top of page

FITBK is Brooklyn's #1 source for NO-COST Aerobics, T🔥RCH, Boot Camp, CPT, Nutritional Coaching & The FITBK 90-Day Challenge.

Meet the FITBK team!

Besides making you sweat, our instructors know the importance of having fun while working out! ​You wont want to miss a class with them!



Cassandra is a goal-driven woman with many talents, hobbies and passions. She is currently the Program Director for Brooklyn's popular fitness program FITBK, a mother of two, Freelance Court Stenographer,  Fitness Coach and owner of Cassie's Creations, her own natural skincare line. Cassandra has a passion for living a healthy lifestyle, which she expresses through her fitness and pescatarian lifestyle. Cassandra specializes in dance cardio fitness and strength training. She is a licensed Group Fitness Instructor through AFAA, Athletics and Fitness Association of America.  She has accumulated various CEC's (Continued Education Credits) and certifications. She started her fitness journey as a Zumba Basic instructor and is currently certified in Zumba Sentao, STRONG by Zumba, POUND Workout, Step Aeorbics, Tabata, HIIT, (High Intensity Interval Training) and Insanity. She facilitates classes through the FITBK program, as well as Harbor Fitness, in Brooklyn, New York.


Cassandra has been featured in many media outlets including the YES Network, Brooklyn News 12, NY1, Telemundo, and several other local and regional publications.  She has received awards and citations from her local district leaders and community outreach groups for her contributions and commitment to the community. She believes there is nothing better than loving what you do and knowing it matters. 


FOLLOW @klassywithak 



Kristina is the Program Coordinator for FITBK’s re-occurring 90-Day Fitness Challenge . Kristina also coordinates FITBK's special fitness events and activities including the obstacle course races, awareness walks, Bikram Yoga classes and other community and borough-wide events. Originally from California, Kristina is a health and fitness fanatic who is licensed as a Zumba instructor and facilitates Zumba, Body Torch and Boot Camp classes for FITBK. Kristina holds a certified personal training certificate from the National Academy of Sports Medicine (NASM), and is also certified in Strong by Zumba and Surfset Fitness. Kristina has earned a reputation as a FITBK's "motivator" of living a healthier, clean lifestyle and encourages everyone to conquer their thoughts, and live their best life through the power of positive thinking.


FOLLOW @fitfabandmuscles


Click here to read more about our story!


FITBK ROCKS on social media!
Jump on board and follow us!



Follow our facebook and instagram pages to stay up to date on our latest classes and challenges!


"This program works perfectly for me. I am a diabetic and the exercise is very beneficial.”

“FITBK is a very motivating program.”

“I enjoy coming; this program is a stress reliever; Zumba makes me happy.”

“This program was the best thing that happened to me. Thank you!”

“I hope my church can host these classes.”

“I would like more days for classes.”

“My family has adapted to healthier eating behaviors.”

“I have improved my HDL and LDL cholesterol levels.”

“We need Zumba classes at least 4 days per week.”

“I enjoy coming; this program is a stress reliever; Zumba makes me happy.”

“HCC’s concern about the community and healthy living is very encouraging.”

bottom of page