Advisory Board

The Disaster Group values the experiences of our advisory board and as such have selected a diverse group of subject matter experts to assist the Disaster Group management team.
© 2024 Disaster Group, All Rights Reserved.

Sean Duff

Chief Warrant Officer

Warrant Officer Duff enlisted in the Navy on 20 February 1990 in Seattle, WA. He attended basic training at the Recruit Training Command Great Lakes, IL. then received orders for Interior Communication Electrician (IC) “A” School in San Diego, CA. After completing “A” School, he received orders to Explosive Ordnance Disposal (EOD) Dive School in Panama City, FL followed by Explosive Ordnance Disposal (EOD) Basic in Eglin AFB, FL.
Upon graduation he reported to duty at EOD Mobile Unit Nine (EODMU9) in Vallejo, CA where as an EOD Assistant (5331) he completed one PACOM deployment aboard AE-34, USS KISKA and earned Junior Sailor of the Quarter. In 1993, he received orders to Basic Underwater Demolition/SEAL (BUD/S) training in Coronado, CA graduating with Class 192 in April of 1994.
His first Naval Special Warfare assignment was to SEAL Delivery Vehicle Team Two (SDVT2) in September 1994 and served until April 1999, where he earned his Trident. He made deployments in support of EUCOM and CENTCOM commitments to include conducting training and operations in the following locations: Spain, Italy, Germany, France, Gibraltar, United Arab Emirates, and Puerto Rico. By his second deployment, he was designated as Leading Petty Officer (LPO) of the Special Reconnaissance (SR) Platoon as an E-5 and earned Senior Sailor of the Quarter.
In September 1999, he transferred to the Costal Systems Station (CSS), Panama City, FL and as LPO for the Naval Experimental Diving Unit (NEDU), SDV Department, he worked to test and evaluate future SDV technology and implement them into Naval Special Warfare. In 2003, he reported to SEAL Team Three as LPO of Echo Platoon where he made back-to-back deployments to PACOM and then CENTCOM in 2004-2005.
In September 2005 he reported for duty to Support Activity One (SA1), a command that was not yet commissioned, giving him the distinct pleasure of being designated as a Plank Owner. There he deployed five times to the following locations: AFRICOM, CENTCOM and Central Asia. As an E-6, he served as a Cross Functional Troop (CFT) Leading Chief Petty Officer (LCPO). In 2006 he was selected as SEAL Senior Sailor of the Year and in 2007 attended the National Intelligence University at the Defense Intelligence Agency in Washington D.C. earning a Bachelor of Science in Military Intelligence.
On February 1st, 2011 he was commissioned to CWO2 and attended Officer Training School in Newport RI. He then reported back to SA1 for duty as the Force Requirements Officer (N8).
In 2012 he was transferred to SEAL Team Five where he deployed to CENTCOM as the Current Operations Officer, Training Officer, Combat Systems Officer and Special Programs (N3X) Manager.
Lastly, in April 2014, CWO3 Duff reported to the Naval Special Warfare Group One, Training Detachment as Tactical Ground Mobility (TGM) and Maritime Operations (MAROPS) Troop Commander. He was responsible for the day to day management of 5 high risk advanced courses that every SEAL Platoon must attend in ULT (Unilateral Training) in order to deploy.
CWO3 Duff’s personal awards include the Bronze Star Medal (2), Joint Commendation Medal (3), Navy and Marine Corps Commendation Medal (3), Army Commendation Medal, Navy Achievement Medal (4) as well as various campaign and service decorations.
Sean is the proud father of two children, Cullen (12 yrs) and one daughter, Bennett (10 yrs).

Christopher Clark

Lieutenant Colonel US Air Force (ret.)

Experienced, reliable, and resourceful head of site operations, human resources development as well as program management success oversight with 28 years of combined military and contractor expertise. Capable of performing high level negotiations between large government entities while also serving as the governing body over high-value contracts. I bring an innate ability to develop a loyal and cohesive staff dedicated to company goals. Additionally, I have served as a mentor, coach, and trainer to employees to surpass project metrics.

Chris Jackson

Marine Corps

Chris Jackson began his career in the United States Marine Corps, working with LAAD (Low Altitude Air Defense Systems) around the globe. Jackson was Honorably Discharged from the Marine Corps in 1998 as a Sergeant of Marines and quickly transitioned into Law Enforcement.
Jackson began working with the Orlando Police Department in 1999 and spent the next 13 years serving the citizens of Orlando, FL. He spent over a decade with the Orlando SWAT Team. During this time Jackson found his passion for instruction and teaching. He was a certified instructor in several high liability tactics and firearms training through NTOA (National Tactical Officers Association) and FSA (Florida SWAT Association). Jackson retired from the Orlando Police Department and eventually moved into the world of UAS operations.
Jackson obtained his part 107 license and began working commercial data collection using UAS. Jackson soon returned to the classroom as a multi-platform expert, sharing his knowledge as a lead instructor for several UAS manufactures. Jackson used his knowledge and expertise in curriculum development and training to take the lead pilot and trainer position with Pulse Aerospace (Now Aeroviroment), who developed a line of industry leading single rotor UAS platforms. Soon the DoD saw the potential of these platforms and Jackson with his unique background was able to quickly pivot from training commercial operators, to working directly with and training Special Operations within the US Army.
Jackson’s UAS experience continued, taking those DoD contacts and knowledge of UAS platforms with him to a small DoD contractor, specializing in developing detection, identification, tracking, targeting, and engagement systems using AI (Artificial Intelligence), machine learning, and sensor fusion. Jackson was able to take these systems and integrate them onto single rotor and multi-rotor UAS platforms. He then took this armed UAS platform and worked directly with special operations inside the US Army and US Navy, training operators on the system, as well as working to develop mission specific payloads and flight profiles, to assist these units with successful missions in theater.
Jackson is currently employed by AVIAN as a Senior Counter Threat Solutions Analyst, within AVIAN’s CST (Counter Threat Solutions) Division. He also a curriculum developer and lead instructor for NMT’s (New Mexico Tech) DART (Drone Assessment and Response Tactics) courses.

Thomas Switick

Public Safety Professional

As a Public Safety Professional, Tom has been involved in all aspects of the First Responder community. Tom is a retired Police Lieutenant from Medford Township NJ where he served in various capacities including Patrol as an Officer, Corporal and Sergeant. During the majority of his distinguished 25-year career, Tom was assigned to the Traffic Safety Bureau as an Accident Reconstructionist. He also served in various administrative assignments including Support Services where he oversaw the 9-1-1 PASP center, vehicle maintenance, building maintenance and IT to name a few. Tom also served as a Deputy OEM coordinator for several years. As a Police Officer, Tom was deployed to Ground Zero on 9-11 and spent days working alongside the NYPD and FDNY in the search and recovery efforts.
Tom has volunteered his services in both Fire and EMS for over 40 years. First as an EMT in two organizations and then as a firefighter in a combination department. Tom rose through the ranks to attain the position of Deputy Chief which he held for 8 years, giving him a combined 15 years as a Chief Officer and over 25 years in the Officer ranks.

Tom was an owner of a Joint Venture company primarily focused on providing training, consultation and support services to the First Responder community on the hazards associated with S-UAS (Small Unmanned Aerial Systems). He has been recognized as a Subject Matter Expert (SME) in this field and is also an FAA Part 107 Pilot where he currently uses his experience and skills to train First Responders for FEMA.

Tom currently resides in Maryland with his wife of 40 years.

Paige Fitzgerald

Public Safety Specialist

Paige Fitzgerald is the Deputy Director at the Delaware Emergency Management Agency. Ms. Fitzgerald has served DEMA in many capacities since 2015. She began as the Exercise Coordinator for the statewide Training & Exercise program, then worked as a planner and supervisor of the Homeland Security Strategy and Grant Program, the Countering Weapons of Mass Destruction program. Additionally, she has supervised the Mitigation and Recovery planning and grant programs for the State before moving into senior leadership.
As Senior Administrator, she was responsible for Community Outreach programming, School Safety, and other projects in addition to strategic planning. She was the program administrator for the DEMA Drone Squad and Chair of the State of Delaware UAS Training & Certification Steering Committee. Outside of DEMA, she was an Instructor of Homeland and Security and Emergency Management, teaching courses such as Supervision and Leadership in Emergency Management. She also teaches drone pilot certification and public safety counter-drone strategy courses throughout the country. She is a Certified Emergency Manager though the International Association of Emergency Managers and holds a Bachelor of Arts in Political Science and a Master of Science in Disaster Science and Management, both from the University of Delaware.

Brian Hayes

Navy / FBI

Hayes enlisted in the Navy on 12 December 1990 in Panama City, FL. He attended basic training at Recruit Training Command, Orlando, FL, then received orders to Gunner’s Mate “A” School in Chicago, IL where he finished first in his class and was meritoriously promoted to Petty Officer 3rd Class (E-4). SA Hayes received orders to US Navy Dive School in Panama City, FL followed by Explosive Ordnance Disposal (EOD) Basic in Eglin AFB, FL.
Upon graduation he reported to duty at EOD Mobile Unit ONE (EODMU1) in Oahu, HI whereas an EOD Assistant (5331) completed a PACOM deployment aboard LHA-3, USS Belleau Wood. In 1994, he received orders to Naval School EOD Indian Head, MD for EOD Technician training. Upon graduation, he received orders to EODMU2 Little Creek, VA. SA Hayes completed a tour on LHD-3 USS Kearsarge in 1995. In 1996 Hayes was deployed to Naval Support Activity (NSA) Bahrain with the Marine Fleet Antiterrorism Security Team (FAST Company) after the attack on Khobar Towers in Saudi Arabia.
Hayes left active duty on 11 December 1996 and transferred his enlistment to the US Navy Reserves and was assigned to EODMU10. Hayes enrolled at Florida State University to finish his bachelor’s degree in criminology. In July 1998 he was hired by the United States Park Police (USPP) and attended the Federal Law Enforcement Training Center (FLETC) in Glynco, GA. Upon graduation, he was assigned to the National Capital Region, Washington DC.
In September 2001, Hayes was recalled to active duty and was deployed to NSA Bahrain for 6 months. On 03 November 2022 he accepted a position with the Federal Bureau of Investigation (FBI) and attended the FBI Academy in Quantico, VA. Upon completion of the academy, he was assigned to the Violent Crimes Task Force Squad at the Birmingham, AL Field Office. In December 2005 Hayes was transferred to the Washington Field Office in Washington, DC and assigned to the Special Operations Group, that specialize in clandestine vehicular and foot surveillance of foreign nationals and U.S. citizens known or suspected of engaging in espionage or terrorism or criminal activity in the U.S. and elsewhere. In 2007 Hayes was transferred to the National Capital Response Squad and was selected to attend the FBI’s Hazardous Devices School (HDS) in Huntsville, AL. Upon completion, he was designated as a Special Agent Bomb Technician (SABT). Hayes became a member of the FBI’s Adjunct Professor Program and was also assigned as the Rapid Deployment Team (RDT) Coordinator and maintained over a million dollars in inventory and vehicles with over 200 Agents and support staff assigned. The RDT was ready to deploy anywhere in the world to assist other countries impacted by terrorist attacks. In 2009 he deployed to Baghdad, Iraq and was assigned as the FBI SABT to the Combined Explosives Exploitation Cell for 3 months.
In February 2010, Hayes was selected to be the SABT Coordinator for the Little Rock Field Office on the Joint Terrorism Task Force (JTTF). He stood up the Arkansas Render Safe Task Force, which involved all state and local bomb technicians. He was also assigned to be an Assistant WMD Coordinator. In 2011 he was selected to be member of the Evidence Response Team (ERT) and attended the ERT basic training in Fredericksburg, VA. In 2012 he deployed to Djibouti, Africa and was assigned as the FBI SABT to the Army laboratory. The primary mission was to process IED evidence from attacks in Somalia.
In 2013, Hayes was promoted to Supervisory Special Agent (SSA) and assigned to the FBI’s Weapons of Mass Destruction Directorate (WMD-D). Hayes was assigned to the Biological Countermeasures Unit for a short time and then transferred to the Chemical Countermeasures Unit. As a SSA, he liaised with chemical distributors and company owners that dealt with toxic industrial chemicals (TICs) and explosive precursor chemicals (EPCs). Hayes supervised “red cell” training scenarios with members of the National Association of Chemical Distributors (NACD). This offered these distributors the opportunity to evaluate their own security measures to help prevent a theft or an attack. During this time Hayes completed his master’s degree in criminology from Florida State University.
In 2016, Hayes transferred to the Baltimore Field Office/Wilmington Delaware office’s JTTF. Hayes was selected to be an instructor for the FBI’s Underwater Hazardous Device Team (UHDT). He was also assigned as the Delaware, Special Events, Maritime, AWMD and SABT. Hayes was then selected to attend the FBI’s Hazardous Material Training in Fredericksburg, VA and assigned as a member of the ERT/HAZMAT team. Hayes retired from the FBI on 31 December 2018.
In 2020, has began a career as an independent contractor instructing Counterterrorism Courses for the US State Department’s Global Antiterrorism Assistance Program (GATA). He is also an instructor for a Counter Unmanned Arieal Vehicles Course provided through New Mexico Tech to first responders.
When not providing instructional services, Hayes spends 30 plus hours a week volunteering at the University of Pennsylvania’s Veterinary (PennVet) Working Dog Center. Hayes assists the primary law enforcement trainer in preparing K9s for future work in Patrol and scent (Explosives, drugs). He also assists other trainers with K9s that will work in the urban or wilderness search and rescue.

Frederick Klein

Security Specialist

Frederick Klein is a highly experienced security specialist with a distinguished career in law enforcement and federal service. His extensive knowledge of security, investigation, and threat response has made him a recognized expert in the field. Known for his administrative, operational, and field leadership, Frederick has undertaken mission-critical endeavors for government and law enforcement agencies both domestically and abroad, collaborating with global crime-fighting units.

Federal Air Marshal Service (2001-2019):

Frederick served as a Counter Terrorism Federal Agent and Senior Federal Air Marshal within the Department of Homeland Security for nearly two decades. In this role, he conducted operations to assess and eliminate global terrorist threats, collaborating with regional and local law enforcement authorities. His duties included surveillance, documentation of suspects with terrorist ideologies, and threat assessment. Frederick worked closely with the FBI and Joint Terrorism Task Force, tracking funding sources, enemy movements, and deploying teams to intercept potential incidents.
He excelled in multiple roles, serving as a special police force member, team leader, and on special details for domestic and international tactical operations. Frederick’s expertise encompassed threat assessment, response, internal and external investigations, sophisticated surveillance techniques, and safeguarding high-profile professionals.

Other Federal Bureau of Prisons Positions (1990-2001):

Before his service as a Federal Air Marshal, Frederick held positions within the Federal Bureau of Prisons, serving as an Employee Development Manager and Special Operations Team Member. He supervised the training of correctional staff, provided specialized training in firearms, self-defense, and tactical decision-making, and held leadership roles, including Acting Associate Warden.

Special Training and Recognitions:

Frederick’s commitment to excellence is evident in his extensive training, including completion of the Federal Law Enforcement Training Academy and certifications in the Reid Technique of Interviewing and Interrogation, Leadership and Management, Threat, Risk, and Vulnerability Assessment, and more. He holds a TOP SECRET SECURITY CLEARANCE.


– Bachelor’s Degree in Psychology from Wilkes University (1987)

Accomplishments and Awards:

Frederick’s outstanding contributions have been recognized with various awards, including Supervisor of the Month, Correctional Worker of the Year, and Special Act Awards for implementing training programs, identifying, and acting on emergencies during flights, and providing medical aid during a heart attack incident in Spain. Frederick Klein’s wealth of experience, leadership, and commitment to public safety make him a valuable asset in the realm of security and law enforcement.

Gregory Pratt

naval aviator / fbi

Gregory Pratt is a multifaceted professional with a diverse background spanning military, law enforcement, and the burgeoning field of unmanned aerial vehicles (UAVs). Born on [Birthdate], Gregory’s journey has been marked by a commitment to excellence, leadership, and a passion for aviation.


Gregory earned his Bachelor of Business Administration (B.B.A) degree from the University of Texas at Arlington in May 1987.

Military Service:

Gregory began his career in the United States Navy, serving as a Naval Flight Officer from April 1989 to September 1995. In this role, he performed Co-Pilot and Tactical Coordinator duties, eventually achieving the rank of Lieutenant. His responsibilities included supervising aircrew and operating systems in carrier-based S-3B Viking jet aircraft. Gregory’s contributions were recognized with numerous unit and personal awards, including a Navy Achievement Medal. Following his naval service, he transitioned to the United States Marine Corps Reserves, serving as an Air Traffic Controller from 1981 to 1985.

Law Enforcement:

Gregory’s dedication to public service continued with a distinguished career at the Federal Bureau of Investigation (FBI) from February 1998 to December 2019, spanning the entirety of his professional life until his recent transition to the private sector. Over the years, he served in various capacities, including roles in the Domestic Terrorism Squad of the San Antonio FBI Joint Terrorism Task Force, Training and National Academy Coordinator, and Public Corruption, Civil Rights, and Government Fraud investigator. His versatile skill set extended to collateral duties such as Airport Liaison Agent, Surveillance Pilot, Campus Liaison Coordinator, Active Shooter Coordinator, Crisis Management Coordinator, Evidence Response Team Leader, Crisis Negotiator, and Adjunct Faculty Certified.

Professional Licensing:

Gregory holds a Private Pilot’s License and an FAA Part 107 UAV/UAS (Drone) License, reflecting his commitment to maintaining the highest standards in both traditional and emerging aviation fields.

Entrepreneurship and Education:

In January 2020, Gregory took on the role of President at DroneStar, LLC, where he operates and owns a Drone Service Provider company specializing in aerial photography, videography, mapping, modeling, and inspection services. Simultaneously, he serves as an Instructor at DARTdrones, Austin Community College Public Safety Training Center, and Steel City Drones & Flight Academy, imparting his knowledge on Basic Drone Flight Maneuvers, Search and Rescue Operations, Confined Space Operations, and FAA Part 107 Remote (Drone) Pilot Certificate Exam Preparation.
Gregory’s commitment to excellence and wealth of experience makes him a valuable asset in both the rapidly evolving drone industry and the broader fields of aviation and public safety. As the Texas representative for Advexure Unmanned Systems and Solutions since April 2023, he continues to contribute to client relations and training, showcasing his ability to adapt and excel in various professional domains.

Russell Baker


Russell Baker graduated with a B.A. from the University of Texas, a master’s from American Military University, and a Jurisprudence Doctorate from the University of Texas School of Law. He became a Special Agent with the Federal Bureau of Investigation (FBI) in 1987. In addition to investigative duties, he served as a SWAT operator and a Special Agent Bomb Technician. Mr. Baker was certified by the FBI as a Master Instructor and as a Weapons of Mass Destruction expert. He retired from the FBI in 2021. Mr. Baker currently works as a senior instructor for Avian teaching courses on countering uncrewed aerial systems.

Andrew Lewis


Seasoned public servant and dedicated professional who has dedicated nearly four decades of his life to ensuring the safety and security of the Las Vegas community. Born with a commitment to service, Andrew embarked on his career journey in September 1984 when he joined the Las Vegas Fire & Rescue and promoted to the rank of Lieutenant in the Arson/Bomb Squad.
Throughout his illustrious career, Andrew has played pivotal roles, including Fire Investigator, Bomb Tech, EVOC Instructor, Fireworks Operator, and EDD K9 Instructor. His impact extends beyond traditional roles, as he spearheaded the development of the Drone Program for the Las Vegas Fire & Rescue Arson/Bomb Squad, showcasing a forward-thinking approach to technology in public safety.
In addition to his role as Lieutenant Arson/Bomb Squad, Andrew served as a Paramedic for Las Vegas Fire & Rescue for an impressive 15 years. This dual expertise in both fire and emergency medical services reflects Andrew’s commitment to comprehensive public safety. His versatility is further highlighted by his role as an instructor at the University of Nevada, Las Vegas (UNLV), where he shared his extensive knowledge on building hardening strategies.
Andrew’s proficiency in analyzing administrative and organizational challenges has been a hallmark of his leadership. He consistently provided insightful recommendations, ensuring the delivery of high-quality work with minimal damage while meeting established productivity goals. His effective communication skills and dedication to customer service have further strengthened community relations. Over the years, Andrew has demonstrated a commitment to continuous learning and professional development through an impressive array of certifications. From completing the FBI Hazard Device School to being certified as a CPR Instructor, Firearms Instructor, and Observer/Controller for RAVENS Challenge, Andrew’s expertise is comprehensive and diverse.
His certifications also include Hazardous Materials Technician, FBI Large Vehicle Bomb Post Blast Class, Advanced Explosive Demolition Tactics Class, and various FEMA courses such as Emergency Response to Terrorism and Incident Command System (ICS) training. Andrew’s dedication to staying at the forefront of his field is evident through his completion of courses like Interview and Interrogation and Armor for Glock and Springfield.
Andrew’s commitment to public safety is further underscored by his role as a Nevada POST Peace Officer CAT 1 and a Fire Instructor I. His understanding of proper evidence collection and preservation methods has been a crucial asset in his various roles. In addition to his technical skills, Andrew is known for his discretion and ability to handle situations decisively, tactfully, and respectfully. He has prioritized and assigned emergency calls for services, interrogated suspects, interviewed victims, complainants, and witnesses, and prepared cases for court presentation, testifying as a witness when called upon.
Whether operating vehicles under routine or emergency conditions or applying appropriate safety precautions in hazardous situations, Andrew has consistently demonstrated his dedication to public safety. His unwavering commitment, leadership, and expertise make him an integral and respected member of the Las Vegas Fire & Rescue, leaving an indelible mark on the community he serves.

Bradford Shattuck

Navy Veteran / cia

Twenty-Year Retired U.S. Navy Veteran of Exceptional Service

Military Profession Emphasis:

Bradford L. Shattuck’s illustrious career spans two decades of unwavering commitment and distinguished service in the United States Navy. Throughout his tenure, he emerged as a key figure in various combatant campaigns, providing leadership to Special Operators and cross-functional teams. Bradford’s influence reverberates through significant contributions to operational readiness, training, and procedures. His leadership facilitated the successful execution of over two hundred operations and thousands of Unmanned Aerial Vehicle (UAV) flights, resulting in an extraordinary increase in enterprise-wide operational efficiency.
Leveraging his extensive experience in intelligence, strategic planning, and special operations, Bradford seamlessly transitioned to an eight-year tenure with the CIA. He actively participated in and facilitated clandestine paramilitary operations, utilizing cutting-edge intelligence technologies and techniques to optimize operational efficacy. His role in advancing national security objectives underscored his adaptability and continued commitment to excellence.
Bradford L. Shattuck’s career trajectory is marked by resilience and success in diverse and demanding positions. Whether engaging in paramilitary operations to enhance national security objectives or optimizing the performance of unmanned aerial vehicles (UAVs), he consistently demonstrates a capacity to adapt, innovate, and uphold stringent standards of excellence. The military and intelligence legacies that Bradford has left behind are a testament to his enduring leadership and unwavering commitment to service. His impact continues to resonate, shaping the standards of excellence for future generations in the military and intelligence communities.

Nigel Dessau

CEO Bravas

Over his 30-year career, Nigel has worked at almost every level of marketing in companies big and small. Prior to BRAVAS, Nigel was President and Chief Marketing Officer of a healthcare startup Wellsmith and has been CMO at Stratus Technologies, Advanced Micro Devices and StorageTek. Nigel started work for IBM first in the UK and the USA.