HEAD INSTRUCTOR

Ryan Gruhn

Ryan is a veteran competitor, has over 30 fights and is a multiple time black belt champion.  He is a 3° brazilian jiu-jitsu black belt, Ajarn/Black Arm Band in muay thai and Full Dog Brother/Guro in Dog Brothers.  Ryan is also an instructor in Catch Wrestling under the prestigious gotch lineage.

about ryan:

Ryan Gruhn is a veteran competitor and has been studying the combat arts for over two decades starting his training in 1993. He is the head instructor at Central PA Mixed Martial Arts teaching Striking, Grappling and Weapons classes.  He is the Central PA and PA State representative for the World Thai Boxing Association, Dog Brothers and Erik Paulson’s Combat Submission Wrestling.

To date, Ryan is the only person ever to hold a Black Belt in Jiu-Jitsu while simultaneously holding the title of Ajarn in Muay Thai and Guro in Dog Brothers Martial Arts.

Ryan is a 3° Black Belt Brazilian Jiu-Jitsu and has competed in countless Brazilian Jiu-Jitsu tournaments placing in the majority of tournaments he has attended.  He has competed at every belt level and is a multiple time champion at Black Belt.

Competitively Ryan has been fighting in Real Contact Stick Fighting events since 2005.  With over thirty fights to his name he has ended a number of fights by submission, KO and TKO. Ryan fights in the Dog Brothers ~ “Gathering of the Pack” on a biannual basis in Los Angeles, California and Toronto, Canada. Ryan has competed in Jiu-Jitsu at every belt from white to Black belt, has won tournaments at every belt level and is a multiple time champion at black belt.

Ryan has produced over 30 champions in MMA, Muay Thai, Jiu-Jitsu and Golden Gloves Boxing. Numerous students of Ryan’s have reached the Ultimate Fighting Championships (UFC), PFL, Bellator and Invicta Fighting Championships.  Ryan’s Brazilian Jiu-Jitsu students have earned countless tournament wins under Ryan’s guidance at all belt levels and all divisions.  Ryan has helped multple CPAMMA fighters bring home Championship Belts at the “Tournament of Champions” in Iowa and the World Championships.

rank/certifications:

Muay Thai – Ajarn

Brazilian Jiu-Jitsu – 3° Black Belt

Dog Brothers – Guro / Full Dog Brother

Catch Wrestling – Instructor

Jeet Kune Do / Kali – Full Instructor

CSW/STX Kickboxing – Instructor

Certified BJJ Black Belt

bjj black belt

Ryan is a Brazilian Jiu-Jitsu Black Belt under Erik Paulson & Rigan Machado

Certified Catch Wrestling Instructor

Certified Instructor

Ryan is a Certified Instructor under Erik Paulson.

Member Reviews

Five-star testimonial archive.

JoJo Velasquez
2 months ago

When I was looking for a gym, I wanted more than just a place to train. I wanted to be held to a high standard, surrounded by people who push themselves every day, and challenged to become the best version of myself. Jus...

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Brady Grove
9 months ago

My 10-year-old son, who plays several sports, wanted to try Jiu-Jitsu but was extremely nervous before his free trial class last night. Elise and Ryan immediately put him at ease—welcoming him, explaining that nerves are...

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Dan Raffetto
2 weeks ago

CPAMMA is a fantastic gym—well organized, friendly, and competitive. The coaches will push you to improve while maintaining a great balance between experienced, competitive fighters and complete beginners. Everyone feels...

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Read all 591 five-star reviews

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Gym Hours

Mon: 11:40am-1pm, 4:30pm-10pm

Tue: 11:40am-1pm, 4:30pm-10pm

Wed: 11:40am-1pm, 4:30pm-10pm

Thu: 11:40am-1pm, 4:30pm-10pm

Fri: 4:30pm-6:30pm

Sat: 11:40 am-3pm

Sun: 2pm

NOTE: Door may be locked for select classes.
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