Urban Security Practitioners

The Dense Urban & Subterranean Cell (DUSC) is a cadre of current and veteran urban security practitioners who have demonstrated their deep understanding of the complex challenges of the dense urban environment through their professions.

Members are selected for inclusion in the DUSC by NCUO leadership based on their experience and performance. Each plays a continuing role supporting conceptual, educational, training, and material solution development.

Urban Security Practitioners

The Dense Urban & Subterranean Cell (DUSC) is a cadre of current and veteran urban security practitioners who have demonstrated their deep understanding of the complex challenges of the dense urban environment through their professions.

Members are selected for inclusion in the DUSC by NCUO leadership based on their experience and performance. Each plays a continuing role supporting conceptual, educational, training, and material solution development.

MG(R) Bob Karamazin

US Army Special Forces Major General (Retired). NJ State Police Senior Officer. 30+ Years Service.

BG(R) Chris Stockel

US Army Civil Affairs Brigadier General (Retired). 30+ years of military service.

Heino Klink

US Army Foreign Affairs Officer. Colonel (Retired). Former Deputy Assistant Secretary of Defense for East Asia. 30+ years of military service.

Salvator D’Agostino

Fire Department of New York Firefighter (Retired). World Trade Center Collapse Survivor. 20+ Years Service.

William “Billy” Carlson

Former NYPD. New York City Fire Department Firefighter (Retired).World Trade Center Rescue & Recovery. 20+ Years Service.

Brendan O’Connor

US Army Special Forces Medic & Asymmetric Warfare Sergeant Major (Retired). 40+ Years Service.

John Bivona

26-year FBI focused on organized crime and terrorism. Former FBI Legal Attaché in the Balkans and Baltics. Retired USAR Colonel. 35+ Years Service.

Dan Colomb

NYC Civil Support Team 24 Weapons of Mass Destruction Response. Engineer Officer 20+ Years Service.

Sean Lucas

NYC Civil Support Team 24 Weapons of Mass Destruction Response. Infantry Officer 15+ Years Service.

Robert Hansen

NYC 42nd Combat Aviation Brigade. Chief Warrant Officer. Aviator. 20+ Years Service.

Caleb Dexter

Army Asymmetric Warfare & Military Intelligence Officer. NCUO Non-Resident Fellow, Japan. 15+ Years Service.

Art Mogil

New York City Police Department Counterterrorism Lieutenant (Retired). Special Forces Engineer. 25+ Years Service.

John Pappas

NYPD Transit Bureau K9 Commander- Lieutenant (Retired). 29+ years of Policing experience.

Brady Moore

US Army Special Forces Officer. Sensors & Smart Cities Subject Matter Expert. 15+ Years Service.

Josh Auerbach

Innovation Officer with the 75th Innovation Command’s New York City team. Previous Active-Duty Infantry Officer/ 75th Ranger Regiment. 10+ Years Service

Andrew Seligson

Subject Matter Expert in offensive and defensive cyber operations, AI/ML engineering, quantum computing, cloud computing, hardware/software integration, and DevSecOps. National Security Innovation Network (NSIN) and Defense Innovation Unit (DIU) alum.