About the Institute
Professional training, delivered as a public institution should — with rigor, dignity, and accountability.
Our Mission
Certify the responsible. Elevate the profession.
Capital Defense Institute exists to provide institutional-grade public-safety training to civilians, security professionals, first responders, and organizations. We hold ourselves to the standards of a national training academy — every course, every instructor, every certificate.
Our Vision
A trained community is a resilient community.
We envision a region — Maryland, Virginia, and DC — in which every workplace, house of worship, school, and household has direct access to elite, ethical protection education. Our curriculum grows as the profession does.
Why Choose CDI
Eight reasons families and departments choose us.
Multi-Jurisdiction
MD, VA, DC coverage in a single program plan.
Instructor-Grade Range
Modern, safety-first shooting facilities.
AHA & DHS Aligned
Certifications recognized across sectors.
Career Progression
Structured tiers, from unarmed to executive protection.
Instructor Development
Grow tomorrow's coaches, from within.
Corporate Partnerships
Custom programs for enterprises and municipalities.
Ethics-First
Every armed program includes law and de-escalation modules.
Verified Documentation
Digital certificates, tamper-evident QR-verified.
Meet the Founder & Instructors
Founder & Chief Instructor
Marcus Reid
Two decades on the range. Marcus founded CDI to bring institutional-grade instruction to the DMV.
NRA CRSOFBI Academy AlumnusUSCCA Instructor
Danielle Hart
Lead Firearms Instructor
James Whitaker
Security Programs Director
Alicia Nguyen
Emergency Medical Lead
Ray Coleman
Tactical & Advanced Firearms
Priya Shah
MEB Live Scan Coordinator