Tennis Player

Credit Classes Instructors

Bill Aaron

Bill Aaron

Running

Bill Aaron received his Bachelor of Science degree from San Diego State University in Exercise and Nutritional Sciences with an emphasis in Fitness, Nutrition & Health. He is Head Cross-Country Coach at Kearny High, has coached cross-country at the intercollegiate level, and coaches marathoners. A marathoner himself, his personal best is 3hr and 31 min. He is also currently president of the San Diego Track Club.

Cali Tolbert

Cali Tolbert

Group Fitness Instructor Training

Cali is the Fitness and Wellness Coordinator for Aztec Recreation. She began teaching group exercise classes during her time in college at James Madison University and graduated in 2013 with a degree in Kinesiology, Exercise Science. More recently she received her Masters in Integrative Wellness at PLNU. She is a certified AFAA Primary Group Fitness Instructor, ACSM Certified Exercise Physiologist, and a National Board Certified Health & Wellness Coach. Her favorite formats to teach include cycle, strength based classes such as TRX, dance, and yoga but she enjoys teaching just about any format. One of her strongest beliefs is to make your heart happy which includes, but is not limited to, your physical well-being. When she is not helping and motivating others achieve their fitness goals, you can find Cali with her dog, Brodie at the beach, trail running, or hiking!

Chris Czarnecki

Chris Czarnecki

Beginning Yoga
Intermediate Yoga

CHRISTOPHER is a San Diego born athlete, and Aztec Alum. Upon graduating with a degree in Psychology, he became a certified yoga teacher through San Diego State University’s first Yoga Teacher Training. After 10 years of weight training and collision sports, Christopher found introspection, peace, discipline, and new kind of strength enhancement within yoga. Coming upon his 5th year of practice, his curiosity and persistence for improvement continues to refine his flow.

Cindy Fifield

Beginning Yoga
Yoga for Athletic Performance

Flo Pierce

Flo Pierce

Pilates, Posture, and Poses

M.Ed., M.A., Exercise Physiology

Flo is a lifelong teacher – from Middle School to the University, and from Active Adults to Law Enforcement Officers. For Aztec Recreation, Flo teaches Group Fitness Classes including Pilates and Barre Blast, emphasizing precision and posture. Taking a sequence of classes from Flo, you will get high level instruction to help move your Pilates practice to the next level. Flo holds certifications from ACE and ACSM with specialties in Pilates, Cycling, Yoga, PIYO, Barre, Gravity, and Aquatics. She would love to see you in her class!

Grace Gama

Grace Gama

Fitness Training for Women

Grace is the Fitness and Wellness Program Assistant at the Aztec Recreation Center. She graduated from SDSU with her Bachelors in Foods and Nutritional Sciences and is currently working towards her Masters in Integrative Wellness at Point Loma Nazarene University. Grace has remained active in many sports such as dance, cheer, triathlon and climbing. She believes that group fitness is a fun way to stay active as well as an opportunity to connect with like-minded fitness friends. During her free time she enjoys hanging out with friends, eating good food and having good laughs. As an instructor, she aspires to be a good role model, as well as a friend, to her students looking to stay active and healthy throughout their college careers.

Heidi Sarmiento Wilson

Heidi Sarmiento Wilson

Self Defense Conditioning

Heidi has been a fitness professional for over 25 years and currently is a member of the Health and Exercise Science faculty at the University of San Diego, Mesa College, Cuyamaca College, and Torah High School. She holds 2 Masters Degrees from SDSU; one in Public Health (MPH) and one in Exercise and Nutritional Sciences (MS). She is a 3rd degree Black Belt in Taekwondo and formerly ran a Taekwondo dojo with her late husband Grandmaster James A. Wilson. She currently trains in Hapkido with Grandmaster Stephen Hong and Aikijujitsu with Master Wayne Collins. Heidi is also a boxing trainer at Body By Discipline in Lemon Grove and Maxwell’s Boxing on Miramar Road. 

While Heidi teaches academic classes in health, sports nutrition, and various fitness classes her true passion is teaching women how to defend themselves.

John Nagel

John Nagel

Goal Setting for Lifetime Fitness
Salsa Dance

John Nagel enjoys exercise & dancing. He is presently teaching the GPX classes, Spinning®, core fusion & cardio dance at the ARC. He has been teaching partner dancing for over 30 year. He graduated with a BA in Social Science from UCI and has an AS in accounting from Mesa College. John’s approach to fitness is to set a realistic goal and then methodically work toward it. Plan your work; work your plan. When it comes to dance, let the music move you.

Lonny Mitchell

Lonny Mitchell

Basketball Skills & Conditioning

Lonny is a current High School Varsity Basketball Coach at Patrick Henry High School. He brings over 20 years of experience as a player and coach. Lonny is a SDSU Alumni with a Bachelors of Arts degree from San Diego State University and former student-athlete from 1995-1999. He is also Director of the C5 Athletics Foundation, a non profit organization he founded in 2012 to support youth student-athletics of all ages, with a mission to Build Leaders through Sports. He has true passion for sports, athletics, and helping youth in the community. As instructor his goal is to improve every student in the game of basketball while also helping them become better people in the game of life.

Megan Hollyfield

Megan Hollyfield

Hip Hop Dance

Megan’s love of jazz, tap, contemporary, and hip-hop dance began when she was 5 and has continued on in the present day.  Throughout her years in dance, hip-hop emerged as her favorite both to learn and perform.  Early in 2017, Megan’s journey has led to teaching group fitness, yoga, and dance classes at the Aztec Recreation Center.  Now as an SDSU graduate and group fitness instructor, teaching a hip-hop class for SDSU students was an easy decision to make.  She believes that dancing is key to building confidence, community, and creative expression, as well as having a little fun along the way.  No matter your experience, just get up and dance!

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