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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.

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.


Miss Alexandra

Miss Alexandra is currently studying to get her Bachelor’s of Science in Kinesiology Pre-Physical Therapy and a minor in Gerontology from San Diego State University. Miss Alexandra was also a gymnast for 10 years!

Mister Andy

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

Miss Avery

Miss Avery is currently attending Mesa College studying Microbiology. She was a competitive gymnast for six years and cheerleader for four years. Miss Avery also has experience working with children of all ages.
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 Courtney

Miss Courtney graduated from CSU Chico with a Bachelor's degree in English Education. She has completed several Early Childhood Education classes throughout my schooling and taught preschool for a little over 2 years.

Miss Jackie

Miss Jackie graduated from UC Irvine with a Bachelor's degree in Business Economics and a minor in Mathematics. She also trained as an EMT. Miss Jackie was a competitive cheerleader for 8 years and a college cheerleader for two years.
Jenny Hobbs

Miss Jenny

Miss Jenny is a student at San Diego State University working towards a Major in Interior Architecture and a Minor in Sustainability. She was a competitive gymnast for seven years and competed through level 7.

Miss Jillian

Miss Jillian is currently attending San Diego State University studying psychology in hopes to become a counselor, or a sports psychologist. She was a gymnast for eight years, a dancer for two years, then went on to cheer in high school.

Miss Kalena

Miss Kalena currently works at a pediatric/perinatal chiropractic practice along with being a coach at Gemstone. She was a competitive gymnast and cheerleader for a total of 10 years!

Miss Kayla

Coach & Special Events Manager
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

Coach & School Age Manager
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 Lauren

Miss Lauren is currently attending San Diego State University studying Speech Language and Hearing Science. She hopes to use her degree in elementary schools to help kids with speech therapy.

Mister Miles

Mister Miles is a graduate of Grossmont College where he studied dance and illustrative art. Miles started gymnastics as a child, and continued on to perform in the circus for 6 years.
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 Morgan

Coach & Preschool Manager
Miss Morgan graduated from Troy University in Alabama, where she received a Bachelor’s in Accounting. She has experience as a gymnast and working with children.

Miss Olivia

Miss Olivia graduated from Grossmont college in the spring of 2022 with an Associates degree in Criminal Justice and is now working towards her Bachelors degree in Criminal Justice at San Diego State University.

Miss Roxanne

Miss Roxanne is currently a student at Patrick Henry High School where she is soon graduating and will be continuing her studies in college to receive a major in Child Development and Elementary Education.

Miss Taylor

Miss Taylor is currently a fourth year student at San Diego State University studying psychology. Miss Taylor has experience working with children of all ages and was a cheerleader for many years.

Mister Thiago

Mr. Thiago graduated from the Musicians Institute in Hollywood, CA with a degree in Psychology and Guitar Performance. He has been working with music - performing, teaching, writing and recording since 2006.
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