Our Staff

Gemstone staff is extensively trained in child development, first aid & CPR, concussion prevention, child abuse prevention, and safe spotting techniques.

sara Kemp

Sara Hernandez Kemp

Founder and Co-owner

Hello! I am the founder and co-owner of Gemstone Gymnastics, along with my husband Chris. I opened Gemstone because I believe that EVERY child benefits from gymnastics.

Your coaches are vaccinated against Covid-19
chris Kemp

Chris Kemp

Co-owner and CFO

Hi I am Chris, co-owner with my wife Sara, and CFO of Gemstone. My background is in business and finance, which means I am a behind the scenes guy at Gemstone.

Mr. Andy

Mr. Andy


Mr. Andy has a B.A. in History and Political Science from California State University, Sacramento. He has coached gymnastics to children of all ages and levels for many years.

Miss Camille

Miss Camille

Coach & Hospitality Team Manager

Miss Camille has a B.A. in French from San Francisco State University and has many years of experience in early childhood education. She previously worked as a teacher at a French immersion preschool.


Miss Emma


Miss Emma is currently a student at San Diego State University working towards her Bachelor of Science in Foods and Nutrition. Emma was a competitive gymnast, starting in toddler classes and competed through Level 8!


Miss Isabel


Miss Isabel is currently studying Early Childhood Development at Grossmont College. Her favorite character is The Little Mermaid! She loves to eat birria tacos.


Miss Kayla

Coach & Special Events Co-Director

Miss Kayla has a BA in Nutrition & Food Science from CSU Chico, and also has an AA in Elementary Education. She spent many years as a competitive gymnast and cheerleader. 


Miss Kristen


Miss Kristen is currently working towards a degree in business at Miramar College. She has experience as a gymnast, dancer, and cheerleader and has been coaching since 2011.


Miss Mia


Miss Mia is currently a student at Patrick Henry High School, where she is a member of the cheerleading team and is working towards attending college after graduation. 

Miss Mimi

Miss Mimi

Coach & Hospitality Team

Miss Mimi is currently working towards her degree at SDSU in Computer Engineering with a minor in American Indian Studies.  She is a former gymnast and has experience coaching gymnastics to kids of all ages.


Miss Natalie


Miss Natalie is currently a student at Patrick Henry High School. Her goal after graduation is to attend college and work towards a degree in Political Science and Spanish. 

openingpage gemstone gymnastics

We are now open for classes under the county's Day Camp guidelines! Enrollment is open now.


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