How many email patterns does 15Five use?

15Five uses 11 known email patterns.

What domain does 15Five use for work emails?

15Five uses 15five.com for work email addresses.

Most Common Email Formats at 15Five

The most accurate and popular 15Five's email format is First.Last@15five.com (ex. John.Doe@15five.com). 15Five also uses First@15five.com (ex. John@15five.com) as email structures. 15Five uses up to 4 different email patterns.

15Five Email Formats	Example	Percentage
First.Last@15five.com	John.Doe@15five.com	85%
First@15five.com	John@15five.com	12%
FLast@15five.com	JDoe@15five.com	2%
LastF@15five.com	DoeJ@15five.com	1%

15Five Email Formats

Example

Percentage

First.Last@15five.com

John.Doe@15five.com

85%

First@15five.com

John@15five.com

12%

FLast@15five.com

JDoe@15five.com

LastF@15five.com

DoeJ@15five.com

Frequently Asked Questions

What does 15Five do?

15Five was founded in 2011. The company's main headquarters is located in 12 Gallagher Lane San Francisco, California 94103 United Statesoperates in the Software Development industry, along with similar companies like Workday1PasswordCulture Amp. You can visit 15five.comcontact 15Five's headquarters by phone at

+1-415-967-****

. Explore 15Five's company overview page for more information.

What is 15Five's email address format?

15Five's email format typically follows the pattern of First.Last@15five.com; this email format is used 85% of the time. Other contacts within LeadIQ's database had email formats such as First@15five.comFLast@15five.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does 15Five have currently?

15Five has approximately 295 employees as of May 2026. Key team members to contact include Chief Executive Officer: D. H.Ceo: D. H.Chief Executive Officer: ก. ก.. For more team information and contact data, explore 15Five's employee directory with LeadIQ.

15Five Email Format

Q: What is 15Five's email address format?

15Five's email format typically follows the pattern of ${fn}.${ln}. Other email formats include ${fn} and ${fi}${ln}.

Software DevelopmentCalifornia, United States201-500 Employees

15Five provides a strategic performance management platform designed to drive action and business impact by aligning people with organizational goals. The platform encompasses 360-degree performance reviews, engagement surveys, robust goal and OKR tracking, customizable manager coaching, and continuous feedback tools such as guided 1-on-1s and check-ins, all integrated into everyday workflows. It blends generative AI, custom analytics, and human-centered principles to deliver data-driven insights and guided recommendations to HR leaders and managers.
Its customer base includes Credit Karma, HubSpot, and Pendo, among more than 3,500 companies that rely on the platform daily. Based in San Francisco, California, the company operates in the software development space, focusing on HR technology and performance management solutions. In June 2026, 15Five announced new AI capabilities at its NEXT virtual summit to support a continuous performance management feedback loop.

Most Common Email Formats at 15Five

Frequently Asked Questions

What does 15Five do?

What is 15Five's email address format?

How many employees does 15Five have currently?

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Most Common Email Formats at 15Five

Frequently Asked Questions

What does 15Five do?

What is 15Five's email address format?

How many employees does 15Five have currently?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

15Five Email Format

Verify 15Five email addresses

Ready to create more pipeline?

Ready to create more pipeline?

Everything for prospecting,
in one platform.