Owner and Instructor:
Stef Sleczkowski
Stef (Mrs. S) is from Santa Maria, California and has bounced back and forth from the West Coast to the East Coast. Most of her dance training was in California, where she began training in all the classical styles of dance at the age of three. She grew up performing in numerous recitals, The Nutcracker, and competitions in the L.A. area. She went on to audition and accept an offer with the Claire Trevor School of the Arts at UC Irvine, which is one of the top college dance schools in the nation.

After receiving a bachelor's degree in dance, she cheered for the Patriots for one season and performed at Super Bowl 49 against the Seahawks. She then transitioned from performer to coach, and coached Varsity cheerleading at a local high school near her hometown. This led to an interest in school teaching. She then attended Brandman University, where she received a teacher's license in physical education and health science and taught in the public school setting for several years.

She began taking Zumba classes as an after-work hobby that quickly turned into more! She obtained her Zumba license, incorporated more dance and Zumba into her P.E. classes, and began to host/help at Zumba events here in Western Massachusetts. As she continues operating her studio, you can also spot her as the "Academic Support Coordinator" in the Class Deans' office at Amherst College during the daytime hours!

Additional performances and works include the following: host of the Adult Zumba Summer Intensive, Zumba Kids World Tour hosted by Stephanie Sanabria, Encore Dance Academy, Newport Platinum Dance Academy, World Class Cheer, Huntington Beach Playhouse's Seussical the Musical, and freelance choreography for St. Joseph High School Dance Team and Righetti High School Dance Team and JV Cheer.

Dance Instructor:
Bella Brown
Hello, my name is Annabella Brown! I am a student at Granby Junior Senior High School, where I am a member of the volleyball and lacrosse teams. One of my biggest passions is dance, and I have danced for a total of 12 years. I'm happy to be fostering that passion onto young dancers. I hope dance impacts their lives just as much as it did for me.

I have traveled to NYC for dance and was a member of the dance company at Footloose Dance Studio here in Western Massachusetts. Building friendships and learning from those around me helped me grow into the, now teacher, that I am today. I hope to see you and your kids at FITnesse soon!
Zumba Instructor:
Angela Wetzel
Angela was born and raised in Scotland. She grew up with a love of dance; studying ballet, tap, and jazz throughout her childhood. As a teenager, she accompanied her Mum to line dancing classes. This led to her placing in the top 10 of a national choreography competition. She discovered Zumba in 2010 when a friend invited her to work out with her along to a DVD. It was what she had been searching for for a long time, a workout that was fun and energizing that didn't feel like exercise. She continued her journey as a Zumba student, taking Zumba classes internationally, and getting involved in many Zumbathons, until an opportunity presented itself in 2019 to get certified to teach. Without hesitation, she was signed up and ready to take the next step: to bring her passion for Zumba to others.

Soon after becoming certified, gyms started closing due to the pandemic, so she first started teaching through Zoom. As gyms started opening again, she found teaching and subbing opportunities locally. She teaches each week at the Scantic Valley Y, and was delighted to join the FITnesse team in September 2022.

Ready for new challenges, Angela got certified in Aqua Zumba in July 2021, and most recently in Strong Nation in March 2022.

She enjoys nothing more than getting to teach after a long day at the office. She is the office administrator for an Edward Jones Investments branch. She is also mom to 3 boys, a dog and a cat. In her leisure, she enjoys traveling to new places, getting lost in a good book, and exploring nature.

She looks forward to welcoming you to her class Tuesdays at 6:15pm!
Dance Instructor:
Bri Haley
Briana is a senior at Belchertown High School, where she plays for the Varsity soccer team. Briana has been dancing since the age of 3 and started dancing competitively at the age of 8. She holds a regional dance title with DDA. The last 4 years she has been teaching dance to kids ages 4-10 at a studio in Western Massachusetts. Briana dances a large variety of styles. She is looking to pursue a career in the dance field after graduating high school. Briana wants to share the passion and excitement she has for dance with her students.   
Zumba Instructor:
Marissa Morrissey Gladstone
Our newest FITnesse Zumba instructor! Bio coming soon!