SBG Idaho offers world class martial arts instruction across numerous disciplines with over 80 years combined experience! All of our coaches have passed the SBG Coaches Course certification in order to bring you the best possible training experience.

SBG began over twenty years ago, when its founder, Matt Thornton, opened the first location in Portland Oregon. His goal was to create a university of fighting, where the truth of what does and does not work could be explored – an academy where ‘best practices’ could develop – where form would follow function. Our coaches strive to follow this dream. We welcome you to come join the SBG Idaho Tribe and experience it for yourself!



[Brazilian Jiu-Jitsu / MMA]

Scott has over 24 years of amateur wrestling experience. In high school, Scott was a 3x Idaho State High School Runner-Up for Borah High School in Boise, ID, and was a High School All-American. Upon graduation, Scott attended Boise State University on a wrestling scholarship. Following his collegiate wrestling career, Scott entered the United States Army where he became an Army Ranger, serving a tour of duty in Afghanistan and another in Iraq. While in the military, Scott discovered Brazilian Jiu-Jitsu and quickly developed a passion for it. Scott now has over 10 years of Brazilian Jiu-Jitsu experience and was awarded his black belt by SBG President, Matt Thornton, in 2016. Scott has the distinction of being the first black belt at SBG Idaho. Scott is also a professional Mixed Martial Artist, sporting a professional record of 11-6, with 5 wins by submission and 2 by T(KO).

Jesse Brock

[Muay Thai / Wrestling / MMA / Brazilian Jiu-Jitsu / Fight Fit]

Jesse Brock started wrestling at the age of 8. As a youth, he won numerous state wrestling championships. Jesse continued wrestling into high school and was a 2X Alaska State High School wrestling champion. He was also a 2X Cadet National Greco-Roman All-American and a Cadet National Freestyle Runner-Up. Following his successful high school wrestling career, Brock accepted a scholarship to Boise State University where he became a 2x PAC-10 Conference Champion, 1x PAC-10 Conference Runner-up, 3x NCAA National Championships Qualifier. After college Brock attempted to break into the Olympic wrestling circuit before discovering Mixed Martial Arts. Brock now trains solely for MMA where he is the current Sportfight and Front Street Fights Bantamweight Champion and has compiled a 23-9 professional and 1-0 amateur MMA record. He is currently a Black Belt in Brazilian Jiu-Jitsu under SBG President, Matt Thornton.


[Brazilian Jiu-Jitsu ]

My Jiu-Jitsu journey started at Xtreme Couture in Vancouver, WA in 2007. Walking into that gym was both terrifying and exciting. Out of shape and never having played sports, I wanted to quit 10 minutes into my first class. Feeling that I had made a terrible mistake and was ready to walk off the mat, I was given a promise from my instructor “come in every day for 30 days and you’ll never quit”. It made me angry, so angry, that I showed up to every class just to show him that I didn’t want this and that I wasn’t going to renew my contract. After a few weeks my anger faded, the workouts got easier, and 30 days later I signed a 1-year contract. The next few years would be spent rolling 7 days a week gi and no-gi, wrestling, going from 290lbs to 220lbs, and competing around the northwest with my first coach and BJJ black belt Chris Dealy.

No matter how small or weak you think you are, you can train Jiu-Jitsu with consistency and patience.

Paul Sharp

[Brazilian Jiu-Jitsu / Judo]

Paul began training in Brazilian Jiu-Jitsu in the ’90s and received his black belt on March 25, 2015. He has been recognized as an instructor in the Filipino Martial Arts and Jeet Kune Do Concepts. Paul has been coaching and training folks from all over the world since 1999 as a member of SBG International, the Shivworks Collective, and as a staff instructor at The Site Firearms and Tactics Training Center. Paul has had the opportunity to compete in MMA, Boxing, Kickboxing, Judo, and Wrestling. These competitive experiences as well as real-life experiences have informed how and what he coaches. To learn more about Paul’s training routines follow him on Instagram at @paul_sharp_sbg


[Brazilian Jiu-Jitsu / Kids Brazilian Jiu-Jitsu]

Ryan didn’t intend to redirect his future when he went to check out a Brazilian Jiu Jitsu class with a friend who was writing an article on the subject. But he was compelled by the intelligence and grace of the sport, and returned to train again the following day. That was in 2007, under black belt Jon Friedland in Ryan’s home state of Wisconsin. Ever since then Ryan has been an avid student and competitor in BJJ, and describes it as one of the most valuable aspects of his life. Ryan currently hold the rank of Black Belt in Brazilian Jiu-Jitsu, which was awarded to him by SBG President, Matt Thornton in 2018. Ryan has spent many years touring as a musician, which has allowed him to gather Jiu Jitsu knowledge from training partners in different states, countries, and continents.


[Boxing / Brazilian Jiu-Jitsu]

Freddy Arteaga graduated from Minico High School where he wrestled for 3 years. Following graduation from high school, he joined the United States Marine Corp, where he completed a successful tour of duty in Iraq. The USMC is where Freddy started his combat training. Freddy was an Armed Forces Pankration Invitational Runner-Up. His MMA record is currently 7-7 (professional) and 7-3 (amateur), with 3 sub 10-second knockout victories to his credit. Freddy also currently holds the rank of Black Belt in Brazilian Jiu-Jitsu, which he was awarded by SBG President, Matt Thornton in 2018.


[Judo / Brazilian Jiu-Jitsu]

Mike Getchell began learning Judo in 1996 in Cairo, Egypt under Dutch Sensei Linda Criens. After 2 years with the Cairo American College Judo Club Mike moved to Reno, Nevada where he practiced briefly with the UNR Judo Team before heading to Boise, Idaho. Immediately finding a home with the Boise State Judo Club, Mike trained extensively with Sensei Mike Daglin and earned his brown belt in 2002. After taking some time off when Mr. Daglin moved out of state, Mike rejoined the Boise State Judo Club, where he continues his training under Senseis Pete and Mike Campbell. Mike also currently holds the rank of Brown Belt in Brazilian Jiu-Jitsu.


[Kids MMA / Kids Brazilian Jiu-Jitsu]

A Minico High School graduate, Veta began her martial arts training in 2008 and fell in love with the training. She began competing in grappling competition, winning titles in the Northwest Submission Challenge and earning medals in NAGA Utah and Grappler’s Quest. Veta is currently under contract with Bellator and is a former flyweight title challenger. She holds a professional MMA record of 6-4 and an amateur record of 4-1. Veta currently holds the rank of brown belt in BJJ. Outside of the gym, Veta is a student at Boise State as well as the College of Western Idaho and full-time employee of the Head Start Administration in Boise. The younger sister of three older brothers (her older brother, Freddy Arteaga, is also a trainer), Veta is very much a “typical” girl, who loves to shop and dress up for nights out with her friends. She is a very outgoing person, who loves to spend time with her family and those that have a positive influence on her life.


[Brazilian Jiu-Jitsu]

In need of a competitive outlet, Stephanie Hernandez began training boxing and Muay Thai at SBG Idaho in 2009 at the age of 16. Three years later she began training Brazilian Jiu-Jitsu under Coach Bill Pate. In 2013 Stephanie made her mixed martial arts debut. Since that time Stephanie has become a professional mixed martial artist with a record of 1-1, and received her Brown Belt in BJJ in 2020. Stephanie finds happiness in helping others along their martial arts journey. In her spare time she enjoys baking, art, and training her dog, Lock.

Tim Wanless

[Muay Thai]

Tim developed a passion for martial arts when he was first introduced to Muay Thai in 2011 while studying abroad in Thailand under Ajarn Falun. Later he trained Krav Maga and Judo in the US and Israel and continued to train other martial arts while travelling and working around the world. He later trained Muay Thai under Kru Thep and Kru Nam in Bangkok. He received his blue belt in BJJ from SBG in 2021. He continues to be an active competitor in kickboxing, Muay Thai, and BJJ and hopes to better himself and others through the pursuit of martial arts. Tim loves talking about martial arts…probably too much. When not training, Tim enjoys travelling, learning new languages, playing chess, writing, and economics.


[Kids MMA / Kids Brazilian Jiu-Jitsu]

Noah started training at 12 years old, doing the kids Jiu Jitsu and kids MMA classes at SBG Idaho. He moved to Washington when he was 14 and started training at Team Quest for the next two years working his stand up and competing in many Jiu Jitsu tournaments. He moved back to Idaho after two years in Washington and immediately started training at SBG Idaho again. Noah was awarded his blue belt in Jiu Jitsu when he was 16 and received his brown belt in 2021. Noah is a NAGA teen champion, and was awarded fastest tap at the 2014 Oregon Open with a 15 second guillotine choke. He started wrestling in high school, sports an amateur MMA record of 5-4, and an amateur boxing record of 1-0.


[Boxing / Muay Thai]

Born in Nongkhai, Thailand, but raised in Iowa City, IA, Kai began training martial arts at 15 years old after inspiration from an assistant wrestling coach. Coach Schinowski wheeled in a TV after wrestling practice one day to show a video of his recent fight, and immediately Kai was intrigued. He began training shortly after at the famed Militech Fighting Systems gym in Iowa City. After high school, Kai joined the United States Air Force, which afforded him the opportunity to train with people all over the world. After his military service was complete, Kai settled in Boise, Idaho. A veteran of several MMA and kickboxing bouts as well as a purple belt in BJJ, Kai enjoys teaching and passing on his martial arts knowledge because of the confidence it instills. When not training, Kai enjoys fishing and fixing up old cars


[Muay Thai]

I became interested in martial arts at a young age and began training at a Tae Kwon Do Academy when I was five, and again at the age of 10. At the time, the lack of full-contact training kept it from truly capturing my attention. Many years later, I saw Anderson Silva knock out Rich Franklin with a gnarly head kick and it piqued my interest again. In 2010 I began training much more seriously with a group of like-minded friends. I became obsessed with learning all facets of striking and grappling and discovering the best way to connect them together. This naturally led me to SBG Idaho, where the extensiveness of my training deepened even further, and my skills and understanding of self-defense and the sport of MMA grew rapidly. I now hold the rank of blue belt in BJJ from Scott Thometz and assist in teaching the Muay Thai classes. Teaching has been a very rewarding experience for me, as it increases my own knowledge and allows me to help others develop both mentally and physically, gain true confidence in their ability to defend themselves, and live a healthy lifestyle.

Picture of coach Jessica Segali


[Fitness / Strength & Conditioning]

My name is Jessica Segali and I coach Strength & Conditioning at SBG Idaho. Shortly after enrolling my boys in the Growing Gorillas program in 2016, I began training my own fitness journey, training with Coach Holly. In 2018, I began teaching at SBG Idaho myself after receiving my Suples Level 1 Certification and passing the SBG Level 1 Coaches Course. Over time, SBG Idaho has become my comfort zone, where I am surrounded by people who genuinely want to see each other succeed. From children to doctors, to the checker at your local grocery store, we step in the gym label-free and there is a community being built.  That is why I love coaching at SBG Idaho.  I love being a part of something that positively influences others. My fitness journey outside of the gym includes recreational sports like volleyball and hiking outdoors!

SBG Coach picture - Robbie Newman


[Muay Thai]

In learning how to help others, Robbie learned the hard way that it is also important to help one’s self. During graduate coursework in counseling, Robbie took up Muay Thai and has since made it an important point to incorporate its discipline and philosophies into a life practice. In doing so, Robbie has found value in Muay Thai’s teaching of a new level of mindfulness of one’s own body. Robbie’s belief is that a person can incorporate this mindfulness into a new understanding of the person’s sense of self and the world around them. Robbie also tries, (and may or may not be successful) to incorporate humor and admittedly nerdy pop culture references in his explanations of techniques. In addition to coaching and training at SBG Idaho, Robbie also serves as a Licensed Clinical Professional Counselor in multiple locations throughout the Treasure Valley. Robbie often enjoys water and snow sports with other members of the SBG Idaho family. Robbie serves as an advocate for anyone looking for a supportive and safe space to learn and grow with others.  The SBG Idaho Tribe has been an incredibly positive force for Robbie and he strives to pay their support forward.

Chuck Page

[Brazilian Jiu-Jitsu]

Hey guys my name is Chuck Page. I’m an SBG brown belt, jiu jitsu coach, and competition team captain at SBG Idaho. I’ve trained jiu jitsu at SBG Idaho for 8 years and have trained in Muay Thai at SBG Idaho for over 10 years. One of my passions is competing in grappling tournaments. Unless I’m injured, you’ll find me on the mat at every local tournament. My goal is to travel more to compete in bigger tournaments. In 2021 I travelled to Las Vegas to compete against the best brown belts in the world at IBJJF Masters Worlds, less than 2 months after earning my brown belt. Outside the gym I’m a huge book nerd. Like actual books, not this audible stuff. I love going to Barnes and Noble and have spent a small fortune there. I’m a history buff and source of all sorts of useless information. I’m also a firearms collector/enthusiast.


[Brazilian Jiu-Jitsu]

Jill began training in Brazilian Jiu Jitsu in 2016 as a gift to herself for her 40th birthday. She has competed at White and Blue belt levels. As a founding member of the SBG-Idaho Women's Team, Jill works to introduce women and girls to Martial Arts as a volunteer coach for SBG Women's Self-Defense program, and as an assistant coach for SBG-Idaho's 8-week Intro to MMA with a self-defense focus. She is Assistant Coach for Adult Foundations BJJ on Tuesdays & Thursdays at 6pm. Jill serves our nation's Veterans as a Registered Nurse at the Boise VA Medical Center. Her primary nursing focus is primary health promotion and chronic pain management through her certification in Battlefield Acupuncture. In her free time you'll find Jill traveling with her husband around the country assisting with self-defense workshops and premier firearms training events. To learn more about Jill and her journey through chronic health problems, discovering that food is the medicine and fuel, how Jiu Jitsu healed her, and becoming an athlete in her forties, follow her on Instagram at @jill_sharp_2.0

Picture of coach Holly Lewis


[Fitness / Strength & Conditioning]

Bio : Coming Soon

Stephen Stirewalt

Stephen Stirewalt


Stephen began his martial arts journey at the young age of 5, when his parents enrolled him at the Karate Tech school in Ramstein, Germany, as a means of general self defense. Being part of a military family, he never had the chance to stick with any one particular school for long, but continued to train and compete in more traditional forms of martial arts (i.e. Karate, Kajukenbo, etc.) for a good chunk of his young life all over the world! In June 2012, upon graduating high school in Mountain Home, Idaho, and having followed the UFC and the sport of MMA a number of years, decided it was something he wanted to try. After researching gyms in the nearby city of Boise, he decided to begin his MMA journey at Combat Fitness (now known as SBG Idaho)! 5 months later, in November 2012, Stephen had his first Kickboxing bout and won by split decision. He has been hooked ever since! Stephen currently holds the rank of Brown Belt in Jiu-Jitsu, fights professionally in MMA (Pro debut May 2018), and teaches the foundations boxing class in the evenings.

Charyl Rush

[Kids BJJ / Kids MMA]

Bio : Coming Soon

Rebecca Rogers

[Muay Thai / Boxing]

Rebecca Rogers has been training martial arts since 2015. She first started with a cardio kickboxing class that really began to pique her interest in Muay Thai. She found the cardio bag class to be a fun way to work out, however, she soon desired more technical training. This prompted her to reach out to SBG Idaho, where she began training Muay Thai and fell in love with the art. She then began boxing, and is now dedicating a substantial amount of her time to training Brazilian Jiu Jitsu. Rebecca has also recently transitioned into coaching, where she assists Foundations Muay Thai and boxing classes, and has been thoroughly enjoying it. She loves sharing her knowledge with others who bravely choose to step out of their comfort zone and try something new. When Rebecca's not in the gym training, you'll find her in a coffee shop drinking an Americano or at home in her small makeshift studio designing jewelry.

Jo Guinness

[Muay Thai / Boxing]

Born and raised in Columbia, South Carolina, Jo Guinness is no stranger to fighting. A veteran of the underground punk scene and a retired officer in a motorcycle club, violence became routine. After witnessing the murder of his best friend, the stress, frustration, and anger would eventually become crippling. Moving to St Louis shortly after, a change became inevitable and necessary. Jo decided that he needed an outlet and found himself signing up at the local boxing club. While boxing, Jo would also begin training Muay Thai and Brazilian Jiu Jitsu; earning his blue belt from Royler Gracie. After years in Missouri, Jo would relocate to Virginia where he would continue his Muay Thai and Jiu Jitsu training. While training out of The House of Muay Thai in Norfolk, VA and competing in over 20 unsanctioned amateur fights, Jo was booked to compete on a national level in 2020, but COVID-19 cancelled the event. Jo has assisted both as a coach and a training partner in training camps for UFC, Bellator, LFA, IKF, WKA, and Invicta competitors and champions. Jo now finds himself in the Gem State with his wife, Marina and son, Oliver, and is thrilled to show the world that Straight Blast Gym has more than just incredible jiu jitsu.