Top 5 Medical Angel Investors in Brazil (May 2026)

Kees Koolen is the Founder, Chairman and CEO of Koolen Industries. Previously Kees was COO, CEO and Chairman of booking.com. Kees was advisor to Uber from 2012-2017 concerning international rollout.

Investment focus

Industry: E-Commerce, Travel, Infrastructure
Stage:Seed, Series B
Geography: The Netherlands, Brazil, Germany

Investor stats

Total investments: 24
Round size: Seed $532k–$1.5M
Lead/follow: 52% lead, 48% follow

Portfolio highlights

Holidu — Holidu is a search engine for vacation rentals. Search and compare more than 15 million vacation homes and save up to 55% on identical accommodations.
Wundermart — Wundermart lobby shops are the perfect unmanned addition to the F&B service in hotels. Powered by smart technology and driven by data, our small 24/7 grab, pay and go convenience shops our built to fit any hotel.
Jutter Speijs — Wundermart lobby shops are the perfect unmanned addition to the F&B service in hotels. Powered by smart technology and driven by data, our small 24/7 grab, pay and go convenience shops our built to fit any hotel.

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Marcelo Claure is the Chairman of SHEIN Latin America of Shein. He previously worked at SoftBank Group International as a CEO. Marcelo Claure attended Bentley University.

Investment focus

Industry: FinTech, Blockchain, Cyber Security
Stage:Series B, Seed, Series C
Geography: United States, Brazil, France

Investor stats

Total investments: 23
Round size: Series B $30M–$200M
Lead/follow: 61% lead, 39% follow

Portfolio highlights

ID.me — ID.me is a digital identity network that aims to simplify the user's indication verification experience. The company's platform streamlines authentication, identity proofing, and federation of external identity and attributes providers through a single API, enabling military, students, first responders, teachers, and government employeesto easily prove their identity online via a single login and avail discounts on various networks.
Zamp — At Zamp, we are helping businesses innovate and leverage the best of fiat and digital asset rails, in a regulatory and compliant way across borders.
Valon Technologies — Valon Mortgage is a Fannie Mae and Freddie Mac approved, tech-enabled residential mortgage servicer. The company’s mission is to champion homeowners on their financial journey as the partner they trust with their home and their future.

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Romero Rodrigues is Managing Partner of Headline. He was an Investor at Olist. He attended the University of Sao Paulo.

Investment focus

Industry: Software, Internet, E-Commerce
Stage:Seed, Series A, Series B
Geography: Brazil, United States

Investor stats

Total investments: 43
Round size: Seed $835k–$2.3M; Series A $1M–$11M
Lead/follow: 39% lead, 61% follow

Portfolio highlights

MarketUP — MarketUP Brasil is an innovative startup that believes in the impact of micro, small and medium-sized enterprises (SMEs) and the entrepreneurial attitude towards the development of the economic scenario, since it is these companies that drive a good part of the country's economy. We believe in these entrepreneurs and offer a complete and freesolution for companies that want to grow and differentiate themselves in the market. We came up with the idea of facilitating the day-to-day business of the SME with a sales and management system capable of managing all the business processes in a simple and uncomplicated way. Our team is composed of experienced people, with relevant history in WEB business development and active participation in the evolution of the Brazilian internet. What was once only available to large companies, now it is within the reach of SMEs without having to pay anything for it. A revolutionary way to run a business. Our system has no use limit and no cost per license, installation, maintenance or paid versions! With tools that encompass purchasing and inventory management, sales, issuance of fiscal documents and financial management. Create your account right now in the MarketUP Management System: https://marketup.com/ Follow MarketUP also: Blog: http://marketup.com/blog Facebook: https://www.facebook.com/MarketUP.Brasil ? fref = ts Instagram: https://www.instagram.com/marketupoficial/?hl=en sales, issue of tax documents and financial management. Create your account right now in the MarketUP Management System: https://marketup.com/ Follow MarketUP also: Blog: http://marketup.com/blog Facebook: https://www.facebook.com/MarketUP.Brasil ? fref = ts Instagram: https://www.instagram.com/marketupoficial/?hl=en sales, issue of tax documents and financial management.
Moneto — Moneto is a financial services application that automates and controls the receipt and management of sales in small businesses and insurance companies. Moneto was launched by Marcos Arruda, Carlos Arruda, and Paulo Silva Filho in 2013 and is based in Sao Paulo, Brazil.
Galena — Plataforma de desenvolvimento profissional que empodera colaboradores, maximiza o potencial das equipes e ajuda a reter os melhores talentos.

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Mr. Ricardo Villela Marino serves as the Chief Executive Officer of Latin America at Itaú Private Bank International. Mr. Marino serves as an Executive Vice President at Itau Unibanco S.A. He served as Senior Managing Director at Banco Itau Holding Financeira S.A. from April 2005 to August 2006. Mr. Marino served as Head of Itaú Unibanco'sOperations in Latin America at Itaú Unibanco Holding S.A. since April 2011. He served as the Managing Director of Banco Itau Holding Financeira S.A. from April 2004 to April 2005. He served as Head of the Derivatives Dealing Desk (Headed the team responsible for the structuring and sale of derivative solutions to middle market companies, institutional investors and private individuals) of Banco Itau Holding Financeira S.A. from 2003 to 2004. He served as Head of Business Intelligence of Banco Itau Holding Financeira S.A., from 2002 to 2003 and was responsible for the mission to introduce radical and advanced technologies and methodologies. Mr. Marino served as a Consultant for World Bank, General Coordinator of Studies and Assessment at the Department of Continuing Education, Literacy and Diversity of the Ministry of Education, Project Manager for the Department Of Assessment of Social Programs of the Ministry of Welfare, Brazil, Supervisor of the controllership of Banco Itaú S.A., and Analyst of sectors and companies at Unibanco Asset Management. He served as a Manager of the emerging markets’ equities portfolio covering Argentina, Chile, Peru, Colombia and South Africa as well as relations with governments, banks and directors of companies in each of these countries at Goldman Sachs Asset Management – London. He has been a Director of Banco Itau S.A since September 2006. He has been an Executive Director at Unibanco-Uniao de Bancos Brasileiros S.A. since November 2008. He serves as a Deputy Non-Executive Director of Elekeiroz SA. He serves as an Executive Director of Itau Unibanco S.A. He has been a Director of Itaú Unibanco Holding S.A. since April 23, 2008. He has been a Director of Itaúsa - Investimentos Itaú S.A since April 2011. He served as a Director of Itausa - Investimentos Itau S.A. since April 2011. He served as a Director of Banco BPI, S.A since April 27, 2011. He has been Chairman of the Federación Latino Americana de Bancos FELABAN since November 2008. Mr. Marino earned Master in Studies of Development, Economics and Philosophy from LSE - London School of Economics - and Political Sciences. Mr. Marino graduated from the Polytechnic School from the University of São Paulo. Mr. Marino has a Degree in Business Administration from Fundação Getúlio Vargas (FGV) at MIT Sloan School of Management, Cambridge in 2000, a Master’s Degree in Business Administration with specialization in Financial Administration and Business Administration from the University of Company Management MIT Sloan, Cambridge (USA). Mr. Marino also holds a Bachelor's Degree in Mechanical Engineering from Escola Politécnica (USP).

Investment focus

Industry: Health Care, Fitness, Medical
Stage:Series A
Geography: Brazil, Belgium, United States

Investor stats

Total investments: 3
Lead/follow: no public data

Portfolio highlights

Credix — CREDIX is a decentralized credit marketplace connecting investors with FinTechs in emerging markets. Learn more about the future of debt financing now.
Neomed — Neomed is a marketplace that simplify the relationship among hospital, laboratories and physicians about medical records.
Ellipsis Health — Harnessing the human voice as a biomarker for mental health and wellbeing, along with machine learning and AI, Ellipsis Health generates a clinical-grade assessment of the severity of anxiety and depression, as well as a sub-clinical assessment of the severity of stress - creating the first vital sign for mental health.

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