Summary
Overview
Work History
Education
Skills
Timeline
Generic

John Ellis

Gentry

Summary

Former U.S. Marine Corps Infantry Sergeant (E-5) and NREMT-B–certified Security Medic with experience operating in high-threat environments. Proven background in protective security, emergency trauma care, and small-unit leadership, with deployment experience supporting multi-national operations and diplomatic security missions in austere conditions. Selected for Scout Sniper Platoon and graduated in the top 5% of the Advanced Infantry Course, demonstrating high performance under pressure. Skilled in integrating medical support with security operations to ensure mission success and personnel safety.

Overview

6
6
years of professional experience

Work History

Security Emergency Medical Technician

GardaWorld Federal Services
Port-au-Prince, Haiti
08.2025 - 02.2026
  • Provided armed security and primary medical support for U.S.-affiliated personnel in a high-threat environment
  • Delivered TCCC-based care and maintained full readiness of trauma equipment during all movements
  • Supported protective operations and route security in a volatile, gang-influenced urban area
  • Conducted and assisted in real-world CASEVAC operations, stabilizing casualties prior to evacuation
  • Participated in mass casualty responses, performing triage and emergency treatment under pressure

Marine Corps Infantryman

Department of Defense
San Clemente
08.2020 - 08.2025
  • 81mm Mortarman; advanced to Gun Squad Leader with leadership and operational responsibilities
  • Deployed with 31st MEU conducting multi-national amphibious and joint operations
  • Selected for Scout Sniper Platoon; served as point man
  • Promoted to E-5 (Sergeant); led and mentored junior Marines while maintaining accountability, discipline, and operational readiness
  • CLS-qualified; trained in trauma care and live blood transfusion
  • Top 5% graduate, Advanced Infantry Course

Education

EMT-B - EMT-B

EMSTA
Santee, CA
03.2025 - 06.2025

Advanced Infantry Marine Course

United States Marine Corps
01.2025 - 03.2025

East Side Highschool
Taylors, SC

Skills

  • Emergency response
  • Trauma care
  • Tactical communication
  • Team leadership
  • Protective Security Operations
  • Small United Leadership
  • Weapons handling
  • Communication

  • Radio communications
  • Marksmanship expertise
  • Physical fitness

Timeline

Security Emergency Medical Technician

GardaWorld Federal Services
08.2025 - 02.2026

EMT-B - EMT-B

EMSTA
03.2025 - 06.2025

Advanced Infantry Marine Course

United States Marine Corps
01.2025 - 03.2025

Marine Corps Infantryman

Department of Defense
08.2020 - 08.2025

East Side Highschool
John Ellis