Mark O'Brien
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Mark O'Brien Email & Phone Number

Security Analyst at Global Guardian
Location: Washington DC-Baltimore Area, United States, United States 11 work roles 3 schools
1 work email found @usaid.gov LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email m****@usaid.gov
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Current company
Role
Security Analyst
Location
Washington DC-Baltimore Area, United States, United States
Company size

Who is Mark O'Brien? Overview

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Quick answer

Mark O'Brien is listed as Security Analyst at Global Guardian, a company with 229 employees, based in Washington DC-Baltimore Area, United States, United States. AeroLeads shows a work email signal at usaid.gov and a matched LinkedIn profile for Mark O'Brien.

Mark O'Brien previously worked as Chief of Operations, USAID Command Center at Usaid and Senior Watch Officer, USAID Command Center at Usaid. Mark O'Brien holds Master Of Arts (M.A.), International Relations And Affairs from Webster University.

Company email context

Email format at Global Guardian

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*@usaid.gov
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AeroLeads found 1 current-domain work email signal for Mark O'Brien. Compare company email patterns before reaching out.

Profile bio

About Mark O'Brien

Mark O'Brien is a Security Analyst at Global Guardian. He possess expertise in top secret, weapons, defense, intelligence, operational planning and 16 more skills.

Listed skills include Top Secret, Weapons, Defense, Intelligence, and 17 others.

Current workplace

Mark O'Brien's current company

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Global Guardian
Global Guardian
Security Analyst
Washington, DC, US
Employees
229
AeroLeads page
11 roles

Mark O'Brien work experience

A career timeline built from the work history available for this profile.

Chief Of Operations, Usaid Command Center

Washington, District Of Columbia, United States

Senior Watch Officer, Usaid Command Center

Nov 2021 - Mar 2023

Emergency Management Operations Analyst

Jun 2021 - Nov 2021

Policy Officer

Washington D.C. Metro Area

Conduct burial eligibility, legislative analysis, and policies related to Army cemeteries. Support federal advisory committee actions and respond to queries and constituent concerns. Demonstrate understanding and implementation of federal legislation as it affects cemetery policy. Responsible for integrating with the Army Secretariat and U.S. Army Staff.

Jul 2019 - May 2021

Executive Officer

Washington D.C. Metro Area

Executive Officer to the Executive Director, Office of Cemeteries (OAC) and Superintendent, Arlington National Cemetery (ANC). Provided executive review and advice on all matters to Senior Executives responsible for the integration and continued sustainment of the OAC and ANC. Anticipated administrative, logistical, and operational requirements and.

May 2017 - Jun 2019

Director Of Training And Exercises

Washington D.C. Metro Area

Director of Training and Exercises for Joint Forces Headquarters-National Capital Region and Military District of Washington responsible for identifying training requirements, based on the mission and training status of the organization, and developing several multi echelon training exercises on an annual basis to assist U.S. Northern Command and the.

Sep 2016 - Apr 2017

Deputy Director Of Training And Exercises

Fayetteville, North Carolina Area

Deputy for planning, training, and operations for an over 2,000-person task force with components and organizations located worldwide conducting partnership exercises with America’s closest allies.

Aug 2015 - Aug 2016

Deputy Director

Washington D.C. Metro Area

Led a staff managing a 669-person Battalion with an operating budget of $5 million that executed over 3,000 annual tactical, ceremonial, memorial affairs, contingency missions and training exercises in the Washington D.C. area. Responsible for synchronizing planning across multiple organizational staff sections, including human resources, budget.

Apr 2014 - Jul 2015

Director Of Operations

Fairbanks, Alaska

Managed an operations directorate of 15 people responsible for planning coordination of operations and training for a 694 soldier organization with over 60 vehicles. Developed the two year operational and training plan based on guidance from the commander while leading a staff to help coordinate and synchronize our activities with multiple other agencies.

Nov 2012 - Mar 2014

Officer

Prior work experience includes over 14 years serving in multiple leadership and project management roles from organizations in varying size from 40 up to 500 personnel.

May 1998 - Oct 2012
Team & coworkers

Colleagues at Global Guardian

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3 education records

Mark O'Brien education

FAQ

Frequently asked questions about Mark O'Brien

Quick answers generated from the profile data available on this page.

What company does Mark O'Brien work for?

Mark O'Brien works for Global Guardian.

What is Mark O'Brien's role at Global Guardian?

Mark O'Brien is listed as Security Analyst at Global Guardian.

What is Mark O'Brien's email address?

AeroLeads has found 1 work email signal at @usaid.gov for Mark O'Brien at Global Guardian.

Where is Mark O'Brien based?

Mark O'Brien is based in Washington DC-Baltimore Area, United States, United States while working with Global Guardian.

What companies has Mark O'Brien worked for?

Mark O'Brien has worked for Global Guardian, Usaid, Amentum, and Us Army.

Who are Mark O'Brien's colleagues at Global Guardian?

Mark O'Brien's colleagues at Global Guardian include Stephen Johnson, Nick Helmick, Katrina Henry, Cpa, Austin Hansen, and David Beckford.

How can I contact Mark O'Brien?

You can use AeroLeads to view verified contact signals for Mark O'Brien at Global Guardian, including work email, phone, and LinkedIn data when available.

What schools did Mark O'Brien attend?

Mark O'Brien holds Master Of Arts (M.A.), International Relations And Affairs from Webster University.

What skills is Mark O'Brien known for?

Mark O'Brien is listed with skills including Top Secret, Weapons, Defense, Intelligence, Operational Planning, Army, Military Training, and Counterinsurgency.

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