Ruth Gordon, Owner

When I was a child, I was not very athletic. In fact, I was typically the last person chosen for kickball at recess. Most recesses, you would find me by the school wall with my girlfriends, taking turns singing lead to the song, “Joy to the World” (ok, I have really dated myself!). My family […]

Colleen Bonta

Colleen loves to share her love for physical fitness and to teach the importance of a healthy lifestyle.  She became certified in Group Exercise and began her career specializing in working with the senior community.  She brought her experience and expertise to CORE Personal Training and Pilates Studio in the fall of 2012 as a […]

Shara Kantz

Shara practically grew up in gyms due to her mother who has been in the fitness industry for over 25 years.  Shara loves to dance and was an avid lacrosse player throughout her childhood and college career.  She had her heart set on being a “HOKIE” and studying aerospace engineering.  It was during a fall […]

Dagmar Kolarska Riddick

Dagmar is a certified Pilates Mat, Reformer & Apparatus Instructor by the Balanced Body University and certified thru Pilates Method Alliance, an internationally recognized Pilates certification.  She is also a certified Yoga Instructor by Yogafit, and a certified Personal Trainer by the Aerobics & Fitness Association of America. In addition, she completed her training for […]

Chris Viggiano

Chris started his fitness journey in the 1990’s, studying Shaolin Kempo Karate.   While studying and teaching the martial arts, Chris gained an appreciation of movement. During this time, he successfully completed his first personal trainer certification at Hofstra University. After earning his black belt in 2000, Chris continued to teach the martial arts and added […]

Michelle Logsdon-Viggiano

Originally from Pittsburgh, PA, Michelle began dancing at a young age and earned a Bachelor of Arts degree in Dance from Mercyhurst University. After sustaining a knee injury, Michelle discovered pilates and moved to Toronto, Canada to become a fully certified Stott pilates instructor. Upon moving to Northern Virginia in 2006, Michelle became a certified […]