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Josh Pruchniewski is the owner and head instructor of Training Grounds Combat Sports and Fitness in Brownstown Township, Michigan. He began his martial arts journey in 2010 and has since developed a well-rounded background in boxing, Muay Thai, kickboxing, Brazilian jiu-jitsu, and mixed martial arts.

With competitive experience across multiple disciplines, Josh brings both technical knowledge and real-world application into his coaching. He has been teaching fitness since 2016 and kickboxing since 2018, holding certifications in personal training, strength and conditioning, professional pad holding, and cardio kickboxing.

At Training Grounds, Josh focuses on building strong fundamentals, conditioning, and confidence in his students—whether they are training for competition, self-defense, or overall fitness. His coaching style emphasizes discipline, hard work, and a supportive environment where athletes of all levels can grow.

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