Y Combinator Email Format

Q: What is Y Combinator's email format?

Y Combinator's most common email format is jane@ycombinator.com, used by 96.7% of 272+ verified employees. Other patterns include first@ycombinator.com, flast@ycombinator.com, and firstl@ycombinator.com.

Q: How can I find a Y Combinator employee's email address?

The fastest way is to enter the employee's name and ycombinator.com into Mailsfinder. Mailsfinder cross-references Y Combinator's known email pattern with verified SMTP checks and returns a confirmed deliverable address.

Q: What domain does Y Combinator use for employee email?

Y Combinator uses ycombinator.com as its primary corporate email domain for employees worldwide.

Pattern breakdown

All verified Y Combinator email patterns

Distribution across 272+ verified Y Combinator email addresses. Percentages reflect real, SMTP-verified deliverable addresses, not guesses.

first@ycombinator.com

Most common pattern

96.7%

firstlast@ycombinator.com

Second most common

0.7%

flast@ycombinator.com

Less common

0.7%

last@ycombinator.com

Rare

0.4%

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Top roles

Top job titles at Y Combinator

Most common roles among the 272+ Y Combinator contacts in our database. Useful for targeting the right buyer.

X 15 contacts

Y 12 contacts

Partner 11 contacts

Software Engineer 5 contacts

Verified samples

Real Y Combinator addresses

verified

verified k***@ycombinator.com
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verified k****@ycombinator.com
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verified d*******@ycombinator.com
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verified g****@ycombinator.com
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verified s****@ycombinator.com
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verified a******@ycombinator.com
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verified d*****@ycombinator.com
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verified s*****@ycombinator.com
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About Y Combinator

Who is Y Combinator?

Y Combinator created a new model for funding early stage startups. Twice a year we invest a small amount of money ($120k) in a large number of startups.

Visit ycombinator.com arrow_outward

Industry: Venture Capital & Private Equity
Employees: 802 employees
Headquarters: United States
Founded: 2005
Domain: ycombinator.com
LinkedIn: View profile ↗

Frequently asked

Y Combinator email format FAQ

What is Y Combinator's email format? expand_more

Y Combinator's most common email format is jane@ycombinator.com, used by 96.7% of 272+ verified employees. Other patterns include first@ycombinator.com, flast@ycombinator.com, and firstl@ycombinator.com.

How can I find a Y Combinator employee's email address? expand_more

The fastest way is to enter the employee's name and ycombinator.com into Mailsfinder. Mailsfinder cross-references Y Combinator's known email pattern with verified SMTP checks and returns a confirmed deliverable address, not a guess.

Is Y Combinator's email format verified? expand_more

Yes. The patterns shown here are derived from 272+ Y Combinator email addresses that have passed SMTP and catch-all verification through Mailsfinder. The format breakdown reflects real, deliverable addresses, not pattern guesses.

What domain does Y Combinator use for employee email? expand_more

Y Combinator uses ycombinator.com as its primary corporate email domain for employees worldwide.

Can I bulk-find Y Combinator employee emails? expand_more

Yes. Mailsfinder supports bulk email finding by uploading a CSV of names with ycombinator.com as the target domain, or by pulling employees from LinkedIn Sales Navigator and matching against Y Combinator's verified email pattern.

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