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Burak Buyukdemir

Angel Investing, Done Right


Brainwaves by Burak Büyükdemir

Field notes from 26 years of investing in early-stage startups.

March 27, 2026

Angel Investing, Done Right

· · ·
David S. Rose podcast episode

About the Guest

David S. Rose is a serial entrepreneur, longtime angel investor, founder of Gust (startup funding infrastructure used by many angel groups), and author of Angel Investing: The Gust Guide to Making Money and Having Fun Investing in Startups.

A while back, I hosted David S. Rose on my podcast.

He has a rare combination:

  • he's an operator (built companies),
  • he's an investor (seen the whole movie),
  • and he's unusually honest about how early-stage investing really works.

Here are a few lessons worth stealing.

· · ·

1. "There are very few real pickers."

David said something most investors don't want to admit:

A tiny number of people have a natural sixth sense for picking unicorns.

Most of us don't.

So if you're not one of those "pickers," you need a process.

Not vibes.

· · ·

2. The rational angel playbook is simple

His framework is basically:

  • Get wide deal flow
  • Have a thesis (even if it's broad)
  • Understand traction basics
  • Do real diligence
  • Bet the jockey (the founder), not the horse
  • Make sure the downside isn't insane

His point is important:

Even if you're swinging for unicorns, you should still be rational about the downside.

· · ·

3. One story that explains early-stage risk perfectly

David told a story about investing in "third generation bike sharing."

Instead of "smart hubs," the intelligence moved onto each bike: GPS, lock, control - so bikes could be tracked and unlocked anywhere.

He invested early, helped actively, the company evolved, renamed, and later got acquired by Uber.

The lesson is not "bike sharing is great."

The lesson is: Early-stage outcomes are rarely linear. You're betting on a team's ability to learn, pivot, and survive.

· · ·

4. The most common mistake new angels make

David described the classic first-year trap:

New angel joins a group. Sees 5 amazing pitches. Invests. Next month: 5 more amazing pitches. Invests again. Then reality hits: A startup comes back asking for a follow-on round. And the new angel realizes portfolio value can go down too.

Angel investing is not "one decision." It's a long game: multiple bets, over time, with follow-on dynamics.

· · ·

5. Why angel groups matter (and why they're hard)

He's clear about the upside of angel groups:

  • better deal flow
  • shared learning
  • pooled checks
  • more support for founders

But also clear about the challenge:

Groups move slower than a solo angel. And "herding cats" is real.

That's why some groups create funds to move faster.

· · ·

My takeaway

Angel investing can be one of the most fun, rewarding things you can do.

But only if you accept the core truth: It's extremely risky. Most deals won't work. And you need a process to survive long enough to catch the winners.

If you want the full episode, here it is:

· · ·
The Complete Framework for Startup Pitches

Free Guide — 42 Pages

The Complete Framework for Startup Pitches

Reverse-engineered from 87 YC Demo Day pitches. The 8-line skeleton that gets investors to lean in.

Download Free Guide →

Until next time,

Burak

Founder & Solo GP, Startupist Ventures Fund

Burak Büyükdemir

Burak Büyükdemir

Founder & Solo GP, Startupist Ventures Fund · Startup Istanbul

Founder of Etohum & Startup Istanbul. Solo GP at Startupist Ventures. 26+ years building startup ecosystems across 170 countries.

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Startup Istanbul · Istanbul, Turkey

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.

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