How many email patterns does SEI use?

SEI uses 6 known email patterns.

What domain does SEI use for work emails?

SEI uses seiinc.org for work email addresses.

Most Common Email Formats at SEI

SEI's most common email format is FirstLast@seiinc.org (ex. JohnDoe@seiinc.org), used for 73% of seiinc.org addresses. SEI uses 4 email patterns.

@seiinc.org

4 patterns

Format	Example	Share of seiinc.org
FirstLast@seiinc.orgMost common	JohnDoe@seiinc.org	73%
First@seiinc.org	John@seiinc.org	22%
FirLast@seiinc.org	JohDoe@seiinc.org	3%
FirstL@seiinc.org	JohnD@seiinc.org	2%

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Frequently Asked Questions

What does SEI do?

SEI was founded in 1997 and operates in the Environmental Services industry, alongside similar companies like Redefine Alliance, Skoll Foundation and New Profit. You can visit seiinc.org or contact SEI's headquarters by phone at

+1-415-507-****

. Explore SEI's company overview page for more information.

What is SEI's email address format?

SEI's email format typically follows the pattern of FirstLast@seiinc.org; this email format is used 73% of the time. Other contacts within LeadIQ's database had email formats such as First@seiinc.org and FirLast@seiinc.org. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does SEI have currently?

SEI has approximately 154 employees as of October 2026. Key team members to contact include Chief Operating Officer: S. M., President: B. M. and Cooperative Worker Owner: J. H. For more team information and contact data, explore SEI's employee directory with LeadIQ.

SEI Email Format

Q: What is SEI's email address format?

SEI's email format typically follows the pattern of ${fn}${ln}. Other email formats include ${fn} and ${f3}${ln}.

Environmental ServicesCalifornia, United States51-200 Employees

SEI is an environmental nonprofit focused on building leadership to accelerate climate solutions. For 28 years, it has partnered with schools, communities, and businesses to develop a leadership pathway from elementary school to early career. Its flagship programs—Energize Schools, Energize Colleges, Climate Corps, Climate Corps Education Outside, and Energize Careers—educate and empower students and emerging professionals to help create thriving, resilient communities.

Based in San Rafael, California, the nonprofit serves schools, communities, and businesses to foster leadership development for climate solutions. Its programs are designed to create a continuum of opportunities from elementary education to early career engagement. The organization employs a mid-sized staff.

Most common format

FirstLast@seiinc.org

Example: JohnDoe@seiinc.org

4 patterns. See all formats

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Most Common Email Formats at SEI

@seiinc.org

Need a specific person's email?

Frequently Asked Questions

What does SEI do?

What is SEI's email address format?

How many employees does SEI have currently?

SEI Email Format

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What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.