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Fitness Instructors


Lizbeth Acaro Headshot


Lizbeth is a fitness instructor and team leader. Her major is biology and she is on track for PT school. She comes from an Ecuadorian background, therefore she is bilingual speaking English and Spanish fluently. She believes that exercising is more than a way to get out of the routine, it is also taking care of your own body and mind, getting the strength and energy to continue working and studying daily. Lizbeth is really excited to start working as a fitness instructor and to meet you all.

Sierra Klaassens Headshot


Sierra has been teaching Pink Gloves Boxing since Fall 2021 and is a Fitness Team Leader. She  has enjoyed taking classes at the Recreation Center since Fall 2020. As a senior, Sierra is finishing her undergraduate degree in Psychology and Sociology with plans to pursue a career in Clinical Psychology. Sierra enjoys the welcoming atmosphere of group fitness and the various opportunities to exercise with new people.



Subhadra is a Pink Gloves Boxing (PGB) instructor. She is a junior political science and social work double major on the pre-law track.  She has a passion to build a community on the basis of comfortability and growth through teaching.  She loves to sing and write music and is always excited to meet new people.



Ariana is a doctoral student in the Psychology Department at Stony Brook University. Alongside a background in dance, she is a certified Vinyasa Yoga Instructor seeking to share movement with as many people as possible. Above all else, she enjoys pushing up against the boundary of the physical and mental realms and creating a safe space for others to explore it as well.
Anthony Dicrescento Headshot


Anthony is a senior at Stony Brook. He will be attending Physical Therapy school here at Stony Brook for the next 3 years. He enjoys being a group fitness instructor because he loves how interactive the classes can get. Throughout the semester, you really get to know the attendees of your classes, and seeing them reach their fitness goals is always a bonus. He can't wait to see everyone at his classes.

Rachel Liu Headshot


Rachel is a freshman mathematics major and planning to be on the education track! She has done recreational dance since she was 4 years old and love learning and performing choreography. She loves the feeling of dancing to good music and having fun, and would love to share that with others. She is excited to start working as a new fitness instructor and make new memories with others!

Maya Duclay Headshot


Maya is from Long Island and is a commuter student. In addition to spinning, she plays field hockey and is the president of the field hockey club! She enjoys being an instructor because she loves to spread to joy of fitness to others.

Melanie Cragan Headshot


Melanie started spin because she loves biking, but stuck with it because it's fun in an entirely different way. She enjoys exercising for the mental and physical benefits, and thinks that group fitness is a wonderful practice for people of all fitness levels to work out together and uplift each other.

Daisy-Ann Norman headshot


Daisy-Ann enjoys taking group fitness class like spin and yoga! She has lived in South Africa, Ghana and South Korea. Although a senior at StonyBrook, this is her first semester teaching a group fitness classes. She is so excited to start working as a new group fitness instructor because she enjoys teaching!

Julianna Headshot


Julie is a sophomore Health Science Major with the hopes of having fitness and exercise be a part of her career. She loves the active lifestyle due to its healing capabilities (on mental and physical health). She believes that fitness is meant to be personal; the best way to stay consistent is to find ways to stay active that are enjoyable and therefore sustainable. That's why she fell in love with Spin! It never gets monotonous and you can personalize each ride to however you'd like.

Aylen Massullo headshot


Aylen is a senior majoring in health science. She  enjoys taking group kickboxing classes as it keeps her engaged and motivated to keep going while meeting new people. As a group fitness instructor she enjoys working out together in a welcoming environment and getting to know everyone. She looks forward to meeting everyone in class and to progress in our fitness journeys together.

Gabrielle Charleston headshot

Gabby C.

She is a fun, caring, older sister type of instructor. She gets great satisfaction from making a small difference in someone's life by teaching them to box. She is thankful for every student that steps through the doors with the excitement and willingness to learn.