management team

SPECIAL TACTICAL SERVICES has been providing products and services to a variety of government agencies and defense contractors since 2000.

Management Team

STS Management has diverse professional backgrounds and extensive experience managing large-scale projects involving major organizations. Their responsibilities include planning, control, sales, marketing, construction, and property management. These individuals hold numerous professional licenses, degrees, designations and awards, extensive military and/or law enforcement experience, and provide complimentary skills that significantly enhance the well integrated management structure of STS. Some of these qualifications include: Naval Special Warfare SEAL and Combatant Craft Crewmen, Naval Expeditionary Warfare Specialist, Marine Corps Scout Snipers and Machinegun Team Leaders, Coast Guard Law Enforcement Detachments, law enforcement special operations officers, and other professional high value protective security detail operators.

At STS, exceptional personnel are the basis of our success in delivering effective training programs and security services. Our staff is handpicked from an intense vetting process that reviews their abilities, character, integrity, experience, expertise, and credibility. They are skilled, demonstrate superior judgment, and are subject matter experts in their areas of operation.

STS has enjoyed sustained growth since Special Tactical Services, LLC was founded in 2000. Like most successful businesses, managing growth is intrinsic to our company culture.


Dale McClellan, President and Chief Executive Officer, STSUS NAVY SEALS

Mr. McClellan, a combat veteran graduated from Basic Underwater Demolition SEAL Training in 1991 and while serving at SEAL Team Eight he was deployed to various locations around the globe including Mogadishu, Somalia in 1993. Trained as a Machine Gunner, Point Man, Sniper and Scout Sniper Instructor, and was directly responsible for the management of an entire SEAL Team weapons and demolition department coordinating the global movement of hazardous materials and millions of dollars of weapons systems and related equipment in support of military operations. He finished his military career as an Assault Cell Instructor training SEAL Team members for combat operations.

He was appointed by former Governor of Virginia, James S. Gilmore, III to the Hazardous Materials Emergency Response Advisory Council.

The Machine Gun Division of STS was created by Mr. McClellan and has been instrumental in providing the United States Navy services in the development and delivery of modern programs for crew-served weapons. These programs have been conducted for the US Navy Embarked Security Teams and the Navy High Value Asset Escorts Units under military contract.

After 9/11 and the subsequent operational and training events that followed, Mr. McClellan then conducting several security assessments and by request of the Navy developed the now patented STS design for up-armored security shield emplacements for entry control points and shipboard machine gun emplacements, replacing dated equipment across the globe.

Since 2009, Mr. McClellan and STS have provided Armed Security Teams aboard U.S and Non U.S. flagged vessels transiting High Risk Waters (HRW), to counter the worldwide threat of piracy on the high seas and to protect commercial shipping interests. Under Dale’s leadership, STS Armed Security Teams have successfully completed hundreds of high risk transits through pirate infested waters without injury, loss or unfavorable publicity.


Mark Pierson, Executive Vice President, STSUS ARMY

Has an extensive, 20 year background in systems maintenance, manufacturing and weapons technologies research and development that spans multiple disciplines and industries. Mark is prior service Army (Mechanized Infantry), possesses a FAA Airframe and Powerplant License and is a certified HAZMAT Technician and Structural Firefighter.

His early career began as an Aviation Safety Inspector for DynAir Technical Services (DynCorp). He then went to work for the Engineering Research and Development Group of Garrett AiResearch (now Honeywell Engines), as a test technician and later a Production Engineer.

After Honeywell, Mark became the Manager for Engineering Test and Product Development for the M2 Corporation, where he managed live fire testing, mechanical instrumentation and dynamic data acquisition for various electro-optical systems manufacturers such as BAE Systems, Hughes Electronics, Texas Instruments, Litton EOS, and Raytheon Systems. For the past 12 years, Mark has been conducting live fire testing on electro-optical systems (IR and I2) going as far back as TWS Omni and the beginning of Land Warrior. He also managed the Phase-I ballistics research and metrics for the U.S Army/ARDEC 40mm Grenade improvement program, under subcontract to the Primex Corporation.

Mark went on to Bigelow Aerospace, as the Manager for Spacecraft Assembly, Test and Integration. Primarily responsible for the development and testing of ballistic protection systems to defend spacecraft against hypervelocity impacts, as well as the integration of mechanical and electronic subsystems for spacecraft command and control.

Throughout his years in the ordnance and aerospace sectors, Mark maintained a close working relationship with STS and served as a technical consultant and subject matter expert for weapons technologies since 2001. The dynamic scope and growth of STS operations has brought Mark on-board full time, where his extensive background in systems manufacturing, testing and technologies is utilized to sustain our leading edge in weapons expertise and testing.


Curtis DeBord, Vice President- Manufacturing Solutions, STS

Curtis has 26 years’ experience in the small arms manufacturing industry. Nine years of which were setting up and maintaining large scale mil-spec firearms production lines during his years as founder and President of US Ordnance, Inc. Successfully completing many US Government First Article Tests, Curtis developed a wealth of real world experience in manufacturing, quality control, production, non-destructive testing and vender inspection and manufacturing assessments.

Curtis was instrumental in the design, development and technical success of the M60E4/Mk43 program that has served the U.S and its’ allies in the defense of freedom across the globe. Curtis also specializes in small arms design, prototyping, reliability and design enhancements, rebuilds, refurbishments, configuration changes, and optics and accessory integration.

While focusing primarily on NATO small arms systems, Curtis has manufactured many Eastern Bloc and Western European weapons for use in U.S. Foreign Weapons Training courses and is an expert in threat weapons identification, functionality and capabilities. Curtis also has extensive experience in international defense commerce and understands the practical aspects of meeting with, communicating and working closely with local military personnel to assess, evaluate, test, repair and sustain all commonly used small arms weapons systems found throughout the world today.


Bill Witherspoon, Vice President- Business Development [USMC EG&A] USMC

Gunnery Sergeant William Hamilton Witherspoon, USMC/Ret enlisted on 22 December 1985 and attended recruit training at Marine Corps Recruit Depot, Parris Island, South Carolina in June 1986. Upon graduating from basic training as the Platoon Honor Graduate at Parris Island, PFC Witherspoon was meritoriously promoted to Lance Corporal. After completing training at The School of Infantry at Camp Geiger, he was assigned to 2nd Battalion 4th Marine Division aboard Camp Lejuene Marine Corps Base, North Carolina. He served in Fox Company as an infantry rifleman and fire team leader. In 1988 he was promoted to Corporal. After numerous field training operations and overseas deployments, in 1989 Corporal Witherspoon was ordered to The Basic School on Marine Corps Base Quantico, Virginia. He served as a squad leader in the Enlisted Instructor Company.

In 1990, Corporal Witherspoon was selected from amongst his peers to be the only enlisted instructor to join the Officer’s Instructional Group of The Basic School, serving in a Captain’s billet. Corporal Witherspoon was assigned to the machine guns section of the Officer’s Instructional Group. When not instructing one of five machine gun classes, he was in the field teaching Small Unit Infantry Tactics. After demonstrating extraordinary leadership and instructional abilities, Corporal Witherspoon was meritoriously promoted to Sergeant in 1991.

On February 16, 2002, Staff Sergeant Witherspoon returned to Marine Corps Base Quantico, Virginia. He was assigned to Weapons Training Battalion, Marksmanship Program Management Section, where he served as one of the single points of contact on all Marksmanship matters for the United States Marine Corps and made significant contributions training Marines heading to Operation Desert Storm, Operation Iraqi Freedom and Military Personal Security Detachments. On November 1, 2002, Staff Sergeant Witherspoon was promoted to Gunnery Sergeant.

While serving as the Staff Non-Commissioned Officer in charge, GySgt Witherspoon took part in the rewriting of the Marine Corps Marksmanship Order, by providing technical and tactical expertise during the development phases of all the current course of fire for the Marine Corps. GySgt Witherspoon personally compiled marksmanship briefings for field grade officers as needed. He served as the subject matter expert for all Marksmanship issues with outside agencies seeking advice from the United States Marine Corps. GySgt Witherspoon retired from the Marine Corps on April 1, 2006.

US Navy Seals SDVOSB