As a group fitness instructor and personal trainer, Karen has been able to share her passion for health and fitness with all of her clients. She teaches with energy and enthusiasm, and will challenge you to push yourself and reach beyond your comfort zone. Karen has found an appreciation for the intense focus and intention behind the Megaformer workout. Her students will thrive on her strong teaching style, emphasis on form and offering an environment where they can tap into their true potential. You will leave her class feeling energized, confident and pumped after grooving to her upbeat music mixes!

teresa cota

Teresa is a native New Yorker who graduated from Manhattan College with a degree in Marketing, and as always had a love of all things fitness and exercise. A former competive gymnast, avid runner and barre instructor, she was looking for something new to really challenge her body and mind and found it on the Megaformer! From her very first class at SLT she knew this was a class she wanted to teach! Teresa is super excited to bring her love of SLT to NYC and Long Island!

casidhe streeff

Being a artist, certified art educator and having a dance background, Casidhe was naturally drawn to the art of Pilates and teaching. Casidhe is a certified Pilates Full Comprehensive and Barre instructor, where she studied under mentors 2nd generation to Joesph Pilates. She instantly fell in love with the Megaformer and SLT! SLT has given her the opportunity to tie together her love of Pilates, fitness and teaching. Teaching her cliental how to connect the mind and body, while getting a fun and challenging workout, is Casidhe’s main goal and what she strives to bring to every one of her classes.


Lesley began her career as a pharmaceutical sales representative.  7 years and 2 little girls later, she rediscovered her passion for fitness and nutrition. Lesley is a high energy, motivating and positive instructor who is dedicated to inspiring her clients and giving each participant the best workout possible based on their abilities.  If you are a beginner or know the Megaformer like an old friend, Lesley will challenge you, empower you to feel confident in your body and leave you wanting more!