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Burak Buyukdemir

Entrepreneur, VC, and storyteller. I invest in early-stage startups worldwide, share candid lessons from 20+ years in tech, and spotlight founders shaping the future. Join 100,000+ readers each week.

Why Brown M&Ms Predict Startup Failure

Brown M&Ms and Bad Founders

Van Halen buried a clause in their concert contracts: remove all brown M&Ms from backstage. Rock star ego? No. Safety test. If promoters missed this detail, they'd miss the technical specs that kept people alive. I use the same test with founders. My brown M&M? Email response time. Your inbox habits reveal everything. Operational discipline—are you drowning or organized? Strategic thinking—do you prioritize or just react? Professional respect—do you value other people's time? In 20 years,...

Serendipity is a strategy (not luck)

Most founders think success comes only from strong connections—mentors, close partners, trusted allies. The truth is different. Weak ties—casual acquaintances, a friend of a friend, someone you met once—often unlock the biggest opportunities. Mark Granovetter proved this decades ago: weak ties bring fresh information, new markets, unexpected introductions. Your inner circle repeats what you already know. Weak ties give you what you don’t. Strong networks become echo chambers. Everyone thinks...

The Next Unicorn

Every founder thinks they're building the next unicorn. Zero revenue today, but somehow worth billions tomorrow. Their pitch decks show hockey stick projections based on nothing but hope. This delusion is contagious. The culture glamorizes overnight billionaires. VCs ask for massive outcomes. Founders respond with fantasy. They craft absurd narratives, use AI to "beef up generic bullet points," and present fiction as fact. The dangerous part? They start believing their own lies. What begins...
10 days. 10 brutal emails. One paying customer—or proof your idea isn’t worth it.

The Startup Lie Everyone Believes

Day 0: Brutal TruthMost founders fail not because their ideas are bad, but because they waste months pretending. Pitch decks. Market size slides. Fancy logos.All noise. The only thing that matters: 👉 Will someone pay you? That’s why I built 10 Brutal Days. Every day for 10 days, you’ll get one sharp, simple task.Not theory. Not motivation. Just brutal actions that move you closer to a paying customer—or prove your idea isn’t worth chasing. ⚠️ Warning: most people quit by Day 3.That’s the...
The Funding Delusion: You're Celebrating a Petrol Station

Funding is just fuel, not the finish line

Raised investment? Congrats, You Bought Gas. Now Where Are You Driving? Raising money isn't success. It's just the beginning. Yet founders treat funding rounds like finish lines. They think a check from a prominent VC validates their idea. They're wrong. I have been talking with many founders for the last 20 years, and I see this pattern most often in early-stage startups. The first milestone they obsess over is the check—not the customer. Money without a plan often makes companies sloppy....
This free guide helps you test if your product is a “must-have” (painkiller) or just a “nice-to-have” (vitamin).

Is Your Product a Vitamin or a Painkiller?

The fastest way to fail is to build something nobody really needs. A painkiller product solves a burning problem: customers say “I need this now”, pull out their credit card, and ask “How soon can we start?” Decisions happen fast. Teams align quickly. Value is obvious. A vitamin product sounds interesting but isn’t urgent. Customers say “maybe later”, ask for more meetings, or need convincing. They already have a way to get by. You end up explaining why they need it—because the pain isn’t...

10 Clear Signs You’ve Finally Reached Product-Market Fit

I’ve looked at thousands of startup decks. The fastest way to kill a company is to chase growth before finding product–market fit. PMF means your product solves a real pain for a clear customer segment and delivers obvious value. You don’t need consultants to tell you—you’ll feel it. Customers pull the product from you, not the other way around. But PMF isn’t binary—it’s a spectrum. It shifts with your product, market, and customers. That’s why founders are always searching for it, and why...

The complete pitch deck checklist VCs actually use

I confess—we ran pitch competitions for more than 10 years. Rooms were packed, trophies given, winners celebrated. But they were theater, not business. Winning means nothing if customers aren’t paying. Last Friday, I judged Pitch Challenge Istanbul. 59 founders pitched. By number 25, I had to leave—not because I didn’t care, but because the same mistakes kept repeating: jargon-stuffed slides, features over problems, and “change the world” visions with no traction. Here’s the reality: 3...

The Echo Chamber

When founders need feedback, they ask friends and family first. Terrible mistake. Your mom thinks everything you do is brilliant. Your best friend won't hurt your feelings. This inner circle kills more startups than competition ever will. I watch this pattern constantly when my close circle asks me about their startup ideas. They think that I work with startups so I should know whether their idea will work or not. They want to validate their startup idea with me first. But they also know I'm...

The IKEA Effect

The "IKEA effect," described by Dan Ariely, shows how people overvalue things they've built themselves. That bookshelf you assembled? Worth gold to you, junk to others. For founders, this bias is everywhere. A feature isn't just code—it's late nights, lost weekends, and ego. In my experience with founders, I see this very often. They over-invest emotionally in their companies, treating them as extensions of themselves. This makes it hard to pivot, update, or even keep up with competition....

Entrepreneur, VC, and storyteller. I invest in early-stage startups worldwide, share candid lessons from 20+ years in tech, and spotlight founders shaping the future. Join 100,000+ readers each week.