Our coaches

Our instructors have had years of experience both in New Zealand and overseas. They are committed to bringing the best possible coaching to all skill levels.
Gareth Terry
Brazilian Jiu Jitsu black belt (second degree)
Gareth began his BJJ journey in Auckland at the age of 30, while doing his PhD in Psychology. He received his black belt in 2018 and is keen to help people develop the most from their jiu jitsu and not make all the mistakes he did! Gareth trained in Aotearoa for seven years, and was awarded his blue and purple belts by John Will. He then moved to the UK for three years, training under Roger Gracie black belt Kev Capel, who awarded him his brown belt. After returning to New Zealand, Gareth trained for three years before receiving his black belt from John Will in November 2018. He has been lucky to train with some of the best practitioners and coaches in the world, and has been exposed to a wide variety of different approaches to BJJ. His coaching style is easy to understand and great for anyone from beginners to advanced BJJ participants.

Min "Min" Kang

Brazilian Jiu Jitsu purple belt

Min is a dedicated Brazilian Jiu Jitsu practitioner with a passion for continuous growth on and off the mat. Since beginning his BJJ journey in 2017, he has competed in numerous tournaments, often earning podium finishes. Min also studies Judo to complement his grappling skills and is fluent in Korean.

Jonathan "Jonno" Barber

Brazilian Jiu Jitsu purple belt
Jonno began his Brazilian Jiu Jitsu journey as a founding member of Cornerstone BJJ. Known for his approachable nature and positive energy, he’s a constant presence on the mats. Jonno enjoys exploring and refining techniques, bringing curiosity and creativity to every training session.

Alex Shpak

Head kids coach Brazilian Jiu Jitsu purple belt
Alex is the head kids’ Brazilian Jiu Jitsu coach at Cornerstone. He is a technically minded and thoughtful practitioner, and one of the most skilled training partners you’ll meet on the mats. Alex has a unique ability to break down complex techniques into simple, easy-to-learn steps, helping kids feel confident and capable as they develop their skills. He brings patience, creativity, and a love of learning to every class, and is passionate about helping young athletes grow both on and off the mats.

Nakita

Women's and kids' coach Brazilian Jiu Jitsu purple belt
Nakita is the women’s and kids’ coach at Cornerstone, bringing a wealth of experience as both a coach and practitioner. She is passionate about sharing her knowledge with adults and children alike, creating a supportive and encouraging environment for every student. Patient, thoughtful, and highly approachable, Nakita is the kind of coach who will challenge, support, and bring out the best in you during every session.
Matt Hogan
Founding coach Brazilian Jiu Jitsu black belt (first degree)
Matt started his Brazilian Jiu Jitsu career in Auckland shortly after finishing high school. Since then, Matt has travelled the world to pursue BJJ, gaining his black belt in 2015 while coaching in one of Melbourne's top BJJ gyms.
Matt has an impressive competitive background having competed in an abundance of BJJ and submission grappling competitions throughout his career.
Matt is a personable and friendly coach who likes to see people train hard while maintaining good technique and having a great time.