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.

Former GE Capital Executive | I help founders and executives see what their financials aren’t telling them.

I spent 25 years inside the machine.

GE Capital. GE Vernova. NBCUniversal. Unilever. Structured finance, capital markets, project finance across Latin America. I was the CFO who sat across from banks, governments, and Fortune 500 boards and made the numbers make sense. I closed an $800 million power plant deal. I managed capital market teams and hundred-million-dollar sales budgets. I built financial models that moved real money in real markets.

I was good at it. For a long time, that was enough.

Then it wasn't.

I stayed almost eight years past the moment I knew I was done. Eight years of golden handcuffs, institutional momentum, and not having a single person in my corner who could help me think through what leaving actually looked like -- financially, strategically, personally.

When I finally left, I made mistakes. I jumped into a startup that looked great on paper and had no financial foundation underneath it. I learned the hard way that passion without financial intelligence is just expensive optimism. Then I spent hundreds of thousands of dollars learning the things corporate never taught me -- how to sell, how to communicate with conviction, how to walk into a room and make people feel what I knew to be true about their business.

That education nearly broke me. And it turned me into something rare: a former Fortune 500 CFO who can read your financials like a surgeon reads an MRI and sit across from you like a partner who actually gives a damn.

That's what I do now.

I work with a small number of founders and executives -- people who've already built something substantial and want a strategic partner with real financial depth. Not a coach. Not a consultant recycling frameworks. Not a bookkeeper calling themselves a fractional CFO. Someone who's been in the rooms, closed the deals, read the balance sheets, and came out the other side with a clear point of view about what actually matters.

If you're a founder past $1M who can feel that the way you got here won't get you to the next level, I can show you exactly where the growth is hiding and where the model breaks.

If you're an executive who knows you're meant for something bigger than the title on your business card, I've been where you are. I made the leap. I can help you think through yours.

I don't work with everyone. I'm selective about who I take on because the work only works when both sides are all in.

One conversation is all it takes to know if we're the right fit.

Cruz Gamboa

Most founders don’t go bankrupt overnight.

They bleed slowly.
From numbers they refused to look at.

Revenue looks good.
Growth feels exciting.
Ego feels validated.

But:

➡️ Cash flow is tight
➡️ Margins are thin
➡️ One client controls everything
➡️ Burn rate is “we’ll figure it out”

That’s how businesses die.

Not from lack of ambition.
From lack of financial discipline.

Here’s the cheat sheet I wish every founder read earlier.

Ignore red flags early → pay the price later.

If you want to find your biggest 1% opportunities,
check out scalingcfo.io

Free assessment.

If this helped, save it.

Your P&L Is Hiding the Real Problem.

Most founders check 3 things:

Revenue.
Profit.
Growth rate.

Then they relax.

That’s the mistake.

Because your P&L is a scoreboard.

Not a diagnosis.

And scoreboards don’t tell you why you’re winning,
or why you’re about to lose.

Here’s what it’s not showing you 👇

If revenue is growing but cash is tight…

You don’t have a profit problem.
You have a cash flow problem.

If sales are strong but margins are shrinking…

You don’t have a demand problem.
You have a pricing or delivery problem.

If profit exists but stress keeps increasing…

You don’t have a money problem.
You have an operational problem.

Most businesses don’t collapse overnight.

They erode slowly:

➡️ Slightly rising CAC
➡️ Slightly lower margins
➡️ Slightly higher payroll
➡️ Slightly longer collections

Small leaks.

Compounded monthly.

And because the P&L still “looks fine,”
no one panics.

Until they should have.

Here’s what real operators track:

✓ Gross margin trends
✓ Cash runway (in months) 
✓ Revenue per employee
✓ CAC payback period
✓ Churn rate

Those numbers tell you where the fire is starting.

Revenue is vanity.
Profit is sanity.
Cash flow is survival.

Read your P&L.

But interrogate it harder.

Because the businesses that scale aren’t the ones with the best revenue.

They’re the ones who catch problems before they show up on the bottom line.

Your financial reports are perfect.

Clean P&L.
Accurate balance sheet.
Cash flow that ties out.

Yet decisions still feel slow, reactive, or unclear.

That’s because reports don’t create leverage.
Interpretation does.

Most founders read numbers like history.
High-performing operators read them like instructions.

Every metric should force a decision:
→ double down
→ fix fast
→ kill it

If nothing changes after reviewing your numbers,
you didn’t review them, you admired them.

This cheat sheet breaks down:

➡️ The questions that actually matter
➡️ The metrics that lie
➡️ And how to spot 1% changes that unlock outsized results

Save this before your next finance review.

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cruzgamboadrive

patagonia-solar-llc

This guy bought one random car dealership.
Turned it into a $5B empire.

No fancy startup.
No venture capital.

Just one smart business move.

Terry Taylor started like most people in the auto industry:

Working inside dealerships.

Climbing the ladder.

But he realized something important:

No matter how hard you work…
You’re still building someone else’s business.

So in 1982, he bought his first dealership in Daytona Beach.

Most people would stop there.

He didn’t.

But the real genius wasn’t buying more dealerships.

It was how he structured them.

Instead of hiring managers, he:

• Gave them 20–25% equity
• Helped finance their buy-in
• Let them run the store

Now managers weren’t employees.

They were owners.

And owners think differently.

They protect profits.
They grow the business.
They care about reputation.

So scaling became easy.

1 dealership → 10 → 50 → 120+ dealerships

Today the network does $5B+ in revenue.

Simple lesson:

People work harder for ownership than salaries.

Build partners.
Not employees

If you want to find your biggest 1% opportunities,
check out scalingcfo.io

Free assessment.

If this helped, save it.

Terry Taylor

He spent 31 years running Trader Joe’s.
Mastered pricing. Supply chains. Consumer psychology.
But one thing bothered him more than anything else: food waste.

Every year, the U.S. throws away 120 billion pounds of perfectly good food.
Not unsafe. Just didn’t fit profit models.

Millions of families struggle to afford groceries.
Most CEOs see this as “business as usual.”
Doug saw it as broken design.

After retiring, he didn’t join a board. He didn’t consult.
He asked a different question:

💡 What if food waste became the foundation, not a byproduct?
What if access mattered more than margin?

✅ Daily Table is born.
✅ Grocery store built on surplus food.
✅ Affordable meals. Nutritious produce. Dignity first.
✅ No charity branding. No eligibility checks.
✅ Nonprofit by design. Every surplus reinvested in lowering prices.

Critics say it can’t scale. Doug agrees.
It wasn’t meant to dominate. It was meant to fix a failure everyone ignored.

From grocery CEO → noticing waste everywhere → building a store that feeds people, not profits.

If you want to rethink how systems work, look at incentives, not supply.
This is the anti-profit grocery model.

Daily Table

He was a waiter at Red Lobster.

He had $40.

Most people would complain. He built a $6B brand.

Here’s how:

✅ Saw a problem: kids in his neighborhood paying too much for hats.

✅ Took action: taught himself to sew, made hats at home.

✅ Scaled smart: sold locally → hip-hop stars wore FUBU → national attention.

✅ Got creative: turned his living room into a factory, raised money when banks said NO.

✅ Played the long game: built FUBU → became Shark Tank investor → mentors hundreds of startups.

Most people chase attention.
He chased problems that matter.

Critics said it wouldn’t work. He did it anyway.

You don’t need permission. You don’t need hype.
You need clarity, hustle, and persistence.

From $40 → living room hustle → global empire → Shark Tank.
That’s how legends are built

If you want to find your biggest 1% opportunities, check out scalingcfo.io

Free assessment.
If this helped, save it.

Daymond John

Most people think billion-dollar companies start with experts.

Crumbl Cookies started with two tech guys who had never baked a cookie.

In 2017, they noticed something simple:
Cookies were America’s favorite dessert, but the category hadn’t evolved.
So they focused on a few key moves:

▶ Perfected one cookie first
▶ Kept the menu simple (1 classic + 4 rotating flavors)
▶ Turned weekly flavor drops into social media events

That simple strategy turned a 900 sq ft store and $10K into

✅ 800+ locations
✅ 1M cookies sold daily
✅ $1B+ valuation

They didn’t win by doing more.
They won by focusing on the few decisions that drive everything.

That’s true in finance too.

If you want to find your biggest 1% opportunities, go to scalingcfo.io
Take the free assessments and see exactly where to focus first.

Crumbl Cookies

Some people launch snacks.
Some create global empires from leftovers.

Arch West did the second.

➡️ 1960s. Disneyland.

Casa de Fritos. Tons of stale tortillas. Wasted daily.
A small vendor saw opportunity.
“Cut them into triangles. Fry them. Add some seasoning.”

No PR. No hype. No flashy launch.

Just execution.
Just obsession.
Just seeing value where others saw trash.

1966 → Plain Doritos, national launch.
1972 → Nacho Cheese.
From leftover tortillas → multibillion-dollar snack empire.

Scaling lesson:

Opportunities are everywhere. Most ignore them.
Those who see the leverage, execute relentlessly, and scale turn accidents into legends.

Some people chase attention.
Some quietly turn scraps into billions.

#scalingup #ceo #founder #businesslessons

Doritos

$30,000 → $7 BILLION.
No hype. No fluff. Just strategy.

Dennis Washington was 30, broke, and borrowing $30k from a Caterpillar dealer.

He bought one bulldozer and started doing construction in Montana.

Within 5 years? He was the largest contractor in the state.

But he didn’t stop there.

He asked a simple question:
"Where is everyone running from?"

Then he built a formula:

✅ Buy failing businesses that everyone else ignores.
✅ Fix the basics cut costs, improve management, unlock cash flow.
✅ Use the profits to buy the next one.
✅ Repeat.

First test: a worthless copper mine.
Bought for $15M → $100M profits in 3 years.

Next: a struggling global construction firm, merged it → Washington Group International → sold for $2.6B.

Now? Real estate, aviation, railroads, marine services… a $7B empire all from turning broken things into cash.

Most people run from broken businesses. Dennis Washington built a $7B empire fixing them.

If you want to find your biggest 1% opportunities, check out scalingcfo.io

Free assessment.
If this helped, save it.

Dennis Washington

He had nothing.
No friends. Barely spoke English. ADHD made school unbearable.

At 16, he dropped out. Taught himself to code. Became obsessed with modifying video games.

At 22, he moved to Canada. New country. No network. Just a laptop and a love for snowboarding.

Started an online snowboard store → it failed.

But the software he built to run it? People wanted it.

💡 Lightbulb moment: Forget snowboards. Sell the software.

✅ Shopify is born.
✅ Made e-commerce simple.
✅ Millions of stores. 175 countries. Even Amazon switched.

From high school dropout → coding every week → building the internet’s mall worth $147B.

If you want to find your biggest 1% opportunities, check out scalingcfo.io
Free assessment.
If this helped, save it.

TOBIAS LÜTKE

Most “profitable” companies are one bad month away from dying.

Here’s why.

Profit is an opinion.
Cash is oxygen.

You can look profitable on paper and still miss payroll.
I’ve seen businesses doing 7 figures collapse because one client paid late.

Revenue doesn’t matter if:

• It’s delayed
• It’s unpredictable
• It’s already spent in your head

Growth makes this worse.

You hire early.
Lock in fixed costs.
Sign long-term tools.
Upgrade lifestyle.

Now your burn is permanent…
…but your income isn’t.

That’s the trap.

Another hard truth:
If the founder steps away and sales stop, you don’t have a business.
You have a high-stress job with employees.

Margins won’t save you.
Busy won’t save you.
Brand won’t save you.

Only cash flow will.

Simple rules that keep companies alive:

• Collect faster than you spend
• Keep fixed costs boring
• Build 3–6 months of runway
• Systems before scaling
• Liquidity before vanity growth

The strongest businesses aren’t the loudest.

They’re the ones that can survive a bad month without panicking.

That’s real leverage.

Peter Steinberger could have built “cool” software.

He didn’t.

He built useful software.

PDFs were everywhere. Developers were stuck with messy workflows. Peter asked:

What if developers had tools that just worked? That solved real problems, not just looked good on a portfolio?

✅ PSPDFKit → powers PDF apps across mobile & web.
✅ Open-source projects → simplify workflows, save engineers hours.
✅ OpenClaw → personal AI agent that actually helps you code.

Most people chase attention. Peter chases problems.

Critics say niche tools won’t scale. Peter doesn’t care.
He’s not in it for hype. He’s in it for impact.

From engineer → spotting friction everywhere → building tools that make developers’ lives better.

If you want to build something meaningful, solve real problems.
The market rewards results, not ideas.

If you want to find your biggest 1% opportunities, check out scalingcfo.io

Free assessment.
If this helped, save it.

Peter Steinberger

LVMH is worth $292.9 billion.

You're worth $10M and stressed about payroll.

Same industry. Completely different money game. Here's why.

I've sat inside dozens of $5M–$50M businesses as a fractional CFO.

The pattern never changes.

Founders confuse 3 separate problems:

❌ "We have a cash flow problem."

No. You have a timing problem. Revenue is fine. Your money is just in the wrong place at the wrong time. That's fixable in 90 days.

❌ "We have a scaling problem."

No. You tried to grow before your operations could hold the weight. Every single time. Growth didn't break you, the lack of systems did.

❌ "We have a fundraising problem."

No. Investors don't fund vision. They fund numbers that prove the vision is real. You don't have a pitch problem. You have a financial story problem.

Now look at the billion-dollar brands:

Inditex built Zara to $193B by selling inventory before the bill came due.

Hermès built $235B by turning scarcity into a balance sheet strategy.

Fast Retailing scaled Uniqlo globally because they built finance infrastructure first.

None of that is luck.
All of it is decisions, financial decisions dressed up as brand decisions.

The difference between them and you isn't capital.

It's that they stopped running on gut feel and built a machine that tells them exactly where every dollar is going, and why.

You don't need a $500K CFO on payroll.

You need 10 hours a month of the right financial brain in the room.

That's the actual arbitrage most $5M–$50M founders are sleeping on.

If your finances are running you instead of the other way around,

Comment "CFO" below and I'll show you exactly where to start.

Most founders don’t fail overnight.

They bleed slowly.
From decisions they ignored.
From processes they never set.
From metrics they refused to measure.

Revenue looks fine. Growth feels exciting. Ego feels validated.

But underneath:

➡️ Decisions get delayed → chaos spreads
➡️ Processes depend on you → hero culture burns out
➡️ Metrics are “nice to have” → guesswork rules
➡️ Accountability is optional → everyone points fingers

That’s how scaling dies.

Not from lack of ambition.
From lack of rules.

If you want to find your biggest 1% opportunities, check out scalingcfo.io

Free assessment.
If this helped, save it.
#scalingup #founders #ceo

Most people saw a ping pong table.

Max Koehler saw a business.

In 2019, he noticed something strange:

Table tennis is one of the most played sports in the world,
but in U.S. cities there were very few places to play regularly.

Most founders would open a traditional club.

Max built PingPod instead.

Small glass studios.
Open 24/7.
Booked entirely through an app.
No staff. No front desk.

But the real genius?

A camera above every table.

Every rally gets recorded.
One tap → instant replay → share on social.

Players created the content.
The content created the marketing.

Clips went viral.
Bookings exploded.

Today PingPod is valued around $40–60M.

All from one simple observation.

The best founders don’t just build products.
They build systems that grow themselves. 🚀

If you want to find your biggest 1% opportunities, go to
scalingcfo.io

Take the free assessments and see exactly where to focus first.

#scalingup #founders #CEO

Max Koehler

The trillion-dollar scoreboard isn’t just impressive.

It’s a warning. ⚠️

AI is no longer a feature.
It’s infrastructure.

Distribution beats product.
Platforms compress margins.
Specialisation scales faster than breadth.

And the giants NVIDIA, Microsoft, Alphabet, Amazon, Meta, Apple aren’t just companies anymore.

They’re rails.

If you’re a $1M–$10M founder, here’s the real play:

➡️ Build on top of giants, don’t compete with them.
➡️ Own your audience, don’t rent it.
➡️ Go narrow, dominate a micro-niche.
➡️ Push recurring revenue.
➡️ Move faster than anyone with a board meeting.

The economy is consolidating at the top.

But execution speed is still decentralised.

That’s your edge.

If you're building between $1–$10M and want to scale intelligently, not just aggressively

Come to the workshop → https://lnkd.in/efBiFQRg

I keep having the same conversation.

Founder calls me. Revenue is up -- sometimes way up. 

But they're taking home less than when the business was half the size. 

They hired the consultants. They wrote the plan. They pushed harder on sales. And somehow the business keeps snapping back to the same number like a rubber band.

After sitting across from enough of these founders, I started seeing the pattern. It comes down to three things nobody wants to talk about -- and none of them have anything to do with selling more.

I broke it all down in this week's newsletter.
#scalingup #founders #growth #CEO

I talk to a lot of founders. Like, a LOT. And something keeps coming up that I can't ignore anymore. Almost every conversation -- doesn't matter what 

Open article: The 3 things nobody tells you about getting stuck by Cruz Gamboa • 5 min read

The 3 things nobody tells you about getting stuck

Samsung wasn’t always a tech giant.

It was a tiny grocery store in 1938.

Lee Byung-Chull had $0. Just noodles, dried fish, and ambition.

Most people would stay small. He built a $720B empire.

Here’s how:

✅ Saw a need. Korea needed industry after the war.

✅ Took action. Trading → textiles → heavy industry.

✅ Bet on the future. Electronics in 1969. First black-and-white TV. Then semiconductors. Then global domination.

✅ Built a culture. Quality over quantity. Meritocracy. Vision.

✅ Played the long game. Critics doubted. Scandals happened. Growth didn’t stop.

From noodles → TVs → semiconductors → Galaxy phones → global tech leader.

Most people chase attention. Samsung chased leverage.

Legends aren’t born. They’re built.

SAMSUNG

99% of founders do this backwards.

They try to scale a business
that no one has proven they want.

Then they try to sell a business
that only works because they exist.

Here’s the real order:

1. Start
Don’t build the product.
Sell it first.

If no one pays, it’s not a business.
It’s a fantasy.

2. Scale
Do less. Better.
One offer. One audience. One channel.

Systemize everything.
If it needs you to survive, it’s not scalable.

3. Sell
Buyers don’t pay for hype.
They pay for predictable cash flow.

Clean books.
Recurring revenue.
Low founder dependency.

Start with proof.
Scale with systems.
Exit with leverage.

That’s how you build something that prints money, not something that prints stress.

If you want to find your biggest 1% opportunities,
check out scalingcfo.io

Free assessment.

If this helped, save it.

Most founders don’t have a growth problem.
They have a focus problem.

Their dashboards are full.
Their results are not.

Tracking more KPIs doesn’t make you smarter.

It just gives you more ways to avoid the hard decision.

Here’s how serious founders think about metrics:

If a number doesn’t change what you do this week,
it doesn’t belong on your dashboard.

That’s why the only startup metrics that actually matter answer 4 questions:

1. Is demand growing?
2. Are customers staying?
3. Are they paying more over time?
4. Are we running out of cash before we figure it out?

Everything else is noise.

The best operators I’ve seen track 5–7 metrics max.
They review them weekly.
And they tie each metric to a clear action.

Everyone tracks KPIs.
Very few track the right ones.

If you want to find your biggest 1% opportunities,
check out scalingcfo.io.

Free assessment.

If this helped, save it.

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The Battle

Marcello Duarte Vieira

Cruz Gamboa

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The Battle

Marcello Duarte Vieira

Cruz Gamboa

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