How venture works
Angel investors
People writing personal checks — typical sizes, what they add, and how to pick them.
An angel investor is a person investing their own money — often a former founder, operator or executive. They usually write checks on SAFEs or convertible notes at pre-seed and seed, and sometimes join a priced round later for a small slice. They are faster and more idiosyncratic than a fund. They also put a name on your cap table for a decade. Choose them as colleagues, not ATMs.
The big idea
A friend who wires $25k because they believe you is an angel. A partner at a $400M fund who needs an investment-committee memo is not. The analogy breaks when a famous angel starts acting like a board: a $10k check does not earn a product veto.
Check sizes vary. $5k–$25k is common friend-and-family talk. Experienced angels may write $50k–$250k+.
What they add besides cash:
- Intros to customers, hires and the next round's lead
- Pattern recognition from prior companies — useful when honest, harmful when dogmatic
- Speed — a yes in days, not a six-week committee
- Signal — a respected name can unlock other checks
What they sometimes add that you do not want: noisy Slack advice, pressure to raise early, or terms copied from a blog post they half understand.
Tip
Ask for references from founders, not from other investors. "Were they helpful when things went badly?" is the question that matters.
Walking through it
You need $400k on a SAFE. Four experienced angels write $100k each in two weeks. You have four names, four intro graphs, and no lead fund yet. That can be enough to reach a seed lead — or it can become twenty $20k friends, each wanting a private update channel.
A clean mini-process:
- Pick a target amount and a SAFE cap you can defend.
- Start with believers who commit early and create proof.
- Close in a short window. A six-month drip signals weakness.
- One update cadence for everyone. Do not run twenty Slacks.
Warning
Stacking twenty random angels because each was easy money creates a communication tax and a consent nightmare later. Prefer a tight set of strong names, SPVs for crowds, and a clear lead.
Common mistakes
- Giving a tiny check a board-sized voice. Cash is not a voting formula.
- Skipping founder references. Logos on a deck are not the same as help in a miss.
- Letting the round stay open. Allocation politics and renegotiation show up when you drip.
Check yourself
An angel writes $10k and asks for a board observer seat plus weekly product review. What is off?
The check is too small for that control. Cash is fungible; seats are not.
Why start with a few believers instead of spraying 40 first meetings?
Early commits create social proof and a short close; a long open round looks weak.
Key takeaways
- Angels are people writing personal checks — fast, useful, and permanent on the table.
- Optimize for the person: intros, honesty and a fast no beat a slightly bigger wire.
- Keep the set tight; use SPVs when you need many small checks.
Further learning
Next, syndicates and rolling funds for packaged angel capital.
Related
Angels, accelerators and YC
A map of people-checks, syndicates, accelerators and the YC deal — choose them as colleagues, not ATMs.
SAFEs
The post-money SAFE as a right to future equity — valuation caps, discounts, MFN, pro-rata side letters and the ownership math founders must run before signing.
Syndicates and rolling funds
How a lead packages many small checks into one line on the cap table, and how that differs from a solo angel.