About Us

Instructors

David Harr - Owner/Striking Coach

David has been training in martial arts and combat sports for over a decade and actively competed in Muay Thai and kickboxing for 5 of those years with mixed results. Recently, he restarted his journey in BJJ under Keith Neff and actively competing. He has been involved in sports/strength and conditioning since he was a teenager. As much as he enjoyed competing, he really found success in coaching. Spending several years traveling from coast to coast and training with some of the best gyms in the US, his passion grew in helping improve the lives of those around him. He has always had a hard-working, “no quit” mentality in and out of the ring and thrives in building confidence. He is also a PA licensed matchmaker for USKA, arranging bouts in Muay Thai, kickboxing, and most recently MMA. The majority of his success in this sport has come as a coach, helping athletes find success by improving their overall mindset.

Keith Neff - Head BJJ Instructor

Keith started Brazilian Jiu-Jitsu training in 1999 under Royler Gracie-David Adiv Black Belt Rosendo Diaz. Keith has been teaching BJJ classes since 2003 and helped bring BJJ to Berks County and the surrounding areas. In October of 2009, Keith received his Black Belt from Royler Gracie, David Adiv and Rosendo Diaz. Keith has a specific passion for helping new students understand BJJ on a conceptual level thereby allowing one to quickly gain grappling proficiency.

Errol “Junior” Washington - Boxing/Kickboxing Coach

Junior has over 40 years experience in martial arts, training both professional boxers and kickboxers. For 30 years, he ran and operated his own academy but closed due to covid. He has high level knowledge in martial arts/strength and conditioning and continues to assist athletes compete, finding success in their sport.

More bio coming soon…

Additional Instructors

Dan Inch - Striking Coach

Danie Inch started his Muay Thai journey in November of 2014 under Kru Eric Karner and Kru “Bazooka” Joe Stripling (Chok Dee Athletics), at Nak Muay Gym, PA - Camp Sityodtong. Coach Dan was brought up under the Muay Thai style of Sityodtong Boxing and has now been training Muay thai for over a decade. Coach Dan had his first few fight(s) in 2016 at the WKA tournament and from there became an active fighter until the Pandemic hit in 2019. During this time, Coach Dan became the head striking and Thai Boxing/clinch coach at Algeo MMA (Under Bill Algeo), before moving on and growing a successful striking program of his own at High Voltage Gym. Coach Dan has traveled across the country gaining experience and learning from many Muay Thai practitioner’s such as Arjan “Master Bob” Karmel, Nick “The Golden Boy” Chasteen, Damion “The Predator” Early, and Coach Mike Burke (The Institute Muay Thai). Coach Dan is and will always be a student of the game, a true Nak Muay.

Eli Mendez - MMA Coach

Eli has been training in combat sports (MMA, boxing, kickboxing, jiu-jitsu and Muay Thai) for 16 years. He competed as a pro boxer and an amateur MMA XFE champion at 125 lbs.

Alaina “Queen” Dutill - Cardio/Kickboxing Coach

Alaina has been training in martial arts since she was seven years old. She is a 2nd degree black belt in karate, the Cage Wars straw weight MMA Champ and the 2023 WKA National 115 lb K-1 Champ. She is a purple belt in BJJ, and has also been training in MMA for five years. She is an active fighter that has competed in MMA , Muay Thai, kickboxing, and numerous BJJ tournaments. Alaina is a full time Registered Nurse and former soldier of the Army National Guard.

Alex Gregro - Kickboxing Coach

Tom Andrews - Muay Thai Coach

Thomas has competed and coached in a numerous amounts of sports in his lifetime. Most recently before finding his passion for Muay Thai, he took won the NXL D3 Series title. He coached and played in that organization for several year’s. Thomas has since then trained, coached and cornered Muay Thai avidly. Immersing himself in the culture and heritage of Thailand's national sport and way of life. 

Dylan DeLay - BJJ Coach

Dylan is a bjj brown belt and also assists with our mma program and fighters. He has been involved in combat sports for over a decade. He has competed in bjj and continues to train with high level athletes at his home gym, Berks County BJJ.