Professor Roger Santos
Born in Rio de Janeiro, Brazil, Professor Roger started training Jiu-Jitsu at the age of 7 years old. He is our Black Belt Head Instructor here at Gracie Barra Orlando, and he is in charge of our training curriculum.
Professor Roger started teaching kids and white belts at age 17 when he earned his blue belt. After achieving the rank of Black Belt, he began to teach full-time and has over 13 years of experience teaching both kids and adults at every level. His patience and passion for martial art, has driven him to teach students to be the best they can be at Gracie Barra Orlando.
When he is not training or teaching Jiu-Jitsu, Professor Roger enjoys spending time with his family, friends, and dogs.
Professor Kevin Martincowski
Born in Richmond, Virginia, Professor Kevin began training Brazilian Jiu-Jitsu (BJJ) in 2010 in Orlando, FL. He is an active competitor and medalist in some of BJJ’s most prestigious tournaments.
Teaching jiu-jitsu has been his passion ever since he started. Professor Kevin began teaching kids as a blue belt in 2014, and as he progressed, he obtained experience teaching adults. He enjoys helping people of all ages and sizes achieve their goals.
When he is not training or competing, Professor Kevin enjoys playing video games or studying jiu-jitsu techniques.
Brown Belt Brazilian Jiu-Jitsu
Black Belt 1st Degree Taekwondo
Born in Thailand, Jerry Xayavong started training Jiu-Jitsu in 2014. He is a purple belt one stripe and as Program Director, he is tasked to manage the academy and relationships with students and parents. Before training exclusively BJJ, he earned his black belt in Taekwondo and also practiced Capoeira. In 2020, he competed in the IBJJF Pan American Jiujitsu Championship where he won gold! He also competed in IBJJF World Master and won gold!
His favorite thing to do is to train and share Jiu-Jitsu all day. But in his spare time, he likes to spend time with family and friends, read, play chess, and plant trees.
Born in Brazil, Giovanna Silva started training Jiu-Jitsu in July 2020. She has been working out regularly for over 6 years including Muay Thai Training and weight lifting. However, once she discovered not just how much fun training jiu-jitsu is, but how effective it is for self-defense, she decided to focus mainly on training jiu-jitsu!
As a mom of two and a full schedule, Giovanna makes time to train regularly and helps out as Program Coordinator at Gracie Barra Orlando!
Her favorite things to do when not training, are spending time and traveling with her family.
Front Desk Admin
White Belt Brazilian Jiu-Jitsu
Black Belt Karate-Do
Born in Maracaibo, Venezuela. Valeria has trained karate since the age of nine and she earned her black belt at the age of eighteen, following in the footsteps of both her father and grandfather. After practicing and exploring other martial arts such as Taekwondo and Wrestling, she is now focusing solely on Jiu-Jitsu. Her Jiu-Jitsu journey began in August 2020 after she moved to Orlando, Florida, she is currently a two-stripe White Belt and is now part of the team as a front desk admin at Gracie Barra Orlando.
She is studying Architecture, and her favorite things to do aside from training Jiu-Jitsu are painting, traveling, exercising, and spending quality time with friends and family.
Social Media Manager
Born in Mexico City, Zabdiel has had a passion for photography, graphics, and social media from an early age. As a Social Media Manager, he creates and monitors all of Gracie Barra Orlando’s online content and presence.
His favorite thing to do is to be creative. He enjoys spending time with family and friends, also playing drums and piano.
Gracie Barra is one of the most trusted names in martial arts around the World. Our values, commitment to excellence, and dedication to Jiu-Jitsu have set us apart as a leader in the Orlando martial arts community.