Mark Keffer

Mark Keffer: Email & Phone Number

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Operator | Partner at Kefficient Foundation & Waterproofing|Chesterfield, Virginia, United States

Position:

Operator | Partner at Kefficient Foundation & Waterproofing

Location:

Chesterfield, Virginia, United States

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Last updated: 2026-04-29
Updated: 2026-04-29

Found email addresses for Mark Keffer:

Business emails:
Personal emails:
k***@aol.com,
k***@yahoo.com,
m***@hotmail.com

Found phones for Mark Keffer:

+1-870-***-**99,
+1-323-***-**30
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Work Experience 9 years

Operator | Partner at Kefficient Foundation & Waterproofing

May 2025 - Current

Owner at Kefficient Foundation & Waterproofing

Jan 2017 - May 2025

Mark Keffer started working in 2017, then the employee has changed 1 job. On average, Mark Keffer works for one company for 4 years 9 months.

Education

Pace University

Frequently Asked Questions

What is Mark Keffer's email address?

SignalHire found verified email addresses for Mark Keffer, both business and personal. Their business email is k***@gmail.com, and personal emails include k***@gmail.com, k***@aol.com, and k***@yahoo.com.

What is Mark Keffer's phone number?

SignalHire found multiple verified phone numbers for Mark Keffer: +1-623-***-**38, +1-870-***-**99, and +1-323-***-**30.

How do I contact Mark Keffer at Kefficient Foundation & Waterproofing?

You can reach Mark Keffer through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Mark Keffer's professional background?

Mark Keffer has 9 years of professional experience. They have held roles including Owner at companies such as Kefficient Foundation & Waterproofing. Their education includes Pace University.

Is Mark Keffer's contact information up to date?

Yes. Mark Keffer's SignalHire profile was last updated on 29 April 2026, reflecting their current position as Operator | Partner at Kefficient Foundation & Waterproofing.

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