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 Karmazin

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.

Seamus Ryan-Johnson

US Army Military Intelligence Officer. Georgetown Master of Security Studies. NCUO Intern 2020.

Alexander John Boosalis

US Army 75th Ranger Veteran. Georgetown Master of Security Candidate. NCUO Intern 2021.

Max Cheng

US Army Infantry Officer. BA Chinese Language/Literature. Masters in Security Studies. NCUO Intern 2022.

Ben Phocas

US Army Cadet. United States Military Academy at Westpoint & MWI Urban Warfare Project. NCUO Intern 2023.

Trent Clark

U.S. Army SOF communicator Cybersecurity Operational Advisor. MSG (Retired). Asymmetric Warfare Group (AWG) tactical communicator and Cyber advisor. Private sector cybersecurity experience. Bachelors in Information Systems & Cybersecurity. 20+ Years Service.

Rob Mitchell

US Army Explosive Ordnance Officer and Joint Civil/Military Operations Officer. COL (Retired). Defense Support to Civil Authorities (DSCA) and NORTHCOM experience. US Army War College. 30+ Years Service.

Paula Carlson

NYC Emergency Management (retired). Emergency preparedness, response, and recovery in NYC. Master Exercise Practitioner. Specialized in transportation, utilities, infrastructure, and Emergency Operations Center management. 21 years service.

Mia Rooker

US Army Military Intelligence Officer. University of Central Florida Bachelor’s in Interdisciplinary Studies. NCUO Intern 2025

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© COPYRIGHT 2024 NATIONAL CENTER FOR URBAN OPERATIONS

© COPYRIGHT 2024 NATIONAL CENTER

FOR URBAN OPERATIONS