a social impact business that aims to bring financial education and entrepreneurship to young people and adults.