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

Great managers are great at execution. It’s not only about picking good stocks, but also about position sizing, letting winners run, and cutting losses short. I would argue that execution is even more important than stock picking.

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

In most market environments, strong stocks perform extremely well. The exception is bear markets and liquidity crises, where hedging matters most. Otherwise, concentrate on stocks in strong phases. Right now, memory, fiber optics, gold miners, and commodities stand out.

AI is speeding up the markets, making trends shorter and more volatile with sharper swings. More than ever, you need to move quickly and not always hold out for a pullback before jumping into a new trade.

You need conviction in your strategy so you can handle volatility without doing dumb things. Conviction comes from knowledge + experience.

Strategies should be built on first principles. There is no single magic formula in fundamental or technical analysis. You need to understand the concepts that truly make sense and matter most (the 80/20 rule), and have the courage and discipline to execute.

Most investors spend too much time asking: “Am I right or wrong?”
The better question is:
 “How much do I make if I’m right, and how much do I lose if I’m wrong?”
That is the real game.
In investing, win rate is overrated.
 Payoff ratio is what changes everything.
You can be right 70% of the time and still lose.
 You can be right 30% of the time and still outperform.
That is why investing is so hard: it goes against human nature.
 And that is also why conviction and sizing matter far more than most people think.

Salama B.

Stop building their empire. It’s time to convert your 20 years of corporate leadership into a 5-figure independent practice in 90 days.

In October 2023, I reached a crossroads. Even with five job offers on the table the very next morning, I realized I just couldn't do it anymore. It was the safe choice, the one I was supposed to take, but I was done building someone else's asset. 

I had this itch to build something that was actually mine, and I knew I had to take the leap before my expertise became just another corporate commodity.

I had been following OpenAI since it first launched. I spent months perfecting the systems to ensure I wasn't just trading time for money. Crossing that line changed everything. 

Within ten months, I hit six figures and finally secured the four W’s: I choose where I work, who I work with, whenever I want, and on exactly what I want.

Since then, I’ve pressure-tested my frameworks with over 90+ professionals. I’ve refined the process into a structure that takes the guesswork out of the transition. For those who follow it, I’ve seen it lead to a five-figure practice in just three months.

You’ve spent 20+ years building their empire. It’s time to start building yours.

.→ Apply for a 1:1 Strategy Session: https://calendly.com/salamabelghali/ai-powered-executive-to-founder-strategy-chat 

→ Get the AI Leadership Edge: https://salamabelghali.kit.com/f8d805f107

Founder

Women in Web3 Global is the umbrella entity that will oversee the flourishing network of chapters around the world and manage the Women in Web3 Global Summit.

After the phenomenal growth we've experienced with the Swiss NGO Women in Web3 Switzerland, it became clear that our initial structure was ready to evolve. The NGO will continue to nurture our roots in Switzerland, dedicating its efforts to local initiatives and community building.

Women in Web3 Global is our response to the international enthusiasm and the incredible success of our inaugural Global Summit in Davos during the WEF 2024. This expansion will allow us to embrace the global demand for our mission: empowering women in Web3 & AI industries.

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Marcello Duarte Vieira

Salama B.

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taplio

The Battle

Marcello Duarte Vieira

Salama B.

Followers

Posts

Engagements

Likes

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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Performance ScoreMarcello Duarte Vieira's LinkedIn Performance