Our Team

Derek Johnston

Owner, Goal-Line Performance

Stick Skills Coach
10+ years of training experience

Ken Vick

CEO, Velocity Sports Performance

Mike Zoetewey

Director of Operations, Sports Performance Coach

Bachelor’s (BA) Kinesiology,  Bachelor’s degree (BS) in Information Technology  and a Master’s (MS) Degree in Kinesiology. 

National Strength and Conditioning Association’s CSCS, National Academy of Sports Medicine (NASM) Corrective Exercise Specialist and Performance Enhancement Specialist (PES), United States Weightlifting Association Club Coach, United States Track & Field Association Level 1 Coach, StrongFirst Kettlebell Instructor, Titleist Performance Institute (TPI) Level 1, 2, 3 Fitness; Level 1, 2 Juniors, CrossFit Level 1, Functional Movement Screen (FMS) Level 1, Precision Nutrition Level 1 Nutrition Coach.

Yohei Arakaki

Sports Performance Coach


Exercise Physiology, Biomechanics, Sports Psychology, and Coaching


Exercise Physiology, Biomechanics, Athletic Training, and Anatomy

Brian Gibes

Sports Performance Coach

Brian played D1 hockey for Lake Superior State University before receiving a Master of Science in Sports Administration, a Bachelor’s of science in business administration and further building his career as a sports performance coach by getting his NASM Certified Personal Trainer Certificate, Corrective Exercise Specialist, and becoming a Certified Nutrition Coach. 

Stacey Gluck

Sports Performance Coach

Degree in Early Childhood Education.
Nutritionist and ISSA Certified.
First Aid, CPR and AED Certified.
Olympic Development Program (ODP).
Women’s Professional Soccer (WPS).
Women’s Professional Soccer League (WPSL, USA).
W league (USA).
Women’s European Professional Soccer League.
USA LSO Women’s Soccer League (USA).
USA national Roller Women’s Hockey Team.
Women’s Collegiate club hockey (WLC).

Tim Herkenhoff

Sports Performance Coach

Tim is originally from St. Cloud, Minnesota went on to play College Football for S.C.S.U. and later received his National Federation Personal Trainer Certificate and works with all athletes on becoming better athletes. 

Gasper Kopitar

Stick Skills Coach

Gasper was born and raised in Jesenice, Slovenia until he was 15 years old before moving to Los Angeles for his Brothers NHL career and to train professionally in hockey. Gasper went on to play for the WHL Portland Winterhawks and then moved to the USHL Des Monies Buccaneers followed by Mora IK Allavenskan Sweden league while also playing for the Slovenian men’s National team in the Olympic Qualifiers and World Championship. Gasper finished his career with 4 years in the ECHL and is now a full time stick skills coach.

Brandon Talsma

Sports Performance Coach

Brandon has been coaching professional athletes for the last 4 years here in Los Angeles.
He has worked with athletes from the MLS, MLB, NBA, NHL, USTA, Motocross, BMX, Professional Rugby, waterpolo, skateboarders, surfers, swimmers, skiers and Snowboarders. 
He also recently has traveled the world and lived in China as the strength and conditioning coach for the Chinese Olympic Slopestyle Ski team and most recently he was the strength coach for medalists on the Chinese Olympic swim team.
Scroll to Top