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Derek Sinclair Email & Phone Number

Field Office Chief at Defense Counterintelligence and Security Agency (DCSA) at Defense Counterintelligence and Security Agency (DCSA)

Location: Fairview Heights, Illinois, United States 2 work roles 4 schools

1 work email found @dss.mil LinkedIn matched

✓ Verified May 2026 4 data sources Profile completeness 100%

Current company

Defense Counterintelligence and Security Agency (DCSA)

Role

Field Office Chief at Defense Counterintelligence and Security Agency (DCSA)

Location

Fairview Heights, Illinois, United States

Company size

636 employees

Who is Derek Sinclair? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Derek Sinclair is listed as Field Office Chief at Defense Counterintelligence and Security Agency (DCSA) at Defense Counterintelligence and Security Agency (DCSA), a company with 636 employees, based in Fairview Heights, Illinois, United States. AeroLeads shows a work email signal at dss.mil and a matched LinkedIn profile for Derek Sinclair.

Derek Sinclair previously worked as Field Office Chief at Defense Counterintelligence And Security Agency (Dcsa) and Sr. Industrial Security Specialist at Defense Security Service. Derek Sinclair holds Master Of Business Administration - Mba, Finance, General from American Public University System.

Company email context

Email format at Defense Counterintelligence and Security Agency (DCSA)

This section adds company-level context without repeating Derek Sinclair's masked contact details.

{first}.{last}@dss.mil

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

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Profile bio

About Derek Sinclair

Derek Sinclair is a Field Office Chief at Defense Counterintelligence and Security Agency (DCSA) at Defense Counterintelligence and Security Agency (DCSA). He possess expertise in leadership, research, public speaking, industrial security, microsoft office.

Listed skills include Leadership, Research, Public Speaking, Industrial Security, and 1 others.

Current workplace

Derek Sinclair's current company

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

Defense Counterintelligence And Security Agency (Dcsa)

Field Office Chief at Defense Counterintelligence and Security Agency (DCSA)

quantico, virginia, united states

Website

dcsa.mil

Employees

636

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Company profile

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2 roles

Derek Sinclair work experience

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

Field Office Chief

Current

Defense Counterintelligence And Security Agency (Dcsa)

Greater St. Louis Area

Jan 2020 - Present

Sr. Industrial Security Specialist

Defense Security Service

Greater San Diego Area

Sep 2009 - Jan 2020

Team & coworkers

Colleagues at Defense Counterintelligence and Security Agency (DCSA)

Other employees you can reach at dcsa.mil. View company contacts for 636 employees →

KV

Kent Vaden Colleague at Defense Counterintelligence And Security Agency (Dcsa) Nottingham, Maryland, United States, United States View → TH

Tim Hieserich Colleague at Defense Counterintelligence And Security Agency (Dcsa) Cranberry Township, Pennsylvania, United States, United States View → SA

Sean A. L Colleague at Defense Counterintelligence And Security Agency (Dcsa) Huntington Station, New York, United States, United States View → SD

Samantha Dambach Colleague at Defense Counterintelligence And Security Agency (Dcsa) Gambrills, Maryland, United States, United States View → JH

John Hegadush Colleague at Defense Counterintelligence And Security Agency (Dcsa) Columbus, Georgia, United States, United States View → NG

Nelson Gutierrez Colleague at Defense Counterintelligence And Security Agency (Dcsa) Dayton, Ohio, United States, United States View → KL

Kevin Love Colleague at Defense Counterintelligence And Security Agency (Dcsa) Los Angeles, California, United States, United States View → DM

Deborah Moore Colleague at Defense Counterintelligence And Security Agency (Dcsa) Delray Beach, Florida, United States, United States View → SG

Scott Gray, Ms Apc Colleague at Defense Counterintelligence And Security Agency (Dcsa) Aberdeen, Maryland, United States, United States View → SR

Susan Rowell Colleague at Defense Counterintelligence And Security Agency (Dcsa) Mays Chapel, Maryland, United States, United States View →

4 education records

Derek Sinclair education

Master Of Business Administration - Mba, Finance, General

American Public University System

Doctor Of Law - Jd

University Of California, Davis - School Of Law

Bachelor'S Degree, Criminal Justice

California State University, Fullerton

Associate Of Arts - Aa, Liberal Arts

Santa Ana College

FAQ

Frequently asked questions about Derek Sinclair

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

What company does Derek Sinclair work for?

Derek Sinclair works for Defense Counterintelligence and Security Agency (DCSA).

What is Derek Sinclair's role at Defense Counterintelligence and Security Agency (DCSA)?

Derek Sinclair is listed as Field Office Chief at Defense Counterintelligence and Security Agency (DCSA) at Defense Counterintelligence and Security Agency (DCSA).

What is Derek Sinclair's email address?

AeroLeads has found 1 work email signal at @dss.mil for Derek Sinclair at Defense Counterintelligence and Security Agency (DCSA).

Where is Derek Sinclair based?

Derek Sinclair is based in Fairview Heights, Illinois, United States while working with Defense Counterintelligence and Security Agency (DCSA).

What companies has Derek Sinclair worked for?

Derek Sinclair has worked for Defense Counterintelligence And Security Agency (Dcsa) and Defense Security Service.

Who are Derek Sinclair's colleagues at Defense Counterintelligence and Security Agency (DCSA)?

Derek Sinclair's colleagues at Defense Counterintelligence and Security Agency (DCSA) include Kent Vaden, Tim Hieserich, Sean A. L, Samantha Dambach, and John Hegadush.

How can I contact Derek Sinclair?

You can use AeroLeads to view verified contact signals for Derek Sinclair at Defense Counterintelligence and Security Agency (DCSA), including work email, phone, and LinkedIn data when available.

What schools did Derek Sinclair attend?

Derek Sinclair holds Master Of Business Administration - Mba, Finance, General from American Public University System.

What skills is Derek Sinclair known for?

Derek Sinclair is listed with skills including Leadership, Research, Public Speaking, Industrial Security, and Microsoft Office.

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