John Mardis: Email & Phone Number

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S3 at United States Marine Corps|Kailua, Hawaii, United States

Position:

S3 at United States Marine Corps

Location:

Kailua, Hawaii, United States

View John Mardis's Email

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Last updated: 2026-07-10

Updated: 2026-07-10

Found email addresses for John Mardis:

Business emails:

m*********n@marines.mil

Personal emails:

j***@hotmail.com,

m***@marines.mil

Found phones for John Mardis:

+1-623-***-**66,

+1-870-***-**63,

+1-480-***-**23

A different John Mardis?

Work Experience 16 years

S3 at United States Marine Corps

Mar 2026 - Current

Platoon Sergeant at 3rd Marine Division

Feb 2025 - Mar 2026

Recruiter at Marine Corps Recruiting

Dec 2021 - Jan 2025

Platoon Sergeant at 6th Marine Regiment

Aug 2018 - Dec 2021

Squad Leader at U.S. Marine Corps Reserve

Sep 2014 - Aug 2018

Logistics Assistant at AmeriCorps NCCC

Jul 2014 - Jul 2016

Infantry at 3rd Battalion, 4th Marines

Jun 2010 - Jun 2014

John Mardis started working in 2010, then the employee has changed 6 companies and 5 jobs. On average, John Mardis works for one company for 2 years 7 months.

Their professional focus is Adaptive Learning, Administration, and Briefing across 3 core areas.

Education

American Military University

Homer-Center Junior/Senior High School

Frequently Asked Questions

What is John Mardis's email address?

SignalHire found verified email addresses for John Mardis, both business and personal. Their business email is m*********n@marines.mil, and personal emails include j***@hotmail.com, and m***@marines.mil.

What is John Mardis's phone number?

SignalHire found multiple verified phone numbers for John Mardis: +1-623-***-**66, +1-870-***-**63, and +1-480-***-**23.

How do I contact John Mardis at United States Marine Corps?

You can reach John Mardis 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 John Mardis's professional background?

John Mardis has 16 years of professional experience. They have held roles including Platoon Sergeant, Recruiter, and Platoon Sergeant at companies such as 3rd Marine Division, Marine Corps Recruiting, and 6th Marine Regiment. Their education includes American Military University, and Homer-Center Junior/Senior High School.

Is John Mardis's contact information up to date?

Yes. John Mardis's SignalHire profile was last updated on 10 July 2026, reflecting their current position as S3 at United States Marine Corps in Washington, DC, United States.

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