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Thomas Sullivan Email & Phone Number

Federal Court Security Officer and Special Deputy U.S. Marshal at Walden Security
Location: Newark, New Jersey, United States 9 work roles 3 schools
1 work email found @dhs.gov LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email t****@dhs.gov
LinkedIn Profile matched
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Current company
Walden Security
Role
Federal Court Security Officer and Special Deputy U.S. Marshal
Location
Newark, New Jersey, United States
Company size
2328 employees

Who is Thomas Sullivan? Overview

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Quick answer

Thomas Sullivan is listed as Federal Court Security Officer and Special Deputy U.S. Marshal at Walden Security, a with 2328 employees, based in Newark, New Jersey, United States. AeroLeads shows a work email signal at dhs.gov and a matched LinkedIn profile for Thomas Sullivan.

Thomas Sullivan previously worked as Court Security Officer at Walden Security and Founding Board Member at Leo Only. Thomas Sullivan holds Pre-Law Studies from Mount Saint Mary College.

Company email context

Email format at Walden Security

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tsullivan@dhs.gov
76% confidence

AeroLeads found 1 current-domain work email signal for Thomas Sullivan. Compare company email patterns before reaching out.

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Profile bio

About Thomas Sullivan

Experienced law enforcement professional with over 26 years of service, specializing in criminal investigations, executive protection, aviation security, defensive tactics, use of force and rapid response teams.

Listed skills include Microsoft Office, Microsoft Excel, Microsoft Word, Powerpoint, and 15 others.

Current workplace

Thomas Sullivan's current company

Company context helps verify the profile and gives searchers a useful next step.

Walden Security
Walden Security
Federal Court Security Officer and Special Deputy U.S. Marshal
Newark, NJ, US
Website
waldensecurity.com
Employees
2328
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Company profile
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9 roles

Thomas Sullivan work experience

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

Federal Court Security Officer And Special Deputy U.S. Marshal

Walden Security

Newark, Nj, Us

Court Security Officer

Current
Walden Security

Trenton, New Jersey, United States

Court Security Officer contracted to the U.S. Marshals Service

May 2023 - Present

Founding Board Member

Current
Leo Only

Bellafonte, Pa

Dec 2014 - Present

National Program Manager-Cyber And Operational Technology

U.S. Department Of Homeland Security

Lorton, Virginia, United States

National Program Manager (LTTDY)-Cyber and Operational Technology, Technical Operations Center

Feb 2021 - Mar 2022

Academy Instructor-Defensive Tactics

U.S. Department Of Homeland Security

Brunswick, Georgia, United States

Defensive Tactics Instructor (LTTDY)-Firearms and Tactical Programs, HSI Academy

Jan 2018 - Mar 2020

Special Agent/Jump Team

U.S. Department Of Homeland Security

U.S. Secret Service

Detailed (TDY) to U.S. Secret Service Jump Team for 2016 Presidential Campaign

Jun 2016 - Nov 2016

Senior Immigration Inspector

U.S. Department Of Justice

Jfk Airport, Jamaica, Ny

Immigration and Naturalization Service

May 1996 - Jun 2002
Team & coworkers

Colleagues at Walden Security

Other employees you can reach at waldensecurity.com. View company contacts for 2328 employees →

MM Michael Middleton Michael Middleton Colleague at Walden SecurityUnited States View → DL Daniel Lyons Daniel Lyons Colleague at Walden SecurityLancaster, New York, United States View → JG James Groves James Groves Colleague at Walden SecurityRhome, Texas, United States View → JP Jacqueline Phillips-Butts Jacqueline Phillips-Butts Colleague at Walden SecurityNew Baltimore, Michigan, United States View → BH Brian Horton Brian Horton Colleague at Walden SecurityWashington Dc-Baltimore Area, United States View → SH Shaniqua Harrison Shaniqua Harrison Colleague at Walden SecurityAntioch, Tennessee, United States View → EZ Eric Zanne Eric Zanne Colleague at Walden SecurityNashville, Tennessee, United States View → LB Lamond Bryant Lamond Bryant Colleague at Walden SecurityNashville, Tennessee, United States View → RL R Love R Love Colleague at Walden SecuritySmyrna, Tennessee, United States View → CR Christian Rogers Christian Rogers Colleague at Walden SecurityTaylorsville, North Carolina, United States View →
3 education records

Thomas Sullivan education

FAQ

Frequently asked questions about Thomas Sullivan

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

What company does Thomas Sullivan work for?

Thomas Sullivan works for Walden Security.

What is Thomas Sullivan's role at Walden Security?

Thomas Sullivan is listed as Federal Court Security Officer and Special Deputy U.S. Marshal at Walden Security.

What is Thomas Sullivan's email address?

AeroLeads has found 1 work email signal at @dhs.gov for Thomas Sullivan at Walden Security.

Where is Thomas Sullivan based?

Thomas Sullivan is based in Newark, New Jersey, United States while working with Walden Security.

What companies has Thomas Sullivan worked for?

Thomas Sullivan has worked for Walden Security, Leo Only, U.S. Department Of Homeland Security, Federal Air Marshal Service, and U.S. Department Of Justice.

Who are Thomas Sullivan's colleagues at Walden Security?

Thomas Sullivan's colleagues at Walden Security include Michael Middleton, Daniel Lyons, James Groves, Jacqueline Phillips-Butts, and Brian Horton.

How can I contact Thomas Sullivan?

You can use AeroLeads to view verified contact signals for Thomas Sullivan at Walden Security, including work email, phone, and LinkedIn data when available.

What schools did Thomas Sullivan attend?

Thomas Sullivan holds Pre-Law Studies from Mount Saint Mary College.

What skills is Thomas Sullivan known for?

Thomas Sullivan is listed with skills including Microsoft Office, Microsoft Excel, Microsoft Word, Powerpoint, Customer Service, English, Windows, and Research.

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