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What is a warm introduction?
Definition: A warm introduction is a connection between two people made by a mutual contact who knows both, vouches for each, and explains why they should talk. Because the request arrives through someone the recipient already trusts, it is much more likely to get a reply than a cold message. Good warm introductions are short, specific about the reason for connecting, and agreed to by both sides first.
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Why it matters
A cold message asks a stranger to trust you on your word alone. A warm introduction borrows trust from someone they already know. For anyone whose work runs on relationships, that borrowed trust is often the difference between a reply and silence.
Warm introductions also show the health of your network. You can only ask for one, or make one, if you have kept in touch. People who check in regularly have more people willing to vouch for them, and more chances to help others by connecting them.
How it works
The three people in every introduction
Every warm introduction involves three roles. The requester wants to meet someone. The connector knows both people and makes the introduction. The target is the person being introduced. The connector carries the most risk, because their reputation is attached to the match. That is why a good request makes the connector's job easy: it explains who you want to meet, why, and what you hope to get from the conversation. It should also include a short, forwardable blurb about you. The easier it is for the connector to say yes, the more likely the introduction happens.
Ask before you introduce: the double opt-in
The most respectful warm introductions use a double opt-in. The connector first asks the target, privately, whether they are open to meeting the requester. Only after the target agrees does the connector send the introduction email to both people. This protects the target's time and keeps the connector from springing obligations on busy people. It also means the target arrives at the conversation already willing. If the target says no, the requester never has to feel rejected in public, and the connector's relationship with both people stays intact.
A warm introduction email template
A simple template the connector can adapt: Subject: Intro: Maya and Sam (data team hiring). "Hi Sam, as promised, meet Maya. Maya led analytics at my last company and is the person I would trust with a messy dataset. She is exploring data lead roles, and you mentioned you are hiring. Maya, Sam runs the data team at his firm and is generous with advice. I will let you two take it from here." Then the requester should reply within a day, move the connector to BCC, and propose times.
Why the trust transfers
A warm introduction works because the connector is vouching for you. The target is not judging a stranger. They are trusting a friend's judgment. Introductions also tend to cross social circles. Granovetter (1973, American Journal of Sociology) described how weak ties act as bridges between groups that would otherwise not connect, carrying new information and opportunities. A warm introduction is one of the clearest ways to use that bridge on purpose, turning a friend of a friend into a direct relationship.
Examples
- A founder asks a former colleague who knows a seed investor for a warm introduction, sending a three-line blurb about the company that the colleague can forward as written.
- A consultant introduces a long-time client to a lawyer she trusts after the client mentions a contract dispute, checking with the lawyer first that he has capacity.
- A job seeker notices that an old classmate now works at a company she admires and asks him to introduce her to the hiring manager for a role posted there.
- A nonprofit board member introduces a major donor to the executive director over coffee, explaining that they share an interest in early literacy programs.
Putting it into practice
- Before asking, look for the strongest mutual contact, not just any mutual contact. Pick someone who knows the target well and who you have stayed in touch with.
- Reconnect before you request. If you have not spoken to the connector in a long time, check in genuinely first rather than opening with an ask.
- Send a forwardable request: one short paragraph on who you are, who you want to meet, and why, written so the connector can paste it into an email.
- Make it easy to say no. Tell the connector you understand if the timing or fit is not right.
- Once introduced, reply quickly, move the connector to BCC, and close the loop later by telling them how the conversation went.
- Return the favor. Keep a list of people you could introduce to each other and offer introductions without waiting to be asked.
Write the message in 20 seconds
Free, no signup. The example is filled in: press the button, then replace it with your own situation. In Capstone, a message like it is written for each person you know when their check-in is due.
Frequently asked questions
What does warm introduction mean?
A warm introduction means being connected to someone new by a person who knows you both. The mutual contact vouches for you and explains why the two of you should talk. It is the opposite of a cold approach, where you reach out to a stranger with no shared connection or context.
What is the difference between a warm introduction and a cold introduction?
A warm introduction comes through a mutual contact who vouches for you, while a cold introduction is reaching out to someone with no shared connection. Warm introductions start with borrowed trust, so they usually get faster, more open replies. Cold outreach can still work, but it has to earn attention entirely on its own.
How do you ask someone for a warm introduction?
Ask directly, briefly, and with an easy way out. Name the person you want to meet, explain why in one or two sentences, and include a short blurb the connector can forward. Say you understand if it is not a good fit. If you have been out of touch, reconnect first before making the request.
What should a warm introduction email include?
A warm introduction email should include both names in the subject line, one or two sentences about each person, and the specific reason they should talk. It should be short enough to read in under a minute. The connector usually ends by stepping back, and the person who asked for the introduction replies first.
What is another word for a warm introduction?
Common synonyms for a warm introduction include a personal introduction, a referral, a warm intro, and a mutual connection introduction. A double opt-in introduction is a specific type where the connector asks both people for permission before introducing them. All of these describe being connected through someone who knows both sides.
Got the intro? The next note is on you. Capstone writes a thank-you to the person who made the intro and a first note to the new contact. Both go from your own email after you approve them.
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A study of 20 million LinkedIn members found that acquaintances, more than close friends, led to new jobs (Science, 2022). Capstone keeps those people warm. You approve every message, and it goes from your own email or phone.