Riverfront Fitness Studio 

   Riverfront Fitness Studio


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Amy Pontius
NASM Certified Personal Trainer
Owner Riverfront Fitness Studio
Amy Pontius lives in Petaluma with her husband and two daughters.  She is originally from Southern California but moved to the Bay Area to attend San Francisco State University where she studied and graduated with a degree in Nutrition.   Her husband's job brought them to the North Bay where they have lived for the past 12 years.  After taking some time off to raise her daughters, Amy decided to pursue a certification in Personal Training.  Exercise and nutrition were the key to success when Amy decided to tackle those extra pounds she had put on while raising her kids.  In July of 2014, Amy received her NASM Personal Training Certification.  She has since participated in numerous 5k and 10k races, sprint and Olympic distance triathlons, and half marathon's.  Amy looks forward to sharing her love for fitness and her knowledge in Nutrition with others.  She believes everyone has the ability to achieve a healthy lifestyle.  You just need the motivation and a great support group.
Erin Devincenzi
USATriathlon Certified Coach
Certified Personal Trainer
Owner Riverfront Fitness Studio

Erin Devincenzi lives in Petaluma with her husband and their three children. She is a graduate from the University of California Santa Barbara, she taught elementary school for 11 years. Erin worked as the Program Director for Girls on the Run Sonoma County for 6 years. She is a Certified USATriathlon Coach and Certified Personal Trainer. She currently teaches cycle classes in the community, and coaches athletes for running events from a 5K up to marathon distances and from sprint up to full Ironman distance triathlons. She practices what she preaches, she started running after her second child was born and ran her first marathon before her third child. She has completed at least a marathon a year since 2000 and has participated in many triathlons. Her love for endurance sports helped her complete two Ironman Distance Triathlons and several Ultra Marathons. She is excited to share her love and enthusiasm with people of all levels and help them reap the benefits of living a healthy lifestyle!

Sheila Siragusa
AEA Water Fitness Certified
ACE Certified Personal Trainer
MASHUP Certified Conditioning Coach

For Sheila Siragusa, teaching, coaching and participating in sports and fitness has always been a fun part of her life.  In her youth, she participated in swimming and throughout high school played and coached basketball and volleyball.  In college she participated in intercollegiate basketball and swimming.  While raising her four children, she learned the game of soccer, coached and currently plays in an adult recreation league.  She has completed a few triathlons and half marathons.  On Tuesday mornings and afternoons at Riverfront her enthusiasm for fitness is expressed while teaching cardio strength circuits including an emphasis in balance and agility. She encourages participants to be their best and to challenge themselves.  Fitness is fun and she brings the element of creativity to her workouts!  Lastly, she would like to remind participants of the benefits of keeping our bodies healthy and strong as we live life and partake in "activities of daily living". 

Chris Sliz

Certified Personal Trainer

Chris has always loved sports and exercise.  Her interests have been varied and included racquetball, tennis, softball, trail running and cycling.  Her most recent love is competing in triathlons.  She has earned over 35 finisher medals by participating in half-marathons and triathlons (and is looking forward to earning more as time goes on).  Working as a Personal Trainer for Riverfront Fitness is the ideal position for Chris.  She is able to combine her background in teaching/training with her love of fitness.  Chris' favorite quote: "No matter how slow you go you're still lapping everyone on the couch!". Sign up for one of Chris' sessions - you will laugh, have fun and challenge yourself to do things you didn't believe you could.

Train with Chris on Monday evenings, Friday mornings and Saturdays