Team Artemis

Artemis Office Administrator Angelica M

Angelica M.

Human Resources Assistsant & Group Events Coordinator

An eclectic background of experience… Dynamic educator with a Professional Clear Single Subject Teaching Credential focused in Social Sciences. Experienced Sales Associate at Harley Davidson with outstanding Customer Service, and doTERRA Wellness Advocate with a passion for sharing natural ways to a healthy lifestyle. 


Colin T.


Colin began as a student by enrolling in ADI’s Pistol Series about two years ago to become more acquainted with firearms. Susan Huang, a beloved ADI Instructor and long-time family friend of Colin, pointed him in the direction of Artemis for a job opportunity.

Artemis CCW/Use of Force, Marksmanship Instructor Corey P

Corey P.

Operations Lead & Instructor

Corey was born at Saddleback Memorial Hospital to two Marines stationed at El Toro Air Station, and he continued the family tradition and joined the USMC. His goals at ADI are “to continue to provide our students with the best possible training and challenge myself to also remain a student of others; just because it’s different, doesn’t mean it’s wrong.”

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Debbie K.


Richly diverse is a phrase that comes to mind when describing Debbie Kayoda, and we’ve been lucky to have her on the team since May of 2020. Her goals at ADI are “to continue developing my self-defense/firearms skills and knowledge so I can relay them to students… to do my part to make Artemis a friendly and rewarding place to be. “

Artemis CCW/Use of Force Instructor Dominic

Dominic 'Monty' M.

ADI Instructor, Operator, & CA Law Enforcement Officer

Dominic Montalbano, AKA “Monty”, first met Sandy and Steven several years ago when their daughter, Chaney, was an Explorer for the Orange County Sheriff’s Department; Monty was the master of ceremonies for her Explorer banquet. Fast forward a few years and Monty and Sandy reconnected. The rest is history!

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Erick L.


Erick was born and raised in Southern California. HIs favorite place to be is at the beach, “I’ve always loved being in the ocean.” Erick’s favorite hobbies are hiking and creating art. Apart from Artemis, he currently also works at Starbuck’s and before that he worked in Logistics for two years as a Semi-Truck Fleet Manager

Firearms Instructor

Ivan S.

Primary Marksmanship Instructor

More coming soon!

Artemis CCW/Use of Force, Marksmanship Instructor JJ



More coming soon!

Artemis CCW/Use of Force, Marksmanship Instructor Johnny V

John V.

Operations & Lead Supervising Firearms & Tactics Instructor

John Vredenburgh has been serving his country and community for the better half of his adult life. In February 2016 John was hired as a Firearms and Tactics Instructor with the Artemis Defense Institute where he has been ever since. He works closely with our  team to ensure the best quality of training is being provided.

Artemis CCW/Use of Force, Marksmanship Instructor Jordan L

Jordan L.


Jordan just transitioned out of the United States Marine Corps, where he served seven years as a Scout Sniper and Machine Gunner. He is in New Mexico right now fighting woodland fires. He is doing well and says hello to everyone. Stay safe, Jordan!


Katherine T.


Katherine shares that she has a strong desire to meet new people and try to help them as much as she can. What a fantastic quality for the newest front desk assistant! She also has an interest in self-defense & believes everyone can benefit from learning more. “Working here at Artemis helps me incorporate both of these interests and develop them both into one enjoyable activity,” 

General Manager

Kavon H.

Orion Developer & General Manager

Kavon became a member of Team Artemis in 2013 and has been an integral and contributing facet of the growth within Artemis Defense Institute. His dedication and innovation have been dynamic contributions to the breadth of possibilities with the future of ADI.


Kyle G.


Kyle has been a member of the team from the early days of Artemis, and is, in fact the longest standing employee we currently have. He believes it is imperative to develop each client’s skills to make sure they have the tools necessary to be safe and competent, and guide them to be the best shooter they could possibly be. Graduating with a BA in Criminal Justice from Cal State Fullerton, Kyle is now also a certified NRA Pistol Instructor and Range Safety Officer. 

Artemis Office Admin Landa J

Landa J.

ADI Office Assistant & Membership Coordinator

In her pursuit to learn about guns, she came to Artemis looking for a women’s shooting group and attended Ladies’ Night about two years ago. She loves meeting and getting to know members who share her passion for the 2nd Amendment, and especially loves watching them grow in their firearm safety and confidence.

Artemis Marksmanship Instructor/Operator LeoJ

Leo J.


Meet ADI’s secret instructor… His “official” position here at Artemis is Operator, but Leo Jeong is qualified and valued as one of our key instructors. Leo was a client before we snagged him as a team member. He formally joined Team Artemis in 2018 and has been a “quiet” force here ever since.

Artemis CCW/Use of Force, Marksmanship Instructor Sandy L

Sandy L.

Owner & Co-Founder

More coming soon!

Artemis CCW/Use of Force, Marksmanship Instructor Scott Grecco

Scott G.


More coming soon!

CCW/Use of Force Artemis Instructor Susan H

Susan H.


She may be small, but she is MIGHTY! Since joining Team Artemis in 2018, Susan
Huang has been a valued coach and team member. She thrives on sharing her firearm enthusiasm with others. Susan explains, “Knowledge is power, and I think people who are afraid of shooting should at least try it once with a knowledgeable and experienced instructor.

Artemis CCW/Use of Force, Marksmanship Attorney and Instructor Steven L

Steven L.

Owner & Co-Founder

Steven Lieberman Esq. is a Captain in the California State Military Reserve and a use of force attorney working with law enforcement and legally armed civilians in protocols, training, as well as civil and criminal culpability compliance issues.  His knowledge of use of force protocols, as well as the institutional workings of law enforcement, provides clients with the necessary tools to avoid criminal prosecution, and mitigate civil liability.

Artemis Marksmanship System Operator Thomas V

Thomas V.


Thomas initially joined the team because he wanted to get back in touch with the part of himself that grew up with firearms. He also thought it would be great to work with his dad; John Vredenburgh, our Lead Firearm Instructor and Director of Operations, is Thomas’s dad.

    Staff Photo Missing

    Not pictured

    David S.
    John K.
    Kristi E.
    Lori K.
    Randall B.
    Renee B.
    Ryan K.
    Steve M.
    Sydney J.
    Taylor H.
    Wendy F.

    Artemis Defense Institute Standard Logo

    Want to join the team?

    We’re always looking for new talent. Check out our Careers Page to see what opportunities are available!