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Meet the Trainers

Get started on your path to a better you! Contact any one of our personal trainers below for a complimentary consultation to discuss your fitness goals and we will develop a training program around your individual needs. 


Denise Bermudez


(520) 548.4748

Get to know Denise:

Born and raised in Tucson, Denise focuses on specific needs for each of her clients. Her programming builds off foundational movement patterns, core strength work and weight training exercises. With over seventeen years of experience, Denise has worked with a wide variety of clientele that include young athletes to senior adults. Her intent is for her clients to gain confidence and strength to be able to perform everyday activities adequately. Outside of the Tucson JCC, Denise is a mother to Diego and Santi as well as a wife to Alejandro.

Certifications + Education: 

  • AFAA and ACE Personal Training
  • AFAA Group Fitness
  • AFAA Senior Adults Certification
  • Back and Neck Ergonomics Certification
  • Matrix Cycling Certification
  • TRX Group Fitness Certification
  • Barre Certified

Patty Babel


(520) 204.7982

Get to know Patty:

As a lifelong athlete, Patty found strength and fitness training to be key to her health and happiness. She appreciates how much her dedication to fitness has paid off. As she has gotten older, she sees how adapting to limitations that come with aging is important going forward.

She enjoys working with clients who want to be challenged as we ll as those who are challenged. She has enjoyed working with memory care clients and those with developmental disabilities. For all her clients she likes to keep her workouts interesting, effective, and fun!

Patty owned a gardening business since moving to Tucson in 2000 but felt she wanted to share her passion for health and fitness with others. In 2012 she returned to school at Pima to enroll in the fitness professional program certification and is certified by ACSM. She’s been a trainer at the J since 2 014. She has continued her education and has added several certifications.

An interesting aside. Patty was one of the first women to work in an underground mine in Wyoming when she was 19. Oh, the stories!

Certifications + Education:

  • ACSM TRX Suspension Training. ACE Corrective Exercise Specialist.
  • Senior Fitness Specialist. ACE Orthopedic Exercise Specialist
  • Graduate of Pima Community College

Liz Couser


(520) 909.5345

Get to know Liz:

Liz was a police officer in Tucson for over 20 years and during that time she was able to work at the academy for 4 years training recruits in physical conditioning and nutrition. She loves the strength and conditioning aspect of training and love to use kettlebells, ropes, dumbbells, barbells, and other equipment to see you be at your best! She also loves to work on balance and flexibility.

She has been interested in exercise and fitness since she started running at the age of 11. After many years of CrossFit and working out on her own she decided to share her skills as a trainer.

Certifications + Education:

  • American Council on Exercise (ACE) certified 
  • Master’s degree in nutrition 

Rhina Gerhauser


(520) 850.5924

Get to know Rhina:

Clients of all ages and abilities work with Rhina. With over 35 years in the Health and Fitness industry, and well-known for her in-depth knowledge of Functional Movement, Rhina is committed to helping clients, including the active ager and older adult, improve balance, strength, flexibility, mobility as well as cardiovascular, cognitive, and mental health.

Rhina’s credentials include working alongside physicians, nutritionists, behaviorists, and physical therapists at her own Wellness Clinic, Canyon Ranch, and Proactive Physical Therapy. This experience is invaluable particularly when addressing more specialized needs including chronic conditions, neurological disorders, weight loss, joint replacement, and brain health, including dementia.

Communication and connection drive Rhina. She believes no two people are alike: “I try my best to meet clients where they are on their wellness journey, and do so with science-based principles, great care, excellent results, and fun.”

An accomplished athlete (52 marathons and 41 half-marathons), avid community volunteer, and fluent Spanish speaker, Rhina was voted Top Instructor (AZ Daily Star) and received the JCCA Zahav award For Excellence in Elder Rehab.

Certifications + Education:

  • BS, and Master’s coursework Business/Public Health
  • Functional Movement Specialist
  • ACE, TRX, Schwinn & Matrix Cycling, CORE/Resist-a-Ball, Barre Above

Mary Teachey Maher, MS


(520) 906.9192

Get to know Mary:

Over the past 26 years Mary’s practice has matured into inclusive fitness for everybody; from Ironmen, Senior Olympians, new moms, and great-grandparents! As a Corrective Exercise Specialist, she also trains clients in post-operative recuperation, chronic pain and illness, Osteoporosis, cardiac rehab and movement disorders. 

Beginning with the study of dance at age 5, a love of science, and extreme outdoor adventures starting in her teens, Mary promptly transitioned into Fitness and Research careers in college and beyond Graduate School. Her continuing education includes nutrition for Cancer prevention and intermittent fasting for insulin resistance. 

With an Interdisciplinary MS in Physiology and multiple publications in peer-reviewed journals, Mary easily applies the Scientific Method and critical thinking to program design. Her mission is to create optimum health through integrative wellness for her clients. 


  • MS, University of Arizona 
  • Corrective Exercise Specialist, National Academy of Sports Medicine 
  • National Outdoor Leadership School (NOLS) graduate, Alaska Mountaineering 

Gabe Parada


(520) 390.5727

Get to know Gabe:

Gabe was born in Tucson but raised in Tubac, AZ. Gabe’s experience with weight lifting goes back a long time. Gabe is a graduate of PCC as a fitness professional. He enjoys working with young, aspiring athletes looking to excel in their specific sport and with seniors who may have trouble doing general activities of daily living. Gabe loves being a dad to his young baby boy, collecting fitted caps, riding ATVs, and watching football! 


Shelley Russell


(520) 977.3283

Get to know Shelley:

Shelley has been working in the fitness industry since 1996! Shelley trains virtually from Colorado for the Tucson JCC to offer expertise as a Corrective Exercise Specialist! With the help of wireframe technology, Shelley provides members with an assessment of any structural imbalances they may have to help them avoid a serious injury.


  • American Council on Exercise (ACE) Group Fitness Instructor and Personal Trainer
  • National Academy of Sports Medicine (NASM) Corrective Exercise Specialization
  • Heart Zones Inc ® Level 3 Certified Indoor Cycling
  • Les Mills International BodyPump and TRX Training Certified Instructor

Veronika Zinsmaier


(520) 275.1095

Get to know Veronika:

Veronika obtained her teaching degree in Sports and Fitness from The Gym Sports & Dance Academy KNS at the Technical University of Munich, Germany. Veronika has been working for the JCC since 2004 and is a certified Personal Trainer through the American Council on Exercise (ACE), a Silver Sneakers Fitness Instructor, a Senior Fitness Specialist, and a certified TRX Suspension Instructor.

Veronika has been teaching fitness for over 40 years and enjoys the excitement of an exercise session and the camaraderie of her attendees. Veronika has extensive experience in training older adults and believes workouts should be fun and improve fitness and health. She will steadily guide you to achieve your fitness goal by developing safe, effective, and fun workouts that are personalized to your needs and modified for each session. When she is not at the JCC, she enjoys playing the Cello, going to Concerts and Dance performances, swimming long laps, or cycling in the desert.


  • American Council on Exercise (ACE) Personal Trainer
  •  Silver Sneakers Fitness Instructor
  • Certified TRX Suspension Instructor.
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