- Certified Personal Trainer, American College of Sports Medicine (ACSM)
- Certified Personal Trainer, YMCA Health and Fitness
- Certified Pilates Instructor, Pilates PhysicalMind Institute
- Bachelor of Arts, Communications/Theater, University of New Hampshire

Althea has been working in the health and fitness industry since 1990. Her knowledge, energy and contagious enthusiasm have always made her one of the most popular class instructors.  Her specialty: Pilates.  In addition to teaching and training here at the club, she has also designed and conducted numerous instructor certification programs.  As the founder and former owner of Defy Gravity Pilates, she has been profiled on KPIX, KGO and 7x7 Magazine.

Althea has extensive experience in physical rehabilitation, and truly looks forward to seeing her clients fully recover from past injuries and then achieve new levels of fitness. By focusing on how the body and mind functions as an integrated unit, postural weaknesses may be strengthened, functional movement may be restored and mental agility may endure. 

Althea's motto: “Stay flexible.”

- Certified Personal Trainer, National Personal Training Institue (NPTI)
- Certified Personal Trainer, National Academy of Sports Medicine (NASM)
- Certified Group Fitness Instructor, Aerobics and Fitness Association of America (AFAA)
- Bachelor of Arts., Communications, California State Univeristy - Long Beach

- Certified Personal Trainer, National Strength and Conditioning Association (NSCA)
- Bachelor of Science, Marketing and Economics

David has always led an active life with a background in competitive gymnastics and professional ballet. Along with being an NSCA certified personal trainer, David also earned a diploma and certification from the National Personal Training Institute. He is also an ISMA certified pilates instructor and sports nutrition consultant.

David’s passion lies in training and motivating people to meet and exceed their fitness goals, pushing themselves to the limit and being completely psyched and proud of what their bodies can do. Whatever someone’s current fitness level is or is not doesn’t matter to David. "Just come in for a workout, give your best effort, and have a blast."

- Certified Personal Trainer, National Personal Training Institute (NPTI)
- Certified Personal Trainer, National Academy Sports Medicine (NASM), January 2009
- Certified Mat Pilates Teacher, Body In Flow Pilates

Glen is dedicated to helping you realize your potential through health and fitness. No matter what your fitness goals may be, or your current health status, he will tailor a program to meet your needs. His priority is to achieve results in a safe and fun environment, while empowering you to take control of your own health. He specializes in weight loss, muscle hypertrophy, sports specific training, core stabilization, and the correction of muscle imbalances which result from daily activities.

Glen uses his enthusiasm for fitness to teach early morning boot camps and to inspire young athletes at local high schools. He has an extensive background working with professional fighters and world class athletes. Of course, nutrition is a vital aspect of any fitness program, and after a career as a 5-star chef, Glen also will assist you in creating a nutritional plan.

He believes, "While making health a priority, you can experience true happiness in life."

- Certified Personal Trainer, National Personal Training Institute (NPTI)
- Certified Group Fitness Instructor, Aerobics and Fitness Association of America (AFAA)
- Certified Mat Pilates Teacher, Body In Flow Pilates
- Bachelor of Arts, Cultural Anthropology and Studio Art, Wheaton College, MA

Laura is committed to promoting a healthy and active lifestyle. That includes a balance between training hard, working hard, eating right and remembering to relax and enjoy life every day. She has extensive experience in sports conditioning and training. She was an All American on the Wheaton College Field Hockey team, and is the Coach of the San Francisco University High School Field Hockey team.

Laura is certified in mat pilates, she teaches outdoor boot camps, and is an avid biker and runner. Her sports background lends itself to her intense and efficient training style. She will safely guide you through functional training methods coupled with plyometrics and pilates. She will motivate and excite you into transforming your body and improving your health. Laura believes, "It is important to have fun while getting fit. What's the point if you can't enjoy it?"

- Certified Personal Trainer, American Council on Exercise (ACE)
- Bachelor of Science, Government, U.S. Coast Guard Academy
- Masters of Fine Arts, Creative Writing, San Francisco State University, in progress

Lenny was born and raised in Pittsburgh, PA, moved to San Francisco in ’99, and has over 8 years of experience as a personal trainer. He specializes in strength, conditioning, flexibility and balance for a wide range of sports, outdoor activities and meeting the physical demands of everyday life. His current clients range from the ages of 12-78.

Lenny’s goals are to help people be more active (and enjoy doing it) to enhance their quality of life, improve their capabilities in whatever sport or activity they participate in and develop a stronger mind-body connection. Whether it’s that first 5K or an Ultra, a Land’s End stroll or Half-Dome, one pushup or one hundred, Lenny is ready to help you achieve your goals and perhaps, uncover new ones.

“The First Wealth is Health.” --Ralph Waldo Emerson

- Certified Personal Trainer, American Council on Exercise (ACE)
- Bachelor of Science, Psychology, University of Victoria, Canada
- Extensive experience with rehabilitative physical therapy
- Specialist in work-related ergonimics

Leo has over 8 years of experience as a personal trainer, physical therapy aide and ergonomics consultant in the Bay Area. He believes that mind and body should be integrated in the experience of working out. When you leave the club, you should feel physically invigorated and mentally focused.

He strives to create individualized programs and has a background in yoga-based exercises, rehabilitation and core stabilization.

- Certified Personal Trainer, National Personal Training Institue (NPTI)
- Certified Personal Trainer, National Academy of Sports Medicine (NASM), December 2008
- Certified Group Fitness Instructor, Aerobics and Fitness Association of America (AFAA)

Leslie's passion and excitement for health and fitness is extremely contagious. Born in Hawaii, she has spent her life bouncing between Oahu, Northern California, Aspen, Michigan, Manhattan, and Italy before happily settling down in San Francisco. She earned her BA in classical voice from the Manhattan School of Music. Along with music, weight management, health, and fitness have always been a focus of her energies. She thrives in motivating and inspiring people with an enthusiastic push to help her clients achieve their fitness goals.

Leslie is certified by the National Personal Training Institute as well as in Spin and Mat Pilates. She also teaches an early morning Boot Camp - rise and shine! Her training style incorporates functional and practical methods with high energy circuit training and an emphasis on core stability. She is not afraid to push you to your limits in a safe and fun manner.

- Certified Personal Trainer, American Council of Exercise (ACE)
- Extensive experience with rehabilitation
- Student of reflexology and massage as methods to alleviate pain and discomfort associated with ailments ranging from muscle pain to internal organ dysfunction.

- Certified Personal Trainer, National Academy of Sports Medicine (NASM)
- Bachelor of Science, Kinesiology, San Francisco State University (in progress)

Born in San Francisco and raised in Pleasant Hill, Wil has extensive experience in swimming, having coached for over 10 years. As an athlete, he also enjoys surfing, triathlons, kayaking, skiing, snowboarding and hiking.

"I've been a personal trainer for almost three years now. My training philosophy is 'you get out of it what you put into it.' I believe that physical conditioning is only one tool to reach our fitness goals. I believe in core strength as part of the foundation to reaching any fitness goal. I look forward to helping you reach your fitness goals."