How to Thank Your Mentor: 6 Email & Message Examples

A thank-you email to your mentor does two things. It tells them their time wasn't wasted, and it makes them far more likely to pick up the phone the next time you need them.

So here's one you can send today, five more for the moments that come up most, and then how to make any of them sound like you and not a forwarded template.

The one to send today

If you only send one, send this. Swap the brackets for specifics and you're done.

To:Your mentor

Subject:

Thank you for the call last week

Hi [Mentor's name],

I wanted to thank you for taking the time to talk through [topic] with me last week. I came in stuck on [the specific problem] and left with a clear next move.

Since the call I [the thing you did], and [what happened as a result]. I don't think I'd have gotten there on my own, or at least not this fast.

If there's ever a way I can return the favour, even just putting your work in front of people who'd benefit, say the word. Thanks again.

[Your name]

That's the baseline. Now the five situations where you'll want to change it up.

After your first session

You don't have a result to report yet, so thank them for the clarity and tell them where you're starting.

To:Your mentor

Subject:

Great meeting you, thanks for the time

Hi [Mentor's name],

Thanks for the call today. I wasn't sure what to expect from a first session, but I walked away with three things to try and a much clearer head about [topic].

The point that stuck with me was [the one idea that landed]. I'm going to start there this week.

Looking forward to telling you how it goes. Thanks for being generous with your time.

[Your name]

After their advice paid off

This is the email mentors actually keep. Lead with the result, and use a real number if you have one.

To:Your mentor

Subject:

It worked, wanted you to know

Hi [Mentor's name],

A while back you told me to [the advice]. I finally did it, and [the concrete result: 'our trial-to-paid rate went from 4% to 9%'].

I keep thinking about how a 30-minute call changed the direction of [the project]. Thank you for that.

Coffee or a drink is on me if you're ever in [your city].

[Your name]

When the mentorship is winding down

For the end of a program or a long run of regular calls. Mark the before and after, and make it clear you're not vanishing.

To:Your mentor

Subject:

Thank you for the last few months

Hi [Mentor's name],

As [the program / our regular calls] wraps up, I wanted to say it properly: thank you. When we started I was [where you were]. Now I'm [where you are], and a lot of that is down to the questions you kept asking me.

I won't disappear. I'll keep you posted on [the big goal], and if you ever need anything from my side, I'm one message away.

Grateful for all of it.

[Your name]

The two-line version, for a text or DM

Not every thank-you needs to be an email. If you've got that kind of relationship, a short message lands just as well.

Text / DM

Hey [name], just wanted to say thanks for the call. I [did the thing], and [result]. Owe you one. 🙏

A public thank-you, on LinkedIn

A specific, public shout-out is generous twice over: it thanks them, and it's social proof for the work they do. Tag them so it's on the record.

LinkedIn post

Six months ago I was stuck on [problem]. [Mentor's name] spent an hour helping me see it differently, and it changed how I approached [thing].

Best thing they told me: [the one line]. If you get the chance to learn from them, take it.

Tagging them here so the thank-you is on the record. 🙌

How to make it sound like you

Six templates and you still have to do the hard part, which is making it specific to you. A few rules that have served me well.

Be specific

If they said something in the session that genuinely shook you, mention it by name. Generalities read as polite filler. Specifics read as proof you were listening.

The parts that make it land

M Thank-you note, filled in

Hi Priya, thank you for talking through my onboarding drop-off last week. I came in stuck on a first week where 4 in 10 signups never came back1. Since the call I shipped the checklist version of the first-run screen, and activation is up nine points2. Next I am running the same fix on the pricing page3. If I can ever return the favour, even just putting your work in front of people who would benefit, say the word4.

The specific problem

Named, with its number. It proves the thank-you belongs to your session and nobody else’s.

The result, reported

What you did and what moved. The line that tells a mentor the hour mattered.

The next step

Advice acted on is the real thank-you, and the next move invites round two without asking for it.

The door left open

An offer back, no strings. It closes warm without demanding a reply.

Four moving parts, and none of them is the word thanks. The gratitude is carried by the evidence.

Before you write, answer these for yourself, then put the answers in the email:

Where were you before you talked to them?
Where are you now?
What can you do this week that you couldn't last week?
How did it feel before, and how does it feel now?

Show some personality

Don't be drab. You're a person, not a CRM. Write the way you'd talk if they were across the table.

Tell a story if it's relevant. Maybe something you didn't bring up on the call because you weren't ready to, and now you are. That's the kind of detail a mentor remembers.

Don't stress about length

Some people swear by keeping thank-you notes short. Follow your gut instead. If you had a real connection and you've got something worth saying, a longer note will land. If it was a quick, professional session, keep it quick.

One rough test: the rule of three thumb-scrolls on a phone. If they have to scroll more than three times to get through it, it's probably too long.

Offer something back

If there's a way to be useful to them, an intro, a share, a bit of feedback on something they're building, mention it. Just don't make it read like you're buttering them up to ask for more. The offer should be real, or left out.

Time it right

Don't send it the second the call ends, and don't leave it so long they've forgotten the context. A few days is the sweet spot.

Better still: wait long enough to act on what they told you, then write. An email that says 'I tried it and here's what happened' beats one that just says thanks, every time.

Steal the structure, not the words

This is the ironic part, since I just handed you six examples. Use them for the order and the beats. Don't paste them word for word.

Nothing reads as fake faster than a thank-you your mentor recognises from the mentee who sat in your seat last year. The templates are scaffolding. The specifics are yours.

Want more guidance like that?

Browse 750+ vetted startup and growth mentors and book a call whenever you're stuck. One membership, unlimited calls, every mentor included.

Find a mentor

The best thank-you of all

Most mentors don't do it for the money. They do it because there's a real satisfaction in watching someone get unstuck because of a thing they said. A good thank-you closes that loop. It tells them the hour mattered.

So when someone steps in and shares a bit of hard-won wisdom with you, don't let it pass. Say thanks, and mean it. 🙂

Thanking your mentor: common questions

Mentors worth thanking

Want a mentor of your own?
There are 750+ on GrowthMentor.

Browse vetted startup and growth mentors and book a 1:1 call whenever you need one. One membership, unlimited calls, every mentor included.

Find a mentor

Keep reading

How to Thank Your Mentor: 6 Email & Message Examples