Most "mentors" in your network aren't, and most paid mentors won't be either. That's not a moral failing - "mentor" is a word that gets used for everyone from "person whose tweets I like" to "person who actually cares whether I figure this out." The good news is that you can tell the difference in about half an hour, if you know what to listen for.
This piece is a field guide. Five signals, the questions that surface them, the red flags to watch for, and a simple thirty-second rubric you can use the moment the call ends - so you stop relitigating the conversation in your head for the next three days.
Why this matters more than you think
Picking the wrong mentor is expensive in a quiet way. The right person nudges you toward better decisions for years. The wrong one wastes your time, gives you confidence in the wrong direction, and - if they're polished enough - makes it hard to walk away. Most people only realise they had the wrong mentor about six months in, when the advice has had time to age badly.
Thirty minutes is a long time to evaluate a stranger. Most of what you need is in the first ten - if you're paying attention.
The five signals of a real mentor
None of these are about credentials. Credentials get you into the room. These are what tell you whether the room was worth getting into.
1. They ask questions before they answer.
The first thing a great mentor does in a fresh conversation is ask. Not generic ones - specific ones, calibrated to what you've just told them. They're trying to figure out the actual problem before they reach for a frame. Polished mentors run the opposite play: they pattern-match what you said to a familiar story and start telling that story.
2. They tell you about a time they were wrong.
Anyone who's done meaningful work has been wrong, often. Real mentors say so out loud, casually, without performing humility. Polished mentors - especially the famous ones - have a curated set of "failures" that turned out to be successes. The texture is different. Listen for it.
3. They give you specific work to take away.
By the end of the call, a real mentor has handed you something concrete: a question to sit with, a person to talk to, a draft to write, a metric to look at. Polished mentors leave you with frameworks. Frameworks feel productive and produce nothing.
4. They name their constraints.
"I haven't worked on a series-A in five years, so take what I say about runway with a pinch of salt." A great mentor knows the edges of their experience and tells you when you've stepped outside them. A weak mentor will give you a confident answer regardless.
5. They make you do the thinking.
Counter-intuitive but real: the better the mentor, the less of the call they spend talking. They reflect, they reframe, they ask follow-ups. You leave the call with the answer feeling like it came from you - which, in the cases that matter, it did. They just helped you find it.
How to test them in the first 30 minutes
You don't need a script. You need a set of moments to pay attention to. These four are the ones that tell you almost everything.
Ask something genuinely open: "Here's the situation, here's what I'm leaning toward - what would you push on?" A real mentor pushes specifically. A polished mentor agrees with you and tells you why your instinct is right.
"Tell me about a time you got this kind of decision wrong." Watch how they answer. Specific story = real. Vague reframing of a success = polished.
Ask them to weigh in on something close to the edge of their experience. Real mentors say "I'm not the right person for this part - here's who I'd ask." Polished ones answer anyway.
At minute 25, ask: "What's one thing you'd have me do this week?" If the answer is concrete and small, that's signal. If it's a framework or a book recommendation, that's not.
Red flags that mean walk away
Some of these will feel small in the moment. They aren't.
- They name-drop in the first ten minutes. The good mentors we know are weirdly stingy with names. They use them when relevant; they don't use them as currency.
- They don't remember anything you told them at the start by the end. If you mentioned the deadline at minute three and they're still riffing on it at minute twenty-eight, they weren't listening.
- They sell you on more sessions before they've earned them. A real mentor wants to see if the first conversation actually helped before scheduling the next one.
- They have an opinion on everything. Especially the things they shouldn't have an opinion on. This is a confidence-as-a-product problem and it scales badly with your trust.
- You feel slightly worse about your situation than when you started. Not "challenged in a useful way" - actually worse. A good mentor leaves you with something to do, not something to dread.
A simple post-conversation rubric
The single most useful habit we've watched Seekers develop is filling out a tiny rubric within five minutes of a mentor call ending - while it's still fresh and before your brain starts smoothing over the awkward bits.
Score each, 1-5, on the back of an envelope:
- Did they ask before they answered?
- Did they tell me a specific story I'll remember?
- Did I leave with one concrete thing to do?
- Did they name where their experience runs out?
- Do I feel like the answer came from me?
Anything below a 3 average is a signal to try someone else. Anything above a 4 is rare and worth holding onto. The middle band is normal - first conversations vary - but track it across two or three sessions before deciding.
Run the rubric on a real conversation, not in your head.
Amigzo Guides are real working professionals - PMs, EMs, designers, founders, consultants - available per-minute for short, focused conversations. You don't have to commit. You just have to show up with a question.
The 90-second version
- Most "mentors" aren't. Credentials get you into the room; the real test is the first thirty minutes.
- Real mentors ask first, name their constraints, and leave you with concrete work to do.
- Polished mentors give you frameworks, name-drop, and have an opinion on everything.
- Run a five-question rubric the moment the call ends. Trust the score, not your memory.
- Two red flags in one conversation is enough to walk away. There are other people.
Sahil V.
Editorial, Amigzo
Sahil writes about mentorship, hiring, and the soft-skills end of careers. He's had more bad mentor calls than he'd like and wrote this so you have fewer.