Paul Flores

CrossFit Level 2 Certified Trainer, NSCA Member, Olympic Weightlifting Certified


Paul is the owner of CrossFit East County, known for the last 8 years as La Mesa Workout.  Paul was led to open CrossFit East County based on his personal search for the most cutting edge training program that would help develop his own athletic performance. The energetic, positive environment he has built in CrossFit East County has made it one of San Diego’s favorite fitness facilities. Paul has a unique ability to pull the most out of his clients to help them  make the most out of every training session. He leaves nothing to chance, ensuring his clients are reaching their CrossFit goals in the quickest, safest way possible.  With over 40,000 personal training hours under his belt, there is no doubt he can design a program for even the most challenging of fitness goals.

Paul was raised in the East County. He graduated from Granite Hills High School, where he played football, wrestled and played baseball. He continued his athletic career at Grossmont Jr. College, where he was a starter and defensive team captain at the linebacker position. He attended San Diego State and studied physical education.
Paul has so embraced CrossFit as a competitive outlet, he placed 3rd in the Masters Division at the 2010 CrossFit Games in Carson, CA.  He followed that performance up with a 16th place finish at the 2011 Games. This experience has given his coaching a new dimension. It has allowed for him to use this high level competition as a launching pad for his clients, who have an interest in preparing for the CrossFit Games, an experienced coach to rely on for their programming, nutrition and motivational needs. This experience is also readily available to clients of all fitness levels.
His interests include family time with his wife Tina, his children, McKenna, Sydney, Trevor, Sami, Amber and his dog Daisy, playing guitar, bike riding, golf, surfing and an occasional triathlon. Paul’s true passion is instructing, educating and inspiring people to never accept anything but the best that life has in store.

Teshina DeBoer

Head Trainer, CSCS, CrossFit Level 1 Certified, B.S. in Exercise Science, Masters in Exercise Physiology

Teshina is a Level 1 CrossFit instructor and an NSCA Certified Strength and Conditioning Specialist.  She graduated from Rocky Mountain College in Billings, MT with a B.S. in Exercise Science and obtained a Master’s degree in Exercise Physiology at San Diego State University.  Teshina participated in sports such as swimming and volleyball, although she found a true passion for fitness attending group exercise classes.  She taught group fitness classes such as conditioning and indoor cycling for over 10 years.  Teshina taught group fitness classes at the Aztec Recreation Center, as well as weight training classes as a one-unit course for SDSU students.  Teshina met Paul in 2006 and further developed her passion for fitness by personal training and becoming CrossFit certified.  She is committed to helping her clients realize their true potentials and achieve their fitness goals.  Teshina competed in the 2010 San Diego/Arizona CrossFit Sectionals where she placed 2nd overall.  Then, in 2012, Teshina finished in 18th place in the CrossFit Games Open competition (for the Southern California region).  She followed that up with an 11th place finish at the SoCal Regional competition against some of the country’s top, elite female athletes. Then, this year she finished in 13th place in the CrossFit Games SoCal Regionals.   In addition to CrossFit, she enjoys spending time with her family and friends.



James Berry

CrossFit Level 1 Certified, CrossFit Olympic Lifting Certified, CrossFit Basic Barbell Certified, CrossFit Nutrition, EMT/CPR

James is born and raised in San Diego and nurtures a life-long passion for bicycle riding of all disciplines.  This has led to a passion for over-all fitness and health through exercise and nutrition.  He met Paul Flores in 2007 and has been hooked on CrossFit training ever since. James thoroughly enjoys sharing his knowledge of fitness and nutrition with others especially at CrossFit East County. To support his bicycles, himself and his family, James is a 22-year career fireman with the City of Chula Vista.  He enjoys his family time with his wife Pamela, son, daughter, two grown stepsons, their wives and is known to his two grandsons as “Papa J.”