Corte Madera CA, 94939


Marko Kosta


Marko grew up skating the streets of NYC in the late 1980’s and through the 1990’s. He picked up skating at age 14 and quickly fell in love with the exhilarating feeling of riding a skateboard and learning new tricks. He competed between the ages of 18-22. He earned his Bachelor’s degree in Business Administration from Pace University in 1999 and worked as a marketing executive for many years, prior to founding SK8 GYM, Corp.  
He has lived in the San Francisco Bay Area for 20+ years, where he raised his two sons and volunteered with various youth community programs for 15+ years. During that time, he has instructed students age 5-17 how to safely ride a skateboard among other activities. He now splits his time teaching between SF Bay Area and Los Angeles area.

Marko is currently available at a private facility in the Los Angeles area as well as SF Bay Area, including San Francisco, Marin County, and LaMorinda Area. 

Marko Kosta team member profile


Noemi Garza

President & CEO

Noemi is a Los Angeles native, raising her two teenage children, both of whom are avid skaters. She holds a Bachelor’s in Science in Business Management from Mount St. Mary’s University.  She worked in corporate management for over 15 years at Lockheed Martin Corp. and started her own franchise development corporation prior to joining SK8 GYM leadership. She enjoys being able to served her community by mentoring at-risk youth, volunteering with her therapy dog at literacy programs, and supporting her children with Girl Scout and Boy Scout services. 


Zane Timpson


Zane Timpson, 24 years old, is a graduate of San Francisco State University, holding a degree in Cinema with a minor in History.

Raised in sunny southern California, Zane fell in love with skateboarding at a very young age & has pursued it unceasingly. He has put out tens of video parts, some of which featured on Thrasher Magazine, & has photos published in every major skateboard magazine.

Outside of skateboarding, Zane does his best to promote kindness & empathy within his community, is invested heavily in the power of language & runs a collective-based art and literature magazine.

Zane is currently available for private lessons and classes in San Francisco. 

Zane Timpson - Instructor

Andres De la Rosa 

Associate Instructor

Andres has been skating for over 2 years and has taught beginner kids how to skate since 2020.

Jonah Medina 

Associate Instructor

Jonah brings over a decade of youth mentorship and skateboarding instruction experience to our team. He is a graduate of Alma Heights Christian High, where he excelled at football. He is currently a student at Skyline College pursing a Bachelors Degree. Johan has a unique ability to put his students at ease with his confidence and gentle approach.

Jonah is currently available for private lessons and classes in San Francisco, and Marin County. 

Charlie Fukunaga

Jr. Assistant Instructor

While Charlie has just a year of skating under his belt, he is such a great support to the team. He is always willing to help our instructors and students make each lesson a memorable one. He is such a joy to have on our team!

Kaylee Fukunaga

Administrative Intern

Kaylee fell in love with skateboarding amid the Covid pandemic. She found an outlet in the ability to experience the outdoors, live in the moment, pumping back and forth on the half pipe. It was a freedom she craved after her life hit pause in March 2020. She has been our intern and most welcome guest ever since.