Our instructors are the best around—based on their skills, coaching abilities, attitude towards the sport, and genuine loyalty to their athletes. Impact is unique in many ways, but what we are most proud of is our staff.
Our coaching staff consists of more than 10 instructors, all bringing their own unique style and skill set to each class they teach.
Michael Chapman
Michael Chapman
Beaverton, Newberg, Tualatinmichael@impactjj.com
Michael’s training in traditional martial arts began in 1984. In 1991, he began studying “Shooto” or Shoot Fighting in Japan, which sparked his interest in Brazilian Jiu Jitsu. After returning to Oregon, Michael’s pursuit of Jiu Jitsu only grew as did his desire to grow the sport. In 1998, he opened Impact Jiu Jitsu (known as SBG Beaverton until August 2006). Michael received his black belt in Brazilian Jiu Jitsu from Chris Hauter in the Spring of 2004.
Matt Leech
Matt Leech
Newbergmatt@impactjj.com
Matt began formal training in Brazilian Jiu Jitsu, Bruce Lee’s Jeet Kune Do Concepts, and Muay Thai in 1998 with NW Martial Arts in Eugene, OR. Matt and his family moved to Portland in 2000 and began his training at Impact Jiu Jitsu in 2003. Matt received his brown belt in Brazilian Jiu Jitsu in December of 2009.
Dewey Nielsen
Dewey Nielsen
Newbergdewey@impactjj.com
Dewey is a respected strength coach in Oregon. He has been in the business for 10 years while only being 28 years old. His love and passion for strength and conditioning sets him apart from many in the industry, which mirrors results in the success of his clients. Dewey has worked with everyone from the general public to high level athletes. He also coaches mixed martial arts and Brazilian Jiu Jitsu and is a brown belt in BJJ.
Keisuke Andrew
Keisuke Andrew
Beavertonkeisuke@impactjj.com
Keisuke started training in BJJ and MMA at Impact in 2001. In MMA competition, Keisuke has amassed a record of 5-0 in amateur competition and is a two-time FCFF lightweight champion. Keisuke has also competed professionally with a record of 3-0. Keisuke enjoys coaching MMA, BJJ, and also actively competes in BJJ. It is Keisuke’s goal in class to create a positive environment that is fun, challenging, and educational for the students.
Armand Debruge
Armand Debruge
Beavertonarmand@impactjj.com
Armand started training in Brazilian Jiu Jitsu in 2000 after having been exposed to submission grappling in Pittsburgh, PA. After a couple years of “part-time” training he dove into the sport whole-heartedly. Armand came to Impact Jiu Jitsu in 2003 for the first time and was immediately drawn to the atmosphere of camaraderie, learning, and intensity that he found there. He has been coaching at Impact Jiu Jitsu since 2004.
Mike Amador
Mike Amador
BeavertonMike began training mixed martial arts and Brazilian Jiu Jitsu at Impact in 2003. Mike’s philosophy: “I learn as much if not more from my students as they learn from me. My philosophy is for both student and coach to improve and evolve as grapplers and humans.”
Joshua Arentz
Joshua Arentz
BeavertonJosh Arentz was introduced to Impact in June of 2005. After two or three months of MMA he started BJJ and was hooked after his first class! Josh earned his Blue Belt on May 17, 2007. He has a passion for coaching and mentoring others. Josh’s philosophy is, “We all grow together,” meaning that sharing knowledge in the gym drives us to push each other – a fundamental requirement for progressing in the sport of Jiu Jitsu.
Jeremy Carver
Jeremy Carver
BeavertonJeremy started his martial arts training through the Army in 2002 and received his Army Combatives Instructor certification in 2007. He is the current Oregon National Guard Combatives cruiserweight champion. Jeremy won first place in the 2008 Sub League qualifier and third place in the Sub League championship. He received his blue belt in Brazilian Jiu Jitsu in 2009. Jeremy began coaching Impact Jiu Jitsu’s youth program in January 2009.
“Work Hard, Play Hard.”
Sean Duffy
Sean Duffy
BeavertonSean was introduced to Brazilian Jiu Jitsu in 2001 while watching the movie “Choke”, a documentary about Rickson Gracie. He signed up the following term for a Jiu Jitsu class at the University of Oregon. Sean was also introduced to boxing and Jeet Kune Do concepts that year as well as Filipino Kali. After graduating from U of O in late 2003, he began training full-time at Impact Jiu Jitsu.
Todd Huegli
Todd Huegli
BeavertonLike all kids of the 80s, Todd spent a few years training in Karate and Boxing. He became interested in Brazilian Jiu Jitsu after watching Royce Gracie in 1993. Following the sport for years, he finally landed at Impact Jiu Jitsu in 2007. Todd believes Brazilian Jiu Jitsu offers people a great outlet to exercise, socialize, and improve self-confidence.
Rick Janosek
Rick Janosek
Beaverton & NewbergRick has been passionate about fitness since the first time he touched a barbell at the age of 15. Since then he has dedicated his time, energy, and education into becoming one of the most promising young strength coaches around. Rick naturally upholds the Impact Performance Training standard of always staying current with cutting edge strength and conditioning methods.
Eric Loar
Eric Loar
Beavertoneric@impactjj.com
Eric began training at Impact Jiu Jitsu in 2005 as a Blue Belt from Pedro Sauer.
Philosophy: “To be healthy, happy, and headed in a positive direction,” in life and Jiu Jitsu.
Shaun Ryan
Shaun Ryan
Newberg & TualatinShaun began training in Judo in 2002. He then gravitated towards Brazilian Jiu Jitsu in 2004. It wasn’t until stumbling upon Impact Jiu Jitsu that his eyes were opened to the depth of BJJ and also MMA. He has been training GI, No-GI, and MMA with Impact Jiu Jitsu since 2006 and currently holds a blue belt in BJJ. Outside of Impact, Shaun works as a Strength and Conditioning Coach / Personal Trainer.
“A true champion trains when no-one is looking.”
Brian Walsh
Brian Walsh
BeavertonBrian began training in traditional martial arts in 1999. He started actively training in Brazilian Jiu Jitsu, Bruce Lee’s Jeet Kune Do Concepts, and Muay Thai in 2000. Brian moved up to Portland four years later and has been training at Impact ever since. He is an instructor in Jun Fan Kickboxing and Filipino Kali under Dan Inosanto and received his brown belt in Brazilian Jiu Jitsu in the winter of 2009.
Chris Williams
Chris Williams
Newberg & TualatinIn late 2002 Chris came to Impact Jiu Jitsu looking to learn a martial art that was fun, effective, and challenging. After a few months of MMA classes Chris jumped into a BJJ class, and from that day forward he was a “jits” guy. Chris was promoted to Purple Belt in October 2007 by Michael Chapman. His proudest achievement was in winning the 2009 Sub League advanced 209 lb. division.
Andrew Wong
Andrew Wong
Beaverton & Newbergandy@impactjj.com
Andrew started his journey with Brazilian Jiu Jitsu in 2000 at various friends’ garages. In 2004 he began training at Impact Jiu Jitsu. In 2005 he was promoted to blue belt and in 2007 to purple belt. He has been coaching and competing since shortly after he started training. He likes to pull guard and sweep people.
Free One-Week Trial
The best way to learn about our different programs is to come in and take a look around, meet our coaches, and try a class or two. We offer a free one-week trial to anyone interested in learning more about Impact Jiu Jitsu and the programs we offer.