EE Team


Our experienced personal trainers have specific education, backgrounds, and training in exercise physiology, biomechanics, sports training, functional fitness, weight loss, nutrition and lifestyle management. We are trained to evaluate and assess your body for muscular imbalances and design personalized programs to fit your needs, thus maximizing your results in a safe and effective manner.

Austin –

Keith Norris

Partner & Efficient Exercise Master Trainer

A lifelong athlete known for his passion and energy, Keith Norris is Efficient Exercise’s most fiery powerhouse. Keith’s immersion in fitness and strength training began at the age of 15 as a member of San Antonio’s Powerhouse Gym, legendary for launching the careers of such athletes as Ms. Olympia Rachel McLish, Lori Bowen-Rice and Jeep Swenson. His interest expanded to include athletic rehabilitation while playing football for Texas State.

After a distinguished military and corporate career, Keith walked away from a cushy gig in the pharmaceutical industry to join Efficient Exercise to focus on personal training. Since then, Keith has become a thought leader on Paleo nutrition and his blog, Ancestral Momentum ­- Theory to Practice, is consistently ranked as one of the Top Fitness Blogs and in top 20 by BreakingMuscle.

In addition to working with clients, Keith actively participates in the management of Efficient Exercise fitness studios and advises and develops staff responsible for programming and personal training activities as well as being a founder of Paleo f(x).

Bert Massey

Seaholm Lead Trainer

Bert grew up in Brownwood, Texas where he played and loved all sports from an early childhood. Bert played football, baseball, and powerlifted while in high school and attended the University of Texas and received his bachelors degree in History in 2006. For several years Bert pursued a career in law and politics, but in 2011 realized his passions were fitness and sports so he changed directions in life. Over the past 3 years Bert’s passion and hard work has helped him to become a CSCS (Certified Strength & Conditioning Specialist) allowing him to pursue a career in what he truly loves.

Bert found Efficient Exercise while looking for a gym that not only matched his passion for fitness, but that also matched his academic/scientific approach. What he found was a truly innovative group of people who loved what they do and were on the cutting edge of fitness trends and technology.

Holden Manuppelli

Rosedale Lead Trainer holden-headshot-2016

Born & raised in San Antonio, Texas, Holden developed a fervor for fitness at an early age. As a 2nd grader, his mother, Debby, became a group fitness instructor and would soon become the most influential figure on his fitness journey.

An avid basketball player in his youth, Holden discovered he enjoyed the strength and conditioning aspect of team training much more than his teammates. This interest in maximizing athletic performance would only grow over the years. As a freshman Kinesiology major at the University of Texas at San Antonio, he became a personal trainer at a local athletic club. This afforded Holden the opportunity to apply his studies to the real world daily, experimenting with a variety of different training disciplines when programming workouts for clients and himself alike. It was at this time he decided bodybuilding was his favorite sect of the fitness world and in November ‘08, competed in his 1st show at age 20.

In May of ‘11, he graduated from UTSA with a B.S. in Kinesiology/Exercise Science. In 2015, life lead him to Austin, TX, where he is elated to be a part of the best gym anywhere in the world: Efficient Exercise. When he’s not training his stellar clients, Holden enjoys dabbling into a little bit of everything: DJing, drawing, biking, yoga, reading, traveling, meditating…just to name a few. You can also find him frequently hanging with the EE crew, eating otherworldly amounts BBQ and partaking in legendary conversations about every topic under the Texas sun.

Shane Whitehead

Personal & Partner Training – Seaholm & Rosedale

Shane has always been fascinated with physics and all things mechanical, and after growing up participating in sports, decided to combine the two and began his pursuit of understanding the human body.  Shane attended James Madison University where he received his Bachelors degree in Kinesiology.  During his time there, he spent over 600 hours working closely with the Strength and Conditioning Staff to design and coach strength programs for various Division I sports teams.

He believes injury prevention is the most important part of training and carefully selects exercises to help restore or enhance proper pain free function in all basic human movements.

“My goal is to help all my clients achieve a better understanding of how certain exercises and diet changes will alter their bodies. Every exercise I choose has a specific purpose, whether it is correcting muscle imbalance, increasing range of motion, or just making certain area look better.  We will work together to create a program that helps you move, feel, and look better, but is also simple enough to be sustainable.”

Lindsay Crowell

Personal, Partner & Group Training – Rosedale Lindsay

Lindsay grew up in the swamps of North Louisiana and participated in softball, soccer, cheerleading and dance. She’s always been active even through graduate school, as she played on the flag football team for LSU-Health Science Center in Shreveport. Her passion and continuous thirst for knowledge in fitness led her to pursue personal training.  

Her goal is to assess and correct body mechanics to optimize your health and fitness goals. Lindsay’s expertise is mobility and strength based programming. She holds a bachelors in Health Studies and has worked in the rehabilitation field for over five years. She’s currently working on her Corrective Exercise Specialist Certification and competes as an Olympic weightlifter. 

Cindy Patrizi

Accounts Receivable Manager & Seaholm Trainer

Cindy has enjoyed a lifelong enthusiasm for sports and movement that stemmed from being raised as a member of an active family. In her 30s, she joined Austin Rowing Club where she competed at the master’s level for several years.

In 2000, a Newsweek article profoundly changed her perspective on exercise. “Going Super Slow”, featuring Dr. Philip Alexander, Internist at College Station Medical Center and Efficient Exercise founder Mark Alexander’s dad, touted the benefits of slow, high intensity weight training as the ultimate prescription for fitness. Shortly thereafter, Cindy began practicing the methodology and received her SuperSlow Instructor Certification.

Cindy now shares her passion with Efficient Exercise clients, helping them with age defying, high intensity workouts and increasing their enjoyment of other physical activities, whatever they might be. Cindy hold’s a hold bachelor’s degree in Liberal Arts and Sciences from St. Edward’s University.

Chris Bever

Personal & Partner Training – Seaholm & Rosedale

Chris is the hybrid coach. As a practicing board certified Physical Therapist Assistant working full time for the University of Texas and a Personal Trainer/Coach certified through the American College of Sports Medicine, he has a unique view on bridging the gap between rehab and performance.

Chris has an extensive background in both the medical and performance side of fitness.  He has competed in the Pole Vault at a collegiate level and has become a national champion in the process.  After learning to work around several injuries limiting his progression he set his sights on helping others achieve their goals in the same fashion as he has achieved his. Today, Chris is training himself to compete on the TV show America Ninja Warrior.

Taylor Mistler

Personal & Partner Training – Seaholm & Rosedale

Taylor grew up in Austin, Texas playing every sport under the sun. Her mother was a Division I collegiate athlete, passing along her competitive edge, and her father was a sports enthusiast,  emphasizing off season training and perfecting the fundamentals of any sport she played. Basketball and soccer were her primary sports she excelled in all the way through high school. In college at the University of Texas in Austin, she jumped into triathlons and other endurance events  but then found the sport of Crossfit to fuel her competitive spirit. Now on a competitive Crossfit team, she enjoys training at high level. She enjoys coaching others to improve movement quality, strength, speed, endurance, and body awareness.

Working through college,Taylor has had a wide variety of job opportunities and valuable experience that has shaped her into the personal trainer she is today. Taylor is finishing up her Bachelor of Science and Arts degree in Nutritional Science and Business and plans on staying in the health and fitness industry, as her passion is to improve people’s quality of life through proper nutrition, exercise, stress management, quality of living, and a positive mindset.

Shauna Alexander

RN, BSN, Certified Health Coach – Career Development Manager

Shauna’s father, who is an Exercise Physiologist, introduced her to the importance of health and fitness at an early age. Her enthusiasm for the discipline led her to study Community Health at Texas A&M and then earn a Bachelor of Science in Nursing from the University of Texas, Austin.

As a Registered Nurse, Shauna is so attuned to the body that it only made sense for her to work to improve it—both hers and her clients’. Her combination of an interest in physiology, a love of wellness and a dedication to educating people on the best decisions for their health, led her out of the hospital and into Efficient Exercise.

Shauna loves bringing fitness and wellness to the community and working with busy professionals with a desire to live stronger, longer and better.

Gayla Harris

Physical Therapist, Registered Massage Therapist, Seaholm Trainer

Gayla developed an interest in fitness and physical therapy growing up as a gymnast and dancer.  After receiving her PT degree from the University of Texas, Galveston, Gayla entered The Institute for Rehabilitation and Research in Houston where she worked for 24 years, making her way to executive director of Rehabilitation Services.

In keeping with her passion of teaching people about their bodies, staying strong and avoiding injury, Gayla joined Efficient Exercise as a personal trainer. Because physical therapy is largely built on the sciences of anatomy, biomechanics, exercise science and movement analysis, Gayla is able to develop comprehensive and efficient ‘start-to-finish’ regimens for competitive and recreational athletes.

In addition to her Bachelor of Science Physical Therapy, Gayla has earned a Master’s in Business Administration, is a Licensed Massage Therapist (LMT) and an Applied Clinical Nutritionist (ACN).

Mat Fisher

Personal & Group Training – Rosedale 210.884.4062
Mat Fisher

Mat Fisher is the co host of the Reconnected Human Podcast, health coach, and a heretic in the health field. His mission is to revive the power of the individual through our connection to the laws of nature. Mat studied kinesiology and sports medicine in college and used his knowledge to become a  personal trainer. For the past decade he has taught his passion to people that are fed up with mediocrity and want something more from their health. Through his research and self experimentation, Mat has totally transformed his health, and the health of others. With the help of the Reconnected Human he hopes to sell others on the beauty and regenerative qualities of living a more native and harmonious life.

San Antonio –

Michele Winn

Stone Oak Studio Manager, Personal & Group Training Michele_Web

Michele’s interest in physical fitness began as a toddler while taking classes with her Jazzercise instructor mom.  Her interest in strength training was piqued in high school as a way help her performance in soccer and to protect her knees after an ACL injury. Her father who was a professional soccer player who coached her through high school was also an inspiration to her.

Michele’s passion for slow, high intensity strength training and Bachelor’s degree from Texas A&M University landed her the position of Downtown Austin Manager with Efficient Exercise where she was a personal trainer for more than five years. The epitome of body transformation, she engaged in HIIRT exercises throughout her two pregnancies, which she attributes to giving her the strength to have two natural home births and then lose the baby weight very quickly after her pregnancies.

After moving to San Antonio, Michele became a certified SuperSlow Instructor and manager for SuperSlow Zone Stone Oak location. She joins her mom, Nancy Flater, at the Efficient Exercise Stone Oak studio as personal trainer.

Marie Jaenicke

Stone Oak Personal & Group Training

Marie grew up in the Chicago area and was involved in customer service from an early age working in the family restaurant business.  As an adult, she later sold the restaurant business and relocated to San Antonio with her own family.

Marie grew interested in fitness at age 18 when she realized how diet choices and lack of exercise were affecting her physically.  She decided to be proactive with her own health and fitness to take control of better lifestyle choices.  With lessons learned from her own life and now training in the Efficient Exercise program, Marie gets great pleasure in helping others achieve their goals.  Marie believes we should all aim to have a strong body, mind, and spirit!

Nancy Flater

Stone Oak Personal Training Nancy_Web

Nancy’s career in health and fitness has been indelibly shaped by a lifetime of helping and serving others.

Nancy’s fitness career began in her twenties when she purchased a fitness franchise and became a certified Aerobic and group exercise instructor.  Ten years later, she opened a Fitness Club in Portland Oregon and became an elite instructor for Nike fitness wear. A move to San Antonio in 1989 led Nancy to Women Super Fitness where she became a certified personal trainer, and then Home Court America where she earned her certification to teach Pilates.  With all her experiences and certifications, she then opened ran her own personal training business for seven years.

Nancy is devoted to helping older adults fight the aging process. She spends numerous days and hours volunteering at nursing homes teaching sitting exercise classes and teaching nutrition classes at her church.

Executive Team –

Jayci Cormier

COO Jayci

After being less than fulfilled in careers in dental hygiene and corporate America, Jayci threw herself into the health and fitness world in 2008 and has no regrets. She holds multiple fitness training and nutrition certifications, and loves to spend her weekends teaching adult gymnastics seminars all over the world. She believes in a holistic and integrated approach to wellness, and is completing her certification in Functional Diagnostic Nutrition. After coaching for several years and working in operations for large and small businesses, she is excited to merge her skills in the COO role at Efficient Exercise.

Mark Alexander

President & Founder

Mark became active within the fitness field at a very early age (as you can see in his “I am Superboy” deadlift photo).  In an effort to increase his knowledge and skills, he studied sport management at the University of Texas.

In building upon his mission to change the way the world exercises one client at the time, Mark founded Efficient Exercise in 2001.  In 2009, Mark teamed up with inventor Randy Rindfleisch to develop, patent, and launch ARX – adaptive resistance exercise

As founder, Mark’s unique perspective, entrepreneurial spirit and industry experiences help drive the management and growth of Efficient Exercise. He is the catalyst of best practices in each of the company’s fitness studios by continually improving service and operational systems.