About us
Train BJJ, Muay Thai, FMA, Kali, and more in Northern Virginia: Build real skills, boost conditioning, and meet great people. 👊
We train at One Spirit Martial Arts (OSMA) in Herndon, VA, and serve students of all ages -- from kids to adults throughout Northern Virginia including Herndon, Reston, Oakton, Vienna, Chantilly, Tysons Corner, McLean, Ashburn and surrounding cities.
Our training includes:
- Brazilian Jiu-Jitsu (BJJ, both Gi and No-Gi) and Submission Grappling including a variety of ground fighting disciplines such as Gracie Jiujitsu, Catch Wrestling, Wrestling, and Judo 🥋
- Muay Thai Kickboxing 🥊
- Filipino Martial Arts (FMA) such as Kali and Arnis 🗡️
Instruction takes place under the lineage of Pedro Sauer, an 8th-degree BJJ black belt recognized worldwide for technical precision and decades of teaching experience.
Whether your goal is self-defense, serious martial arts skills development, or simply training with a high-quality community, this group offers a focused and welcoming place to learn and progress.
This meetup group connects the Northern VA Martial Arts and self-defense community; other events, material, and additional resources are available on the nvma.group website.
Train with us and experience why authentic martial arts remains one of the most challenging and rewarding paths you can pursue. 🥋🔥
Featured event
FREE Jiu-Jitsu For LEOs Seminar in Herndon, VA on March 7th 👮♂️
Join us for a Brazilian Jiu-Jitsu (BJJ) training session designed specifically for law enforcement personnel at One Spirit Martial Arts in Herndon, VA.
This hands-on class focuses on real-world Gracie Jiu-Jitsu techniques for police and law enforcement officers, including positional control, suspect management, and safe restraint tactics that translate directly to duty use.
Whether you’re new to grappling or already training, this two-hour session emphasizes practical, pressure-tested solutions over sport-specific movements.
Train alongside fellow officers in a relaxed, professional environment while sharpening skills that support officer safety, control under stress, and smarter use of force.
Who may attend this event
This event is open to adults (18+).
What to Bring
Bring your duty belt since training will incorporate real equipment.
About Officer David Ortiz
Officer David Ortiz is a former U.S. Army combat veteran and federal police officer with extensive experience teaching Brazilian Jiu-Jitsu (BJJ) and defensive tactics for real-world law enforcement applications.
Instructor Ortiz specializes in pressure-tested control, restraint, and duty-belt-aware techniques, helping officers train safely, effectively, and with direct relevance to the job.
In September of 2025 Mr. Ortiz was promoted to first degree Black Belt in Gracie Jiu-Jitsu by Professor Pedro Sauer.
In addition to his submission grappling background, Mr. Ortiz has also earned a 4th Degree Black Belt in Taekwondo (TKD) as well as a 3rd Degree Black Belt in Hapkido.
Upcoming events
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Morning Muay Thai (Kickboxing) Training in Herndon, VA 🥊
One Spirit Martial Arts, 510 Spring Street, Suite 130, Herndon, VA, USJoin us for Muay Thai kickboxing at OSMA in Herndon, VA: an energetic morning class focused on striking technique, conditioning, and controlled sparring. 🔥
This adult (16+) class combines technical instruction, pad work, partner drills, and cardio training to build real-world skill and endurance in a safe, structured setting.
Beginners and experienced students alike will learn how to apply the principles of Muay Thai: The Art Of Eight Limbs, through precise strikes, timing, and defense.
Classes take place every Saturday at 10:00 AM.
The drop-in fee is $20, payable on-site, and note that we are located in suite #130.
Come train with us and see why so many in Northern Virginia choose One Spirit Martial Arts for top-tier martial-arts instruction.
Frequently Asked Questions (FAQ)
Q: Is this class suitable for someone interested in boxing?
A: Yes! Muay Thai shares many of the same striking fundamentals as boxing, including stance, timing, and defensive movement. Students searching for boxing gyms in Herndon, VA or Northern Virginia train at OSMA to develop solid punching technique along with kicks, knees, and elbows.
2 attendees
Sunday BJJ Open Training at One Spirit in Herndon, VA 🥋
One Spirit Martial Arts, 510 Spring Street, Suite 130, Herndon, VA, USJoin us every Sunday at One Spirit Martial Arts in Herndon, VA for open training in Brazilian Jiu-Jitsu: Research, Review, and Roll! 🥇
This is a student-driven session designed to help you explore what matters most to your BJJ development.
Whether you want to research techniques, review material from the week, or roll with different partners, this open format gives you the flexibility to focus on your own goals.
An instructor will be present to answer questions, offer feedback, and help troubleshoot positions, but the pace and flow of the session are entirely up to you.
You can drill, experiment, or get in some live rounds in a relaxed and supportive environment.
Open training is ideal for students who want to refine their technique, test new ideas, and build confidence through consistent practice.
All skill levels are welcome -- come train, learn, and grow with the Northern Virginia Brazilian Jiu-Jitsu community!
Note: We are located in Suite #130.
The drop-in fee for non-members is $20, payable on-site.
2 attendees
Kids Brazilian Jiu-Jitsu Class at OSMA in Herndon, VA 🥋
One Spirit Martial Arts, 510 Spring Street, Suite 130, Herndon, VA, USThe One Spirit Martial Arts (OSMA) Youth Brazilian Jiu-Jitsu (BJJ) program is designed to help children build confidence, coordination, and practical self-defense skills in a safe, structured, and positive environment.
The drop-in fee for non-members is $30, payable at the door.
This class is for students six to thirteen years of age and runs from 5:15 PM to 6:00 PM, providing a focused, age-appropriate training session that fits well into an after-school routine.
Located in Herndon, VA, OSMA is easily commutable from Oakton, Reston, Sterling, and Great Falls, as well as other nearby Northern Virginia communities.
Parents are welcome to stay and watch -- OSMA has a dedicated seating area where you can comfortably observe your child’s progress during class; parents may also take advantage of the OSMA guest WIFI if they need an Internet connection.
From a parent’s perspective, this class is about more than martial arts: children learn how to move their bodies with purpose, stay calm under pressure, follow instructions, work with others, and build resilience.
Students are taught to apply Gracie Jiu-Jitsu-based self-defense concepts responsibly, with an emphasis on control, safety, and respect.
What children will learn in this after-school program:
- Movement and coordination drills
- Practical self-defense techniques
- Standing takedowns
- Ground techniques and positional awareness
- Position-specific drilling
- Controlled sparring matches (age-appropriate and supervised)
- Games and fun activities to keep kids engaged and motivated
Whether your child is new to martial arts or already active, this program offers a balanced mix of skill development, physical activity, and confidence-building -- all in a supportive environment.
2 attendees
Past events
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