John: Email & Phone Number

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Cyber Security Specialist | Senior Principal at SAIC|Ellicott City, Maryland, United States

Position:

Cyber Security Specialist | Senior Principal at SAIC

Location:

Ellicott City, Maryland, United States

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Last updated: 2026-07-18

Updated: 2026-07-18

Found email addresses for John:

Business emails:

g********#@gmail.com

Personal emails:

j***@yahoo.com,

j***@marines.mil,

****@gmail.com,

j***@marines.mil

Found phones for John:

+1-623-***-**23,

+1-205-***-**76,

+1-480-***-**78

A different John?

Work Experience 25 years

Cyber Security Specialist | Senior Principal at SAIC

Oct 2022 - Current

Infantry Officer at United States Marine Corps

Nov 2001 - Current

Operations Officer at United States Marine Corps

Apr 2023 - Sep 2025

Deputy Director of Operations at United States Marine Corps

May 2018 - Sep 2022

Officer in Charge at United States Marine Corps

Nov 2017 - May 2018

Battalion Executive Officer at United States Marine Corps

Jan 2016 - Nov 2017

Assistant Senior Watch Officer at United States Marine Corps

Jan 2012 - Jan 2016

Company Executive Officer at United States Marine Corps

Apr 2009 - Jun 2010

Student / Platoon Commander / Company Executive Officer at United States Marine Corps

Nov 2001 - Sep 2005

Deputy Director of Operations at U.S. Marine Corps Forces Cyberspace Command (MARFORCYBER)

May 2018 - Sep 2022

John started working in 2001, then the employee has changed 2 companies and 8 jobs. On average, John works for one company for 5 years 1 month.

Their professional focus is Best Practice Development, Executive-level Communication, and Leadership across 3 core areas.

Education

Executive Certificate x 2 at Cornell University

Master of Science - MS at College of Information and Cyberspace, National Defense University

Graduate Certificate at United States Marine Corps Command and Staff College

Bachelor of Science - BS at Towson University

Diploma at Chaminade High School

Frequently Asked Questions

What is John's email address?

SignalHire found verified email addresses for John, both business and personal. Their business email is g********#@gmail.com, and personal emails include j***@yahoo.com, j***@marines.mil, and ****@gmail.com.

What is John's phone number?

SignalHire found multiple verified phone numbers for John: +1-623-***-**23, +1-205-***-**76, and +1-480-***-**78.

How do I contact John at SAIC?

You can reach John 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's professional background?

John has 25 years of professional experience. They have held roles including Infantry Officer, Operations Officer, and Deputy Director of Operations at companies such as United States Marine Corps, United States Marine Corps, and United States Marine Corps. Their education includes Executive Certificate x 2 from Cornell University, and Master of Science - MS from College of Information and Cyberspace, National Defense University.

Is John's contact information up to date?

Yes. John's SignalHire profile was last updated on 18 July 2026, reflecting their current position as Cyber Security Specialist | Senior Principal at SAIC in Reston, VA, United States.

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