All AR-Fit trainers hold university degrees in health and fitness or science-related subject areas, as well as first aid and CPR/AED certifications. In addition, all are certified strength and conditioning specialists or certified personal trainers. In other words, they know their stuff.

Jason Sylvester, CSCS
Owner & AR-FIT Trainer

Owner and head trainer Jason Sylvester, who purchased Athletic Republic Norwood in April 2016, has been with the facility since it opened in 2009. He also holds his CSCS (Certified Strength Conditioning Specialist) through the NSCA since 2009. An Ithaca College graduate with a degree in clinical exercise science, Sylvester interned at Athletes' Performance in Gulf Breeze, FL before joining BlueStreak Sports Training, an Athletic Republic affiliate in Stamford, Conn. He’s worked with NFL, MLB, semi-pro basketball, tactical, DI and III athletes, as well as active adults. You can always find him at the facility teaching morning and Friday/Saturday classes!


Danielle Cassidy, Athletic Republic Level 3
Sports Performance Coach & AR-FIT Trainer

A Curry College grad of May 2014 Danielle Cassidy does it all at Athletic Republic. A health major with a concentration in athletics and a minor in biology, Danielle is a certified personal trainer and multi-sport athlete. To prepare for a career as a trainer, Danielle interned at a few different high schools during her college career, working with both high school and college strength and conditioning coaches. Danielle is currently studying for her CSCS certification, widely regarded as the gold standard in the field of strength and conditioning. Upon receiving her bachelor's, she officially joined the staff in June 2014. Danielle runs all of our night classes at AR-Fit and can always be found around the facility during the week!


Michelle Lounsbury, NASM
Sports Performance Coach & AR-FIT Director

Michelle holds a Bachelor of Science in Kinesiology from University of Maine Orono as well as a Master of Education with a concentration in Strength and Conditioning from Springfield College. Michelle is a certified Performance Enhancement Specialist through the National Academy of Sports Medicine as well. After graduating from Springfield College, she spent several years working under Mike Boyle training professional athletes from the NHL, AHL, NFL and NLL as well as College, High School and Youth athletes.  After receiving vast amount of knowledge through Boyle, she began working at the Boston Athletic Club. While there, she Managed the Group Exercise department, continued to train athletes and excelled as a Personal Trainer for over 5 years. Following a relocation back to Maine with her husband, she had the fortunate task of becoming Head Strength and Conditioning Coach at Fryeburg Academy, a private High School in Maine. Michelle is thrilled to be back directing the AR-Fit adult training group and pushing every member to reach their full potential.  Michelle resides in Sharon with her husband Jon and two daughters Olivia and Iyla.


Cam Borrelli
Sports Performance Coach & AR-FIT Trainer

Cam Borrelli played Division 3 baseball at Framingham state and was the 1st basemen and the designated hitter. He graduated FSU in the fall of 2018 and graduated as a bachelor in science of food and nutrition and a concentration of health and wellness. Cam has a passion for fitness and is in the process for becoming a CPT before summer.