20+ Years of Operational Experience
International Protective Assignments
Certified Tactical & Firearms Instructors
ATS is a Full Service Security, Investigation and Firearms Training Agency. Advanced Tactical Solutions (ATS), was established locally in 2016 after a long and successful tenure in the Middle East, Asia, and Europe. ATS has grown and dedicated itself to providing our clients with honest, truthful, professional, and above all, discretionary private investigative services, executive security & corporate protection, fugitive recovery, and firearms self-defense training. To learn more about us, contact us here.
WHAT WE DO….
Security & Protection
ATS works with clients in need of personal or family protection for security matters, as well as high-value clients, corporate events, or public event protections Including, but not limited to becoming your security partner, by implementing customized protocols and PTA’s (physical threat assessments), for your residence, office, or corporate locations. If your requirements are as simple as a personal weekend getaway or a simple night out, with family and friends, to a long-term security executive protection detail, ATS can provide any level of security for your needs.
Private Investigations
When it comes to private investigations, simply digging up information and tracking people down doesn’t cut it. A lot more goes into being a respected and sought after investigative detective agency. Over the years we’ve handled cases for law firms, private citizens, and major corporations, acquiring the information and needed evidence. Our investigations in specific and personal cases such as inheritance, probate, and civil law have proven very successful in a court of law. From Workers’ Compensation fraud to bail jumpers and fugitive recovery, divorce cases and even internal corporate theft & fraud investigations, we have proven resources, professional investigators, and state-of-the-art resources our clients need.
Firearms Training
Advanced Tactical Solutions (ATS) is a firearms, safety, and self-defense training company dedicated to responsible gun ownership. We help CCW citizens handle their firearms confidently, safely, and effectively. Our programs focus on advanced pistol skills, defensive tactics, and situational awareness, supported by an expanding training complex and modern technology.
ATS offers trusted instruction that builds confidence, improves your abilities, and strengthens defensive readiness—all in a professional, enjoyable learning environment.
Threat Assessment
Workplace violence and active-shooter incidents have increased in recent decades, affecting schools, businesses, places of worship, malls, and other public spaces. These events underscore the need for strong preparedness and clear prevention strategies.
Advanced Tactical Solutions, LLC (ATS) brings global experience in responding to and training for these situations. We provide tailored on-site active-shooter and workplace-violence training to ensure employees and security teams are prepared. Our 4–10 hour program reviews best practices and develops a customized plan and the proper mindset through focused education and hands-on training.
WHO WE ARE
Tom Fiala
Founder & President
PROFESSIONAL AFFILIATIONS:
- International Directors of Law Enforcement Standards & Training.
- International Law Enforcement Educators & Trainers Association.
- International Association of Law Enforcement Firearms Instructors
- Association of Threat Assessment Professionals.
- International Security Training Institute.
- Association of Fugitive Recovery Agents.
- Former ASIS Chapter Officer.
CURRENT LICENSES & CERTIFICATIONS HELD:
- Georgia State Board Private Detective and Security Officer License: PDSG044705
- Georgia State Board Private Investigation and Security Agency License: PDSC001752
- Georgia State Board Firearms Instructor – Classroom and Firearms License: CFTR001486
- Law Enforcement Handgun & Shotgun Self-Defense Certified Instructor: NRA225400441
- National Law Enforcement Firearm Certification: NRA225400441
- Home Firearm Safety Consultant Certified Trainer: NRA225400441
- Personal Protection In The Home Certified Trainer: NRA225400441
- WMD/Terrorism Awareness for Emergency Responders (Texas A&M)
- Close Protection Operations Training Officer (ISTI)
PROFESSIONAL EXPERIENCE SUMMARY:
- Global Security Terrorism Advisor
- Counterterrorism Specialist
- Executive Protection Security Consultant
- Foreign Government Diplomatic Security Agent
- Foreign Government Security Strategist
- Foreign Government Op-Sec Investigator
- Counterintelligence Op-Sec Investigator
- High-Risk Security Protection Envoy
- Overseas Security Combat Operator
- Private Detective Investigator
- Chief Firearms Defense Instructor
- TECC: Tactical Emergency Casualty Care
Tom Fiala is the founder and president of Advanced Tactical Solutions (ATS). With decades of experience in protective services, investigations, and firearms training, Tom has built ATS around one core idea: real-world skills that keep people safe.
His background includes high-risk security operations, executive and corporate protection, and complex investigative work for both private clients and organizations. Tom has worked with business owners, law enforcement, and private citizens who need trustworthy instruction and clear, practical guidance.
As a firearms and defensive tactics instructor, Tom is known for his calm, direct teaching style and his focus on mindset, safety, and decision-making under stress. Whether he’s training a corporate team, a church security group, or a first-time firearm owner, the goal is always the same: knowledge, skill, and confidence without the ego.
Under Tom’s leadership, ATS has grown into a full-service security, investigation, and training agency serving clients across North Georgia and beyond. Every program reflects his commitment to integrity, professionalism, and preparing people for the real world—not the classroom version of it.
ATS Key Personnel
Alexandria “Alex” Fiala
Director of Operations
Security Agent
Alex serves as the Director of Operations for ATS, where she directs the agency’s daily administrative, logistical, and operational functions. A Georgia State Board–licensed armed security officer, Alex also brings a strong and trusted female presence to executive protection assignments, making her a dual asset in both leadership and field operations.
With a proven background in managing corporate structures across multiple industries, Alex combines business acumen with a steadfast commitment to integrity and professional standards. She has a track record of streamlining security operations, strengthening compliance, and creating scalable systems that enhance both client trust and staff performance. Her ability to align operational precision with ethical leadership ensures ATS delivers not only effective protection, but also reliability and confidence to every client.
• State Board Licensed Armed Security Officer
* Personal Executive Protection Security Agent
• Georgia State Certified Fugitive Recovery Agent
• Trained Basic First Responder First Aid Trauma/CPR/AED
Lawson Harkins
Risk and Security Manager
Investigator / Security Agent
Lawson serves as the Risk and Security Manager for ATS, where he leads threat assessments, protective operations, and client risk management strategies. Licensed by the Georgia State Board as both an armed security officer and private detective, Lawson is dedicated to ensuring officer integrity, accountability, and adherence to the highest professional standards.
His duties also include compliance with ATS’s rank structure, oversight of security strategies, and direct accountability to both clients and management.
With a background in executive protection and business management, Lawson brings a balance of field expertise and organizational leadership. His focus on risk security, compliance, and personnel standards strengthens ATS’s ability to deliver reliable, ethical, and professional security services to every client.
• State Board Licensed Private Detective
* State Board Licensed Armed Security Officer
* Personal Executive Protection Security Agent
• Trained Basic First Responder First Aid Trauma/CPR/AED
Mike Renner
Security Agent / Investigator /
Senior Firearms Instructor
Mike is ATS’s Senior Firearms Instructor and a Georgia State Board–Licensed Private Detective, bringing a wealth of elite military training and civilian security expertise to the agency.
A veteran of Golf Company, 2/2 U.S. Marines, Mike served as a Rifle Expert and Scout Sniper with STA Platoon, earning recognition through the Marine Corps High Rifle Marksmanship Award. His military career also included advanced training at the Jungle Operations Training Center (Panama) and Mountain Warfare School (Korea), where he excelled in some of the toughest environments Marines face.
Transitioning to civilian service, Mike has established himself as a trusted leader in security and firearms instruction.
With his unique blend of combat-tested discipline, instructional expertise, and investigative skills, Mike elevates ATS’s training programs and operational capabilities, ensuring that every client and officer benefits from his high standards of precision, safety, and integrity.
He currently serves ATS as:
*Lead Senior Firearms Instructor & Range Safety Officer
*Georgia State Board–Licensed Private Detective
*Georgia State Board–Licensed Armed Agent
*Certified Firearms Instructor
Personal Protection & Executive Security Agent
*Veteran competitive shooter in IPSC, IDPA, USPSA, and Steel Challenge pistol competitions
Greg Engler
Security Agent / Investigator /
Lead Firearms Instructor
Greg serves as ATS’s Lead Firearms Instructor and a licensed Private Detective, bringing both investigative expertise and advanced tactical training to the agency.
A lifelong student of firearms, Greg transformed his passion into a calling rooted in faith, family, and a deep conviction that protecting others is an act of love.
Guided by the verse, “Blessed be the LORD my strength, which teacheth my hands to war, and my fingers to fight,” Greg approaches every assignment with integrity, discipline, and purpose.
Greg’s unique blend of faith, professional licensing, and tactical mastery makes him a trusted mentor to ATS officers, clients, and community partners alike.
He currently brings a wealth of credentials and leadership experience to ATS, including:
*Georgia State Board–Licensed Private Detective
*Georgia State Board–Licensed Armed Agent
*Security Director for Houses of Worship
*Certified Firearms Instructor
*Range Safety Officer
*Active Attack Integrated Response Trainer (AAIR)
*Civilian Response to Active Shooter Events (CRASE) Instructor
Tony Green
Security Agent / Defense Instructor
Hand to Hand Combat
Tony is an accomplished armed security agent and ATS’s Lead Instructor for Self-Defense, Hand-to-Hand Combat, and Weapons Engagement.
A multifaceted combat sports athlete, Tony has built an impressive career across boxing, kickboxing, mixed martial arts (MMA), and Brazilian Jiu-Jitsu (BJJ), where he has been recognized for both his striking power and his technical grappling ability.
In 2022, Tony earned an IBJJF Jiu-Jitsu Gold Medal, a prestigious milestone that underscores his mastery in one of the most demanding martial arts disciplines. As a current BJJ Brown Belt, he continues to train and refine his skills, combining discipline, resilience, and precision into his instruction.
Today, Tony applies his unique skillset to the security profession as a Georgia State Board–Licensed Armed Security Specialist and Executive Protection Agent.
His blend of combat-tested athletic achievement and professional security training makes him a cornerstone of ATS’s tactical readiness, instilling confidence and capability in both clients and personnel.
Mike Renner
Security Agent / Investigator /
Senior Firearms Instructor
Mike is ATS’s Senior Firearms Instructor and a Georgia State Board–Licensed Private Detective, bringing a wealth of elite military training and civilian security expertise to the agency.
A veteran of Golf Company, 2/2 U.S. Marines, Mike served as a Rifle Expert and Scout Sniper with STA Platoon, earning recognition through the Marine Corps High Rifle Marksmanship Award. His military career also included advanced training at the Jungle Operations Training Center (Panama) and Mountain Warfare School (Korea), where he excelled in some of the toughest environments Marines face.
Transitioning to civilian service, Mike has established himself as a trusted leader in security and firearms instruction.
With his unique blend of combat-tested discipline, instructional expertise, and investigative skills, Mike elevates ATS’s training programs and operational capabilities, ensuring that every client and officer benefits from his high standards of precision, safety, and integrity.
He currently serves ATS as:
*Lead Senior Firearms Instructor & Range Safety Officer
*Georgia State Board–Licensed Private Detective
*Georgia State Board–Licensed Armed Agent
*Certified Firearms Instructor
Personal Protection & Executive Security Agent
*Veteran competitive shooter in IPSC, IDPA, USPSA, and Steel Challenge pistol competitions
Greg Engler
Security Agent / Investigator /
Lead Firearms Instructor
Greg serves as ATS’s Lead Firearms Instructor and a licensed Private Detective, bringing both investigative expertise and advanced tactical training to the agency.
A lifelong student of firearms, Greg transformed his passion into a calling rooted in faith, family, and a deep conviction that protecting others is an act of love.
Guided by the verse, “Blessed be the LORD my strength, which teacheth my hands to war, and my fingers to fight,” Greg approaches every assignment with integrity, discipline, and purpose.
Greg’s unique blend of faith, professional licensing, and tactical mastery makes him a trusted mentor to ATS officers, clients, and community partners alike.
He currently brings a wealth of credentials and leadership experience to ATS, including:
*Georgia State Board–Licensed Private Detective
*Georgia State Board–Licensed Armed Agent
*Security Director for Houses of Worship
*Certified Firearms Instructor
*Range Safety Officer
*Active Attack Integrated Response Trainer (AAIR)
*Civilian Response to Active Shooter Events (CRASE) Instructor
Tony Green
Security Agent / Defense Instructor
Hand to Hand Combat
Tony is an accomplished armed security agent and ATS’s Lead Instructor for Self-Defense, Hand-to-Hand Combat, and Weapons Engagement.
A multifaceted combat sports athlete, Tony has built an impressive career across boxing, kickboxing, mixed martial arts (MMA), and Brazilian Jiu-Jitsu (BJJ), where he has been recognized for both his striking power and his technical grappling ability.
In 2022, Tony earned an IBJJF Jiu-Jitsu Gold Medal, a prestigious milestone that underscores his mastery in one of the most demanding martial arts disciplines. As a current BJJ Brown Belt, he continues to train and refine his skills, combining discipline, resilience, and precision into his instruction.
Today, Tony applies his unique skillset to the security profession as a Georgia State Board–Licensed Armed Security Specialist and Executive Protection Agent.
His blend of combat-tested athletic achievement and professional security training makes him a cornerstone of ATS’s tactical readiness, instilling confidence and capability in both clients and personnel.