How to mentor startup founders (without burning out)

Decide what you are offering, and for how many hours

Most people who want to help founders start with the right instinct and the wrong offer: "happy to help, ping me anytime." Two months later they have nine half-finished conversations, a guilty inbox and no idea whether any of it helped. Start the other way round. Name the problem you can help with and the time you can actually give.

Pick one lane where you have done the work yourself: hiring a first sales team, pricing a B2B product, getting through a medical device approval, raising a seed round. "I help early B2B founders price their first contracts" is something a founder can say yes or no to. "I help startups grow" is not.

Then put a number on your time. For comparison, SCORE, the US volunteer business-mentoring nonprofit, estimates two to four hours a week of client mentoring for its mentors, with sessions of 30 to 90 minutes, and asks for roughly 15 to 20 hours a month in total including notes and chapter meetings. Most people mentoring next to a job will want far less. One founder and two hours a month is a real commitment; five founders "whenever" is not. The Techstars Mentor Manifesto puts it plainly: clearly commit to mentor, or do not. Either is fine.

My mentoring offer
I help: [type of founder] with [one specific problem]
Because I have: [what you actually did, where, when]
I can give: [N] founders × [N] hours a month
Format: [one 45-minute call every two weeks + written questions answered within 2 working days]
Not included: [doing the work, legal/tax advice, introductions before we have met twice]

Choose who to help with three questions

You will get more requests than hours, and choosing is part of doing this well, not a lack of generosity. The founders who get the most from a mentor tend to be the ones who arrive with a clear question and do something with the answer. Before you agree to anything, ask the founder for a short note and look for three things:

• A specific decision. "Should we charge per seat or per project before our first five customers?" is mentorable. "Can you look at everything?" is not yet.
• Evidence that they work between conversations: customer interviews done, a prototype shipped, numbers they can share. Commitment is easier to see in what they did last month than in what they promise.
• A real fit with your lane. If the problem is outside what you have done, the kindest answer is a pointer to someone who has.
• And one for you: after a 20-minute call, do you look forward to the next one? Chemistry is not a soft extra; it decides whether you keep showing up.

Before we meet, could you send me 5 lines?
1. What you are building, in one sentence
2. The decision you need to make in the next few weeks
3. What you have already tried or learned
4. One number or piece of evidence that matters right now
5. What a useful hour with me would change for you

Run a first session that ends in action

The common first-session mistake is to start solving in minute three. Spend the first part listening: what the founder is trying to do, what they have tried and what is really in the way. The Techstars manifesto, written by Techstars co-founder David Cohen with Brad Feld and Jon Bradford, lists the habits behind it: be Socratic, listen too, clearly separate opinion from fact, say "I don't know" when you don't know, and guide rather than control, because it is their company, not yours.

SCORE describes the same role from the other side: understand the business, identify needs and challenges, answer questions and guide the client to solutions and resources. You will not do the work for them. That sentence is worth keeping on your own wall.

End with commitments, not a pile of advice: one to three actions, each with an owner and a date, chosen by the founder. If they leave with ten ideas, they will do none of them.

45-minute first session
0-15 min: Listen. "Walk me through the decision and what you have tried."
15-30 min: Questions. "What would have to be true for option A to work? What do you know vs. what are you guessing?"
30-40 min: Your view, labelled. "This is my opinion from [experience]..." / "This part is fact: ..." / "I don't know, but [name] would."
40-45 min: Commitments. "What will you do before we talk again, and by when?"

Follow up in writing, and give it more than one meeting

Send a short note within a day: what was decided, the actions and dates, and when you will talk next. Ask the founder to open the next session with what actually happened. The note protects both of you from false momentum and shows you, after a few months, which advice turned into results.

One coffee rarely changes a company; a relationship sometimes does. In Endeavor Insight's study of New York tech companies, written up by its director Rhett Morris, 33% of founders mentored by successful entrepreneurs went on to become top performers in their peer group, more than three times the rate of the other New York tech firms studied, and the strongest mentoring pairs met three or more times. That is a correlation in one city, not a promise, but its two lessons are useful: relevant experience matters, and so does showing up again.

Subject: Notes from today

Decided: [one line]
Your actions: 1) [action] by [date] 2) [action] by [date]
My action: [intro / document / question] by [date]
Next call: [date]. Start by telling me what happened with #1.

Make introductions the founder (and the other person) will thank you for

Introductions are often the most valuable thing a mentor gives, and the easiest way to spend your reputation. A common standard in the startup world is the double opt-in: ask the other person first whether they want the introduction, with a reason, and only connect the two once both say yes. Not everyone works this way. Investor Adam Draper wrote that he prefers to just send a thoughtful introduction, while acknowledging that many investors ask for double opt-in. Since you can't remember everyone's preference, asking first is the safe default.

Wait until the founder is ready for the person you are introducing: an investor introduction before the founder can explain their traction in two sentences helps nobody. If you want to help a founder ask for introductions well, our guide on warm investor introductions has templates they can adapt.

Hi [Name], quick check before I connect you with anyone.

I have been mentoring [founder], who is building [one line]. They are working on [specific problem] and I think 20 minutes with you on [your specific experience] would save them weeks. No pitch, just that question.

Would you be open to an intro? Completely fine to say no.

Set limits that keep you mentoring next year

Burnout in mentoring rarely comes from the sessions. It comes from the unbounded in-between: the late-night "quick question" before a pitch, the deck you agreed to "just tidy", the fifth founder you could not say no to. Decide the limits up front and say them in the first session, so they never feel personal later.

• A cap on founders at once, and a waiting list when you are full.
• A response time for messages (for example two working days) and one channel, instead of being reachable everywhere.
• No doing the work: once you are writing their code, copy or deck, it is consulting. That can be fine, but agree it as a separate, paid or formal arrangement.
• Confidentiality: hold what founders tell you in confidence, as the Techstars manifesto asks, and say out loud if you have a conflict, for example if you invest in or work for a competitor.
• If your employer or profession has rules on outside activities, check them before you agree to a formal role.

Review after three months: grow it, formalize it or end it kindly

Put a review in the calendar when you start. After about three months, ask each other two questions: did the actions happen, and did the founder's decisions get sharper? If yes, keep going or agree a lighter rhythm. If you have become part of the company's week (regular decisions, introductions, accountability), it may be time for a formal advisor role with a written agreement; our guide on becoming a startup advisor covers what that usually looks like and what equity to expect.

If it is not working, end it cleanly instead of fading out. Founders forgive a mentor who says "I am not the right person for this stage"; ghosting costs you more.

Hi [Name], I have really enjoyed our sessions. Looking at where you are now, I think [stage/problem] needs someone with more [experience] than I have, so I'd like to step back from our regular calls. Here are two people worth talking to: [names, after I check with them]. You can still send me a question on [topic] anytime.

Where founders who need your help actually are

You don't need a program to mentor, but programs give you a structure and founders who are ready. Pick the route that matches the time you can give.

• Accelerators: Techstars runs mentor-to-mentor training and asks new mentors to meet companies at program events; most accelerators have a similar mentor network.
• Volunteer programs: SCORE matches mentors with small-business owners in the US who submit a business question.
• University and city programs: entrepreneurship centers and local hubs often look for mentors in specific fields.
• Your own network: former colleagues who started companies, and founders who reached out after a talk or a post.
• Founders who are looking: send our guide on finding a startup mentor to someone who asks; it shows them how to bring you the kind of question you can answer.

Get found by the founders you can help on Solution

Everything above works better when the founder who reaches you already has the problem you know. That is what Solution is for when you mentor. Founders, investors, advisors, developers and executives are in one room, and people find each other by what they offer and what they need. Mentor requests on Solution work as Advisor requests, so a founder who needs exactly your lane can say so, and the conversation starts with the reason you were brought together instead of a cold "can I pick your brain?". Sections have an end and there is no endless feed, which suits someone with a fixed number of hours: find the one founder worth helping and get on with your day.

Here is how to set it up with your mentoring offer from step 1:

• Create a free profile and write your offer the way you wrote it above: what you help with, for whom, and what you have done. "What someone helps with" is one of the search filters founders use.
• Answer the short Smart Connections questionnaire (four taps on how you work). Smart Connections suggests people and says why each one fits: what you need, how you work and where you are.
• Look for Advisor requests from founders (posted under the Partner arrangement, "an advisor, an investor or a collaborator") and answer the ones that match your lane. Use the five-line note from step 2 as your first question back.
• Read a founder's startup page before you reply: it shows what the startup does, its stage, what it is raising and the roles it needs, which tells you quickly whether your experience fits.
• Follow the startups you mentor, and believe in the ones you have real confidence in; the founder gets a notification saying who believes.
• Free and Membership, plainly: a profile, exploring people and startups, following them, your first three messages and seeing that Smart Connections has picks for you are free. Membership lets you message anyone directly, see who Smart Connections picked for you and why, post and answer requests, appear in the directory and join events.