Weight Loss – Instructors


Charlotte Klein had struggled with weight problems for many years. She went to Weight Watchers and lost 30 pounds. Regrettably, she gained it all (plus some) back and was miserable. Charlotte participated in the earliest Resolutions program and lost 50 pounds. She has successfully maintained her weight loss for over 10 years using the original and improved techniques from this program. Charlotte is an R.N. and a Certified Nutrition and Wellness Consultant.

529-1766 (cell)


Fitness Director
Certified Personal Fitness Trainer
Certified Pilates Reformer Trainer
Group Fitness, Mat Pilates, Indoor Cycling Instructor

Sonya joined the instructor team at Petaluma Valley Athletic Club in 2000. She has over 30 years of experience in the health and fitness industry as a fitness company owner, personal trainer, Pilates instructor, and fitness instructor. She has developed and implemented fitness program profiles for communities and Air Force Bases in Massachusetts, Texas, and California.

With Sonya expect the ability to get real and efficient results.  She’s helped many people completely change their lives by transforming their body and overall wellness.  She’s worked with clients of all ages, both men and women alike.  Workouts are designed and customized to fit your schedule, areas of focus, and desired goals in order to reach your ideal fitness level.  Training programs include variations of strength and resistance exercises, core and balance, interval training, flexibility, endurance, plyometrics, and various other training techniques to ensure you remain challenged and immersed in your workouts.

Sonya has competed in numerous triathlons and adventure races in Northern California. She has been the Fitness Director for PVAC since February 2005.

“Personal fitness is a balance that exists between mind, body, and soul.   Optimal health happens when all three thrive in harmony.  The journey to find this balance is ongoing and, regardless of our age, the process gives us the opportunity to continually grow and learn.”

(707) 695-9449


Jamie truly is one of our own.  She joined Petaluma Valley Athletic club after having her third child. While struggling to lose the weight, she dedicated herself to the working hard, eating healthy and committed herself to classes and personal trainers. After losing almost 20 lbs., Jamie realized her desire to help others.  With the support of friends and family, she became a Certified Person Trainer. With her interest in functional training she went on to receive a certification in Biomechanics. Jamie has a passion for the fitness and enjoys researching and learning new forms of cardio and muscular strengthening techniques to share with her friends, family and clients.

(707) 732-3586