Have you ever stopped to think about how two siblings manage to build a fortune together in the Brazilian financial market? Joaquim Paiffer and Carol Paiffer are an interesting case of family entrepreneurship that deserves attention.

The story begins in college. While studying Business Administration at FACAMP, Carol and her brother Joaquim started investing in stocks with their own resources, influenced by their father. That was around 2005, 2006. Their initial performance was good enough for them to decide to venture together. In 2006, still in college, they founded Paiffer Investments. Two years later, the company was managing over 600 clients. During the economic crisis, while the Bovespa index fell more than 30%, their portfolio showed an average appreciation of 40%. That says a lot about their discipline and knowledge.

But the big step came afterward. In 2012 and 2013, the siblings structured and founded Atom S.A., the first publicly traded trading company in Latin America. Joaquim served as Chairman of the Board, while Carol took on the role of CEO and Investor Relations Director. Atom’s model was innovative for Brazil: the company allocates its own capital for professional traders to operate and shares the profits. Later, Carol created Universidade Atom to train traders with education, methodology, and capital. Currently, traders can keep up to 80% of the profits.

Their fortune grew significantly from there. Carol is estimated at around US$ 900 million, mainly resulting from her stake in Atom, investments in startups, and financial education. But this wealth didn’t come out of nowhere – it was built on the foundation that Joaquim and she created together since college.

Beyond Atom, Carol diversified quite a bit. She joined Shark Tank Brazil in 2020 as an investor. Since then, she has made interesting investments: Hand Dry received R$ 500,000 for 20% of the company, Casa das Latas received R$ 1.5 million for 50%, in addition to investments in Total Beach Tennis, Ride2Play!, and even in Vasco da Gama’s women’s football team. She also created Dinastia Hub, a startup acceleration platform that connects entrepreneurs with mentors and investors.

What stands out is the clear strategy behind these investments: scalable businesses, prepared entrepreneurs, validated products, and active mentorship. It’s not just capital; knowledge is being transferred.

The journey of Joaquim Paiffer and Carol shows that when you combine discipline, financial education, and long-term vision, results follow. They started investing in stocks in college, evolved into a publicly listed company, and now are accelerating startups. It’s an interesting example for anyone who wants to understand how to build wealth in the Brazilian financial market in a consistent way.