Top 10 Medical Angel Investors in Brazil in January 2026

Last updated: Jan 2026 A list of 10 angel investors that invest in Medical startups based in Brazil. We rank investors based on the number of investments they made in Medical companies from Brazil. We update this investor list every month.

Top 10 Medical Angel Investors in Brazil in January 2026

Investor	Medical Brazil investments
Kees Koolen	3
Kevin Efrusy	2
Ricardo Marino	1
Mario Letelier	1
Paulo Veras	1
Marcelo Claure	1
Romero Rodrigues	1
Romero Rodrigues	1
Paulo Veras	1
Alexandre Soncini	1

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Investor list

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

E-Commerce, Travel, Hospitality
Seed, Series A, Series B
The Netherlands, Brazil, Germany

Portfolio highlights

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.
Skoon Energy — Connect with verified energy suppliers, request proposals, compare technologies and control flexible power solutions from one dashboard, saving time and reducing costs.
Unravel — Embed video first travel inspiration and AI curated journeys directly in your app. A plug-and-play upgrade that boosts engagement, conversion and loyalty. The fastest way to add travel superpowers to your app.

Kevin Efrusy is the Co-Founder of The Efrusy Family Foundation and a Partner at Accel. Prior to that, he was the CEO and board member, and co-founder of IronPlanet. He attended Stanford University Graduate School of Business and Stanford University.

Investment focus

E-Commerce, Software, Financial Services
Series B, Series A, Series C
Brazil, United States, Mexico

Portfolio highlights

Azos — Azos is an insurtech firm that offers personalized insurance services. The company was founded by Rafael Cló, Bernardo Ribeiro, and Renato Farias and is headquartered in Sao Paulo, Brazil.
Sami — Sami is a Brazil-based health plan startup that provides a technology-based solution intended to be used in the healthcare sector. The company focuses on making health care simpler, more efficient, and friendlier by using simplified solutions, thus, providing patients with reduced costs for their medical care needs. Their mission is to transformBrazilian health into something simple, easy, reliable, and accessible, which helps each person to be their best version.Founded by Vitor Asseituno and Luiz Guilherme Berardo in 2018 and is based in São Paulo, Brazil.
PhageLab — Record time development of tailor-made solutions to control bacterial outbreaks in the livestock and poultry industries.

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

Health Care, Fitness, Medical
Series A
Brazil, Belgium, United States

Portfolio highlights

Sami — Sami is a Brazil-based health plan startup that provides a technology-based solution intended to be used in the healthcare sector. The company focuses on making health care simpler, more efficient, and friendlier by using simplified solutions, thus, providing patients with reduced costs for their medical care needs. Their mission is to transformBrazilian health into something simple, easy, reliable, and accessible, which helps each person to be their best version.Founded by Vitor Asseituno and Luiz Guilherme Berardo in 2018 and is based in São Paulo, Brazil.
Credix — CREDIX is a decentralized credit marketplace connecting investors with FinTechs in emerging markets. Learn more about the future of debt financing now.
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.

Mario Letelier is the General Partner at DOMO Invest.

Investment focus

Information Technology, Software, Artificial Intelligence
Pre-Seed, Seed, Series A
Brazil

Portfolio highlights

Linte — Linte helps companies to lower expenses with lawsuits using document assembly and marketplace tools. Linte offers a cloud-based solution that automates repetitive tasks, quickly, cheaply and safely, with the best practices of usability and design. Users can handle contracts, processes, and documents in an efficient and smart way.Linte was foundedon 2015 and is based in Sao Paulo, Brazil.
Prontmed — Prontmed organizes and integrates health information with an intuitive Electronic Medical Record. It develops the technologies that facilitates the day-to-day medical and hospital procedures. The main function of electronic medical records is to facilitate and support the care of patients. Therefore, the company focuses on optimizing the time ofdoctors, ensures high availability of the system, and assists in maintaining the quality of care. The features of the product are automatic configuration, security and reliability, simplified navigation, excellence support, and smart prescription.Prontmed is a Brazil-based company that was founded in 1996 by Wang Feng.
Qual Canal — Qual Canal provides social TV analytics for advertisers and TV stations willing to know more about their audiences. The company was founded in 2011 and is headquartered in Rio Grande do Norte, Brazil.

Paulo Veras

Investment focus

Financial Services, B2B, B2C
Seed, Pre-Seed, Series A
Brazil

Portfolio highlights

Sami — Sami is a Brazil-based health plan startup that provides a technology-based solution intended to be used in the healthcare sector. The company focuses on making health care simpler, more efficient, and friendlier by using simplified solutions, thus, providing patients with reduced costs for their medical care needs. Their mission is to transformBrazilian health into something simple, easy, reliable, and accessible, which helps each person to be their best version.Founded by Vitor Asseituno and Luiz Guilherme Berardo in 2018 and is based in São Paulo, Brazil.
Klubi — Klubi is a fintech company that provides credit facilities in a simple, transparent, secure and truly digital experience.
Latitud — Build good sh*t with Latitud

Marcelo Claure is the Partner and Co-Chair at Brightstar Capital Partners. Previously he served as the CEO of Sprint. He serves as the Group Vice Chairman of Shein. Marcelo Claure attended Bentley University.

Investment focus

Information Technology, FinTech, Software
Seed, Series B, Funding Round
United States, Brazil, France

Portfolio highlights

Haddy — Welcome to the future of American manufacturing. Haddy combines AI-driven robotics with advanced 3D printing to deliver design freedom, rapid production, and sustainable materials. From concept to finished product in days, not months.
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.
Aprende Institute — Aprende Institute is the online education platform for vocational skills training in the US hispanic market and LATAM.

Romero Rodrigues is the Managing Partner of Headline in Brazil, which invests in Early-Stage companies across Latin America as part of the global Headline platform. As a partner of XP.inc responsible for Venture Capital, he manages the recently raised Headline Brazil fund 3, with $200M in AUM, and co-manages Redpoint e.ventures funds 1 and 2, with$305M in AUM. Together, the funds have invested in more than 70 companies since 2012.For the last 24 years, Romero has been a startup entrepreneur and investor. He has been involved in over 100 companies, 10 now unicorns.In 1998, Romero co-founded Buscapé, a pioneering force in the Brazilian startup scene. His leadership as CEO for 16 years, until 2014, was instrumental in shaping Buscapé's success. The pinnacle of his tenure was the acquisition of Buscapé by Naspers/Prosus for $374 million in 2009, a landmark event in the Latam startup world.Romero has served on the boards of companies such as Pismo, Wayfair, TOTVs, and Neogrid.