Dan Sullivan

Dan Sullivan: Email & Phone Number

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Founder, CEO & Course Director at L5-S1 Tactical – Frederick, MD|Frederick, Maryland, United States

Position:

Founder, CEO & Course Director at L5-S1 Tactical – Frederick, MD

Location:

Frederick, Maryland, United States

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Last updated: 2026-07-11
Updated: 2026-07-11

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TimezoneEST
Best time to contact12:00 PM – 4:00 PM
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Work Experience 28 years

Founder, CEO & Course Director at L5-S1 Tactical – Frederick, MD

Jan 2012 - Current

Assistant Supervisor of Training/Patrol/Directed Patrol Team • Firearms Coordinator & Instructor at Frederick Police Department

Dec 2004 - Nov 2023

Special Forces Solider at 20th Special Forces Group - Army National Guard

Nov 1998 - Jul 2012

Dan Sullivan started working in 1998, then the employee has changed 2 companies and 2 jobs. On average, Dan Sullivan works for one company for 15 years 10 months.

Their professional focus is Instructional Design, Law Enforcement, and National Security across 3 core areas.

Education

Certificate at Sonoran Desert Institute

Bachelor of Science - BS at Mount Saint Mary's University

Associates at Frederick Community College

Dan Sullivan Namesakes

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Dan Sullivan
Data Analyst
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Dan Sullivan
Senior Territory Manager
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