Meet our Team

The Alpha Defense Group

Is a "Network" of Certified Self Defense Instructors providing training in the Denver Metro Area. 

Gabe has been in the fire service for twenty years. Like many he began as a volunteer and quickly found his calling to serve. Gabe is an NREMT Paramedic for 12 years and has gained his experience working for fire departments. He is currently an active FF/Paramedic, serves as a Swat Medic for his local county SWAT team, and as an instructor for Homeland Security teaching Active Shooter Response.


Gabe's certifications include instructor for CPR, First Aid, Wilderness First Aid, BLS, AMLS ACLS, and a NAEMT Instructor, Defensive Tactics for Law Enforcement Instructor. 

Gabe  has an awesome mini me for a daughter!


Owner & Chief Instructor of the Krav Maga Association | Founder of the United States Martial Arts Hall of Fame

Professor Marty Cale started training in Krav Maga in 1999. In 2001 Professor Marty Cale and his school, Arkansas Martial Arts, was certified by Krav Maga Instructor Rhon Mizrachi to teach Krav Maga.


Marty Cale has since, traveled to Israel numerous times and trained in the Israeli Combat System of Krav Maga with Former Chief Commander Ran Nakash, former Head Instructor Itay Danenberg and the current Chief Commander of the Israeli Defense Forces for Krav Maga, Danny Netzer. Mr. Cale is one of only very few people fortunate enough to train at the IDF Military Training Base. Being a High Level Advanced Instructor in Krav Maga, Mr. Cale has also trained with the Head Instructor Itay Danenberg and Chief Commander Danny Netzer at the National Security Training Academy for Court and Parliment Security Officers, training extensively in Advanced Krav Maga, VIP Protection, Security, Law Enforcement and Counter -Terrorism as taught to Special Forces Military Units, Security and Elite Law Enforcement officers. Professor Cale has received two different Diplomas from Ran Nakash, Danny Netzer and Itay Danenberg, making him one of only two Americans to receive such Diplomas at the time. Marty Cale has been training in Israeli Combat Shooting techniques and Krav Maga since 1999.

In July of 2013, Professor Marty Cale hosted Nakash, Netzer and Dannenberg in the US where they helped him teach a Defensive Tactics Course for Law Enforcement in Phoenix AZ, where he was presented a 3rd Diploma/Certificate in front of 300 people.

Professor Cale wrote the "Official Training Manual" for Krav Maga Tactical Training Options, a Defensive Tactics Program that has been approved in the U.S by most States and Government enties for Law Enforcement standards.

Marty's experience and methods of teaching cutting edge tactics takes his courses to a level rarely seen. His teaching abilities will impress even the most highly skilled as he has taught Military, Law Enforcement, Security Guards, Federal Agents and others Hand to Hand Combat and Firearm Instructors.


Professor Marty Cale has been training and studying the martial arts for 4 decades. He holds numerous Black Belts in various arts including a 10th Degree Black Belt in Kenpo Karate and a 7th Degree Black Belt in Combative JuJitsu. He has been a Certified Instructor in JKD (Bruce Lee’s Art) since 1995 and recently receiving a second Instructor Certification from Grandmaster Richard Bustillo, one of Bruce Lee’s original students. Mr. Cale has been certified as a Defensive Tactics Instructor for Law Enforcement by 3 different organizations.

Professor Marty Cale is President and Chief Director / Instructor of the Krav Maga Association and is in charge of setting up Krav Maga schools as well as Instructor Seminars for Civilians and Law Enforcement around the world. He along with his wife Jenny own and operate Krav Maga Headquarters in Fayetteville Arkansas where they teach Krav Maga.

Marty is dedicated to providing the highest quality professional training available whether for students, potiental Instructors, Instructors, law enforcement agencies or private citizens, large seminars or private lessons, basic or advanced, with an emphasis on friendly hands-on instruction that is simple, effective, affordable, reality-based, motivating, empowering, and most importantly, FUN!


Owner & Certified Lead Instructor of Alpha Defense Group

Matteo holds the honor of being one of the first students to join the Israeli Combat Systems program when it was originally offered here in Denver in 2016. Since then Matteo has continued to expand his knowledge and certifications in self-defense training.

Matteo holds the following Certifications:

- NRA Certified Instructor

- KMA Certified Pistol Instructor

- KMA Certified M16/AR15 Rifle Instructor

- KMA Certified Hand to Hand Instructor

- KMA Certified Associate Instructor - Level 2 Krav Maga
- Certified VIP Bodyguard 

- Certified Critical Trauma

- Certified First-aid, CPR and AED

- Certified Tactical Operation Medic Specialist

- Certified NAEMT-TECC (Tactical Emergency Casualty Care)

Professional Training:

- Active Shooter

- Israeli Combat Pistol

- Israeli Combat Rifle

- Weapons Disarmament

- Tactical Driving & Evasion 


Owner & Certified Lead Instructor of Alpha Defense Group

David joined the Israeli Combat Systems program in its first months and has continued to train under the association ever since. David, along with Boyd Bell, were the first assistant instructors certified by KMA to teach Israeli Combat Pistol classes.

David holds the following Certifications:

- NRA Certified Instructor

- KMA Certified Pistol Instructor

- KMA Certified M16/AR15 Rifle Instructor

- Certified VIP Bodyguard

- Certified Critical Trauma

- Certified First-aid, CPR and AED

- Certified Tactical Operation Medic Specialist

- Certified NAEMT-TECC (Tactical Emergency Casualty Care)

Professional Training:

- Active Shooter

- Israeli Combat Pistol

- Israeli Combat Rifle

- Tactical Driving & Evasion 


Owner of Mid America Safety Services | Council Member - Committee for Tactical Emergency Casualty Care (2019)

Tony has been in emergency medicine for his entire adult life, he jokingly says that "Uncle Sam was the first to teach me to plug holes in people".


Tony has been a NREMT Paramedic for over 20 years, and hold countless instructor certifications in emergency medicine.  Tony has taught and practiced tactical medicine all over the world as a contractor for the Department of Defense, as well as Federal Law Enforcement Agencies.


Tony works as a Personal Protection Specialist, a Dignitary Protection Specialist, he is a Krav Maga Instructor, Israeli Tactical Knife Fighting Instructor, Defensive Tactics Instructor for Law Enforcement, Israeli Combat Shooting Instructor for Rifle and Pistol.  Tony is also a well known and sought after lecturer for conferences all over the US.

For more information visit:


Chief Operations Officer & Lead Instructor of Mid-America Safety Services

Becca's is a CPR, First Aid, Wilderness First Aid Instructor, She is Personal Protection Specialist. a Defensive Tactics Instructor and the Lead Instructor and Author of our Ladies F.I.R.S.T Self-Defense class.  She is a Tactical Emergency Casualty Care Instructor, a Krav Maga Instructor, certified in Israeli Tactical Knife Fighting, Israeli Combat Pistol, Israeli Tactical Rife, and Tactical Shotgun. She is a Master Herbalist and a Wilderness First Aid Instructor.  She is the creator of  our Herbal Remedies 101 and Herbal Remedies 201 class as well as Surviving the Night Class. She is married to Tony, whom she says is the love of her life, and the mother to three amazing daughters.

- Lead Instructor for Dark Horse Krav Maga
- Defensive Tactics Instructor
- Krav Maga Instructor
- Israeli Combat Shooting Instructor
- Executive Protection Specialist
- CPR and First Aid Instructor
- Author of Ladies F.I.R.S.T. Self Defense System
- Master Herbalist, Wilderness First Aid, and Survival Instructor


The objective of our network is to offer a wide range of self defense and medical programs that are safe, easy to learn and adaptive to real world events.

Our team believes highly in working together, by bringing together experts from around the nation to provide quality training. 

​Key Elements:

  • Our programs are meant to be simple and effective.

  • Our programs include hand to hand, weapons and trauma care to ensure complete "defense" and "care".

  • Each student is paired with an instructor to ensure proper form is taught, provide a safe learning environment and to ensure you get full value from your class.

​We provide training for:

  • Civilian self defense

  • Security Teams

  • Place of Worship Security Teams

  • Professional Careers- Certified Courses

  • Law Enforcement, EMS, Fire and Medical - Certified Courses
    (Available POST/CEU Hours for LEO/EMS/Fire)

If you have any questions on a private, group or organizational training sessions, please call us at 720-464-7885



Operations Manager  & Instructor Mid-America Safety Services


Instructor - Mid America Safety Services 

Kevin is a Firefighter/Medic and has been in the service for 18 years now, he has been a paramedic for 10 years. Kevin holds multiple certifications in advanced rescue operations, also is a instructor for Department of Homeland Security in Terrorist Bombings.


Kevin is also attached to his local Sheriff Department SWAT Team as the lead medic and has been involved in tactical medicine for the past 9 years. Kevin’s certifications include instructor for CPR/First Aid, AMLS, BLS, ACLS, PALS, TECC, TCCC and Defensive Tactics for Law Enforcement, he is also a Level 2 Krav Maga practitioner. 

Kevin is Married to his wonderful wife and has a son and a pistol of a daughter.


Certified Lead Instructor - Alpha Defense Group

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Certified Lead Instructor - Alpha Defense Group

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Certified Assistant Instructor - Alpha Defense Group

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Certified Assistant Instructor - Alpha Defense Group

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Instructor - Mid America Safety Services 

Brad has over 20 years of practical, real world experience in the Police, Fire, EMS, and Military Sectors.

Brad currently is employed with the US Dept of Homeland Security as a Federal Police Officer and Paramedic, where he conducts law enforcement operations and security vulnerability assessments for Federal Facilities, while providing medical first response. His prior law enforcement background consists of 15 years of service with the Horn Lake Police Dept where he was a Patrol Supervisor, Tactical Paramedic, and Criminal Investigator. Brad also served as a Patrol Officer with the Whiteville Police Dept for 2 years.

Brad’s EMS and Fire background consists of 20 years of service as a National Registry Paramedic with 911 and private services, most notably with Hardeman County EMS, Southaven Fire Dept, and Desoto County EMS. He currently volunteers his services with the Millersville Fire Dept. Brad also served as an EMS educator with Southwest TN Community College and the Southaven Fire Dept.

Brad currently serves as a Naval Security Forces Chief Petty Officer and Criminal Investigator in the US Navy Reserves.
Brad holds the following certifications

National Association of EMS Educators, NREMT-Paramedic,State of TN-Paramedic, Federal Law Enforcement Commission, TN-POST, MS-POST, BLS/CPR Instructor, ACLS Instructor, PALS Instructor, Medical First Response Instructor, Wilderness First Aid, Basic and Advance First Aid Instructor.

Mailing Address:
10233 South Parker Road

Suite 300

Parker, CO 80134

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Need help?

Call us: 720-464-7885

© 2021 Alpha Defense Group Inc.


Need training outside of Colorado?
Visit  KMA, the largest Krav Maga Association

in the USA, with over 100+ schools.