Our ENS Credit Classes Instructors lead a variety of fun popular classes!
- Allen Guevarra
- Andy Kelm
- Antonio Brito
- Bill Aaron
- Bradley Mills
- Brandon Hyatt
- Cali Tolbert
- Carley Kyle
- Carmen Schluter
- Chris Czarnecki
- Eric Koopman
- Flo Pierce
- Heidi Sarmiento Wilson
- John Nagel
- Kamau Jackson
- Kelly Dinh
- Ken Murczek
- Ken Meryman
- Kristina Latonio
- Lauren Mahlberg
- Lauren Knuth
- Lonny Mitchell
- Marcellus Walker
- Metin Meral
- Michael Sasaki
- Nicole Ryder
- Spencer Brady
- Stan Williams
- Will Halpin
Beginning Weight Training
ALLEN GUEVARRA graduated from San Diego State University with a Bachelor's of Science in Kinesiology: Fitness Specialist in 2016. Since then he has worked with EPARC (Exercise and Physical Activity Resource Center) at University of California, San Diego as an Exercise Laboratory Assistant. In which he worked on a research study called MEDEX that focused on the effects of exercise, mindfulness, and health education on older adults and it's correlation with cognitive function. Allen has also worked with the Marine Corps as a Fitness Specialist in which he became a certified High Intensity Tactical Instructor and focused on a comprehensive strength and conditioning program that provided programming, facilities and education for active duty and reservist Marines. Allen has also competed in powerlifting for over 5 years and has won several competitions and has broken state records under the United States Powerlifting Association. Allen believes that weight training allows individuals to not only become better physically, but throughout all aspects of their lives.
Functional Fitness Training
Olympic Lifting & Sports Conditioning
Intermediate Weight Training
Antonio received his degree in Kinesiology from SDSU in 2014. He is a Certified Personal Trainer with the National Academy of Sports Medicine. Antonio’s passion for soccer began at a young age; he played recreationally and in a club during high school. While getting his undergrad he coached the 7-9 age group at Copley YMCA. Antonio specializes in functional training, performance enhancement, and Olympic lifting and he is currently a personal trainer at the Hilton Bayfront. Antonio has a firm belief that health and wellness should be something enjoyable, and he makes his training and his classes fun and focused.
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.
Fitness Training for Women
Beginning Weight Training
Brandon Hyatt is a fitness professional and an SDSU alum in kinesiology, emphasis in pre-physical therapy. With a passion for educating others on fitness and health, Brandon is rewarded by seeing his personal training clients and students empowered by experiencing positive changes in their lives. Brandon is currently finishing his master’s degree at Point Loma Nazarene University in kinesiology, emphasis in sports performance, and maintains a private personal training clientele.
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. She is a certified AFAA Primary Group Fitness Instructor as well as an ACSM Certified Exercise Physiologist. 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!
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.
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!
Heidi Sarmiento Wilson
Self Defense for Women
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 2nd 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 Shihan 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 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.
Intermediate Jiu Jitsu
Kamau is a 4th year student at San Diego State studying Criminal Justice and Psychology. He started training “No-Gi” Jujitsu in 2002 and went on to traditional Gi Jujitsu in 2010. He currently trains at Honu BJJ, a Ribeiro school in San Diego. Kamau trains and instructs jujitsu with an emphasis on self defense, utilizing sport and traditional techniques as well as techniques derived from wrestling, judo and MMA. He strongly believes jujitsu is a game of human chess, utilizing technique and problem solving skills over strength and agility. The study of jujitsu teaches humility while instilling confidence, gets one in amazing shape while learning to not rely on physical attributes and it teaches how to win by understanding your losses. The smallest opponent can defeat the biggest by using angles and manipulating leverage, making it as much a thinking game as a physical sport.
Ken is the current women’s volleyball assistant coach at San Diego State University and played on the men’s varsity team at SDSU from 1996-1998, while earning his undergraduate degree in Exercise and Nutritional Science. He also holds two master’s degree and is currently pursing his doctoral degree in Kinesiology. Ken also runs a Little Spiker’s program for kindergarten through 5th graders and is the head coach for the 12U team for Club Pacific. When Ken is not coaching or studying he is most likely out playing or running a beach volleyball clinic.
Hip Hop Dance
Kristina has been dancing since she could walk, but her formal training began at the age of 12. A native of New Jersey, she trained in ballet, jazz, lyrical, and hip hop. Since she was 18, she has had the opportunity to teach various dance classes and perform in many competitions and showcases in the United States and in China. After graduating from Rutgers University with a Biochemistry Degree, Kristina decided to move to sunny San Diego where she pursued graduate school and dance. She made her television debut on America’s Best Dance Crew and has trained with notable dance teams in San Diego: SGBM, 220, Urban Fx, and Framework. These days, you can find Kristina in her high school classroom teaching science, but she still loves to teach dance. She will continue to teach and train until her feet stop working!
Yoga for Athletic Performance
Lauren discovered yoga in 2005 and has watched it transform her life and relationships. After working in the corporate world for 10 years, she made a decision to leave her fast-paced, high-stress job and pursue her true passion, which is bringing others the joy that yoga has brought to her. She is experienced in multiple styles including Ashtanga and Hatha and has studied meditation and pranayama with expert teachers around the country. Lauren teaches a vigorous Vinyasa Flow and enjoys incorporating elements of Pilates, meditation, flexibility and strengthening to create a well-rounded, balanced class. You can expect new, challenging poses as well as creative sequencing in each of her specifically designed classes.
Fitness Training for Women
Lauren is a firm believer in taking an holistic approach that includes nutrition, exercise, and mindfulness to achieve well-being. She views yoga as a healing modality for all things pertaining to the human condition – body, mind, and spirit. You can find Lauren bringing positive energy, enthusiasm, and a few jokes wherever she goes. Her hope is for everyone to experience empowerment in their bodies, clarity in their minds, and freedom in their spirit.
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.
Self Defense for Women
Tae Kwon Do
Marcellus Walker has 30 years of martial arts experience with varying degrees of expertise in multiple styles. He began his exploration of martial arts as a teenager studying Shotokan Karate in 1980, and from there he went on to study Kenpo, Kickboxing, Goju-Ryu, Tai Chi Chuan, Tae Kwon Do, Hop Ki Do, Judo, Capoeira, and Aikido.
Mr. Walker considers Tae Kwon Do to be his primary style. He began his Tae Kwon Do training in Santa Cruz, CA at Song’s Martial Arts Institute in 1990. He developed his love for this style under the tutelage of Grandmaster Soonho Song and several of the exceptional black belt instructors at the Institute. Mr. Walker spent several years competing in Olympic style sparring tournaments sanctioned by the United States Tae Kwon Do Association in the early 1990’s. Shortly after moving to San Diego, he began studying Tae Kwon Do under Grandmaster Suk Chung Kang where he earned his 4th degree black belt.
In 2000, Mr. Walker co-founded the martial arts program at San Diego City College with Professor Jim Colbert. The program has been very successful and continues to develop under Jim’s expertise. Mr. Walker also taught for Kang’s Tae Kwon Do Association until Grandmaster Kang retired in 2006. Today, Mr. Walker’s teaching style focuses on individual development of the physical, mental and spiritual body, and the practical application of martial art techniques for self-defense.
Coach Metin received his master degree in Kinesiology from SDSU in 2015. Metin’s soccer career started in his early age and played youth clubs,high school, college and semi-pro level. Since he arrived to the USA 10 years ago he always pursue his passion for soccer. He has coached many youth teams, high schools, college and semi-pro team. He is also currently coaching youth clubs and semi-pro level. He won CIF high school championships in 2013, won league championships in high school, college and club tournaments. He loves teaching, developing and sharing his skills with experience to young athletes as a former semi-pro player. He believe soccer and other sports have to teach and learn in fun and competitive environment. Therefore he creates fun and competitive environment while he is teaching. He has National D license and goal keeper license. He is also a soccer official for 10 years and officiating other sports as a hobby such as lacrosse, field hockey and volleyball.
Stan Williams is originally from Philadelphia, Pennsylvania. He began practicing Yoga in 1976 while a student at LaSalle College located in his home town. With a Bachelor of Arts Degree, he relocated to Diego and eventually started his own business importing art and decorative Porcelain from Limoges, France. Stan completed the rigorous Iyengar three-year teacher training program and taught as a ’teacher in training’ for several years before being fully certified in the Iyengar method. Today, with many years of experience he continues his ongoing training with senior Iyengar teachers and is currently teaching Group Fitness yoga classes at the ARC, at the Iyengar Yoga Center of North County and Full Circle Yoga in San Diego. Stan’s objective for ENS 143 Yoga Inversions is to teach the basic techniques of general poses properly and safely with emphasis on Salumba Sarvangasana (Shoulder Stand) and Salumba Sirsasana (Head Stand) as well as the many preparatory poses that help develop the strength and flexibility to do the poses properly.
Stan’s other interests include playing basketball at the ARC and volunteering at the San Diego Maritime Museum. He is currently a qualified sail crew member on the historic and gorgeous Star of India, a windjammer located at San Diego’s central embarcadero pier district.