The All-Weather Investor | Building a $5M portfolio—$1M already achieved | Sharing everything I learn along the way

Strategic stock investing for Wealth Managers and Family Offices.

Wealth preservation is essential. 

But true financial stewardship requires strategic growth—built on conviction, discipline, and risk management.

Many wealth managers and family offices struggle to find stock investment strategies that deliver superior returns without unnecessary complexity. Our approach bridges that gap.

I’m Marcello, a former doctor turned full-time investor with two decades of experience in stock and crypto markets. 

Since 2016, I have worked with wealth managers, family offices, and high-net-worth individuals to implement investment strategies that maximize performance while protecting capital.

In 2020 and 2021, my momentum-based approach transformed $32,000 into over $1 million. 

Today, we refine and apply that strategy for professionals seeking an edge in the markets.

What we offer: 

↳ Institutional-grade stock strategies designed for long-term performance
↳ Risk-managed investment frameworks to navigate uncertainty with confidence
↳ Tailored solutions for wealth managers and family offices seeking scalable, high-conviction strategies

If you're looking to strengthen your portfolio strategy with a proven, data-driven approach, email me at marcello@mdvinternational.com

Marcello Duarte Vieira

What catches my eye the most in the financial market this early in the year is the array of thriving sectors like gold and other metals, copper, memory, electricity, and so on, whereas the S&P 500 kicked off slowly. Unlike the previous years, I think this will be one where effective stock picking matters more than it has.

Fund Manager | Specialized Momentum & Risk-Hedged Solutions for Family Offices & Advisors | 20+ Years of Market Experience

Identifying the best stocks in the leading sectors that aren't just "hot" but backed by a solid tailwind is a real superpower.

Bryt Schools

Chief Technology Officer

Google

Senior Staff Software Engineer

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Software Engineering Intern

I spent 8 years at Google making Android the most secure mainstream OS in the world. Now I'm on a mission to move 100 million people up the hierarchy of needs, starting with quality education for children in low-income schools.

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The Battle

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Performance Score.css-goub6s{font-size:var(--chakra-fontSizes-md);font-weight:500;color:var(--chakra-colors-gray-600);display:block;margin-top:var(--chakra-space-1);}Marcello Duarte Vieira's LinkedIn Performance

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