
About us
Train BJJ, Muay Thai, FMA, Kali, and more in Northern Virginia: Build real skills, boost conditioning, and meet great people. ๐
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 ๐ฅ
- Muay Thai Kickboxing ๐ฅ
- Filipino Martial Arts (FMA) such as Kali and Arnis ๐ก๏ธ
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. ๐ฅ๐ฅ
Featured event

FREE Jiu-Jitsu For LEOs Seminar in Herndon, VA on March 7th ๐ฎโโ๏ธ
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 youโre 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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Sunday BJJ Open Training at One Spirit in Herndon, VA ๐ฅ
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! ๐ฅ
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 ๐ฅ
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 childโs progress during class; parents may also take advantage of the OSMA guest WIFI if they need an Internet connection.
From a parentโs 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
Evening Brazilian Jiu-Jitsu Gi Training in Herndon, VA ๐ฅ
One Spirit Martial Arts, 510 Spring Street, Suite 130, Herndon, VA, USBeginner-friendly evening Brazilian Jiu-Jitsu (BJJ) class at OSMA in Herndon, VA: Learn escapes, submissions, and live strategy with expert instruction. ๐ฅ
No experience is required -- new students and first-timers are genuinely welcome.
Classes focus on practical, real-world fundamentals taught in a safe, technical, and highly supportive environment.
Youโll learn how to escape common holds, apply effective submissions, and understand live positional strategy -- the same leverage-based system used in modern BJJ and Mixed Martial Arts (MMA), adapted for everyday people.
This gi class takes place every Monday and Wednesday and includes one hour of guided instruction followed by one hour of optional open training (live rounds, drilling, review, and research).
Gis are available if you need one.
Drop-in fee for non-members is $20 and can be paid on-site.
We are located in Suite #130 -- let us know when you arrive and weโll take care of the rest.
1 attendee
Kali and FMA training at OSMA in Herndon, VA โ๏ธ
One Spirit Martial Arts, 510 Spring Street, Suite 130, Herndon, VA, USLearn Kali at OSMA in Herndon, VA: a beginner-friendly Filipino Martial Arts (FMA) class that builds coordination, timing, and confidence. ๐ฅ
Experience FMA training through partner drills, movement flow, and practical self-defense applications.
In this session youโll:
- Train classic FMA weapon systems such as rattan sticks, training knives, and empty-hand applications of Kali and Arnis.
- Develop coordination, timing, range awareness and reflexes through practical drills drawn from Filipino Martial Arts traditions.
- Improve your conditioning, speed, and agility: FMAโs weapon-based flow patterns and hand-to-hand transitions push both mind and body.
Join a supportive community of martial arts enthusiasts in Northern Virginia -- whether you're new to weapons training or experienced, this class is designed to challenge and reward.
This class is open to all levels and emphasizes safety, precision, and continuous learning.
Whether youโre looking to explore Filipino Martial Arts (FMA) for self-defense, coordination training, weapons fluency, or simply finding a unique, dynamic workout in Herndon, VA -- this is your class.
๐ Come build real skills, boost conditioning, and train with great people -- join us today and explore the flow and discipline of Filipino Martial Arts!
The drop-in fee for non-members is $20, payable on-site.
We are located in Suite #130 โ let us know when you arrive and weโll take care of the rest.
2 attendees
Past events
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