Meet The Trainers

North Park’s Certified Fitness Professionals

Co-Founder & Director of Training, Personal Trainer
Kristen KarhioCo-Founder & Director of Training, Personal Trainer
Certifications: CSCS, SFG, Agatsu Kettlebell & Mobility, ELDOA, USAW SP1, FMS, B.A.

From a small town in upstate New York, Kris­ten began play­ing sports early on and worked her way to becom­ing the New York State Track and Field cham­pion in the pen­tathlon (2000, 2002). She went on to earn a track scholarship to San Diego State University where she competed as a Div-1 Heptathlete.
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Dan BettcherCo-Founder & Director, Personal Trainer
Certifications: RKC, CPT, PES, AFS, FMS, A.I.S. Therapist, M.S.

A veteran of 10+ years, Dan spent countless hours in the gym and competing in various athletic competitions. It wasn’t until he found kettlebells and Muay Thai that he figured out what being in shape really meant.
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Co-Founder & Director, Personal Trainer
Brittany van Schravendijk Personal Trainer
Brittany van SchravendijkHead Kettlebell Sport Coach, Personal Trainer
Certifications: CSCS, FRCms, SFG, Ketacademy, Agatsu Mobility, USATF, B.S.

Brittany is a Certified Strength & Conditioning Specialist by the NSCA and a USA Track & Field Level 1 Coach. She is a Master of Sport in kettlebell lifting and has been competing since October 2012. She learned how to lift kettlebells at one of the top Kettlebell Sport gyms in the United States.
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Cobi HopkinsACE Certified Personal Trainer
Certifications: MSTT, B.S.

Cobi received his Bachelor’s degree from San Diego State University in Kinesiology. After years of endurance sports, Cobi challenged himself to improve his strength, and his passion for weightlifting grew into a career.
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Cobi Hopkins Personal Trainer
Robin Taylor Personal Trainer
Robin TaylorPersonal Trainer
Certifications: NASM-CPT, Pre & Post Natal CES, Diastasis & Core Consultant, TRX, IBBFA

After 15 years working in another industry, Robin finally gave into her passion for fitness and left to pursue personal training. Robin gained certifications in pre and post natal exercise, inspired by her own journey reintroducing herself to exercise after having her two kids.
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Gary PageAce Certified Personal Trainer

Gary hails from Iowa and has had a long history of loving kettlebells. He has earned his Candidate for Kettlebell Master of Sport with Team KOR, and believes in working hard to achieve your goals.
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Gary Page Personal Trainer
Tiffany Longcor Personal Trainer
Tiffany LongcorACE Certified Personal Trainer

Although athletic most of her life, it took some college weight gain to inspire Tiffany to rediscover the joy in exercise. After self education and discipline, Tiffany started running again and shed 50 pounds, subsequently finding her passion for coaching others in fitness.
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Sharon FeldmanGeneral Manager
B.S., M.S.

Sharon went from being a KOR member, to a part-time administrative assistant, to general manager. While working part-time at KOR, Sharon obtained her masters degree from USC in Consumer Psychology. After graduating, Sharon joined Team KOR full time as the General Manager. She fell in love with the gym, the staff, and of course – kettlebells!

Sharon Feldman General Manager

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