Tony Passos


Tony Passos is one of the few Brazilian Jiu-Jitsu black belts under Ricardo de la Riva. He shares this distinction with such greats as Antonio Rodrigo “Minotauro” Nogueira, Antonio Rogerio Nogueira, and Moacir “Boca” Oliveira. He is currently an IBJJF certified second degree black belt. Tony started training Jiu-Jitsu at 18 years old in Recife, Brazil and began teaching in 2002. He has trained with and learned from world champions such as Andre Galvao, Guto Campos, Claudio Calasans and many others. Tony has won and medaled in many prestigious competitions. While his love for competition is strong, Tony’s true passion lies in teaching and coaching. He has dedicated himself to these two arts since early in his career, focusing on the development of his students on and off the mat. He works closely with all of his students in setting goals, developing personal training plans, competition strategies, scheduling, as well as approaching BJJ from a holistic point of view. Whether you are seeking a professional career in the sport, are a weekend warrior, or are simply looking to try a new hobby, Tony strives to work with you to ensure that your goals and desires are met by his teaching and coaching, and pushes you to maximize your potential. Above all, Tony believes that Jiu-Jitsu allows you to improve yourself through hard work, discipline, and focus. No matter your age, whether you are male or female, strong or weak, Jiu-Jitsu will change your life.



Bob Gibson

Instructor, Brazilian Jiu Jitsu

Bob began training Brazilian Jiu Jitsu in 2004 when he discovered he needed to better his conditioning. He quickly became hooked on the sport and began training anywhere from seven to nine times a week. In October 2011, he received his brown belt from Professor George Wehby and Professor Tony Passos. It was at this point that he began teaching Brazilian Jiu Jitsu. Bob is co-owner of Winchester Jiu Jitsu, LLC and an Occupational Therapist M.S. OTR/L who specializes in working with children with Autism Spectrum Disorder. His favorite aspect of teaching is helping people, especially children, accomplish their goals. He is married with two children, one on the way, and five dogs.


Jeff Buettner

Instructor, Brazilian Jiu Jitsu

Jeff has been training Brazilian Jiu Jitsu since 2008. He began his journey as he was approaching 40 and had a strong desire to get back in shape. He felt jiu jitsu would offer him a competitive outlet that mirrored his high school wrestling days. He soon discovered that not only did jiu jitsu challenge him physically; it proved to be a great mental challenge and the perfect pressure valve to relieve stress. In December of 2014, he received his brown belt from Professor George Wehby and Professor Tony Passos. He has taught the BJJ Fundamentals class since 2013 and has over five years experience coaching various youth sports including football and lacrosse. Jeff is a co-owner of Winchester Jiu Jitsu, LLC, as well as being President of Buettner Tire Distributors. He is a former member of the Winchester City Council. When he's not training jiu jitsu, he enjoys fishing and traveling to exotic locations. Jeff is married and has three children.


Kenny Gaudreau

Instructor, Muay Thai

Kenny “Good2Go” Gaudreau has been a practicing Martial Artist in the Mid-Atlantic for over 12 years. Getting his start with Folk style Wrestling in high school, he slowly grew into a well rounded competitive Mixed Martial Artist and Instructor to many over the next decade. He currently resides in Reston while pursuing his professional career in Mixed Martial Arts. 






Steve Turel

Instructor, MMA

Coach Steve had grown up with an interest in combat sports. In 2005, he decided to turn that interest into action and began training boxing. This opened to door of discovery to Mixed Martial Arts and he has been training ever since. In 2006, Coach Steve made the decision to take his skills into the octagon and had his first amateur fight that same year. After several years as an amateur MMA fighter, Coach Steve decided to dedicate himself to teaching and has been an instructor at MMA Institute since 2010. He received his Black Belt in Combat Core Systems of MMA in 2013 and his purple belt in Brazilian Jiu-Jitsu in 2012. Coach Steve is a firm believer in the positive impact Mixed Martial Arts can have on both children and adults. “Mixed Martial Arts not only gives people technical ability, it also gives them self-confidence, resiliency, mental toughness, self-discipline, and respect for self and others. This then translates from the gym to your life. Mixed Martial Arts can help people lead successful and productive lives.”


Thomas Tantillo

Instructor, Kids MMA and BJJ

Coach Tom began training Brazilizn Jiu Jitsu in 2010 after a friend convinced him to try it out. He became immediately hooked and has been training consistently since that time. In 2012, he received his Blue Belt. In 2015, while pursuing his Bachelor's Degree, he decided to volunteer as an instructor to spend more quality time with his son and enhance his own Jiu Jitsu skills.





Megan Fisher

Instructor, Brazilian Jiu Jitsu

Megan started her Jiu Jitsu journey in November 2012, while living abroad in China, as a way to seek camaraderie in a foreign land. She quickly developed a passion for the sport and competed in multiple tournaments in women's and men's divisions. In October 2013, Megan received her blue belt and started coaching regularly. As co-owner of the gym, she also helped it develop from a club into a successful business. After moving home to America, Megan began training at Winchester Jiu Jitsu in 2016. She is married to a wonderful husband and training partner and is working toward a career in physical therapy.



Amanda Greenacre

Director of Operations and Sales

Amanda started training Brazilian Jiu Jitsu in 2012 while accompanying her husband on his overseas tour of duty. As a military spouse, she found the traditional activities the military provided were just not for her. So she convinced her husband’s Sergeant Major to allow her to participate in the Army Combatives Program. She found the whole experience invigorating and empowering and found a place to train regularly. When she relocated back to the states, her love of jiu jitsu came with her. She trains daily and is the gym’s Director of Operations and Head Sales Representative.