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Fit & Functional Staff

shermanSherman Rosier, Fitness Professional

Sherman Rosier, a Tallahassee native is owner and founder of Fit & Functional. He has been noted as Tallahassee's fitness expert.
He holds a Degree in Physical Therapy along with being a National Strength and Conditioning Association (NSCA) Certified Personal Trainer, Wellness Coach, NSTA Certified Running Coach, Certified Resist-A-Ball C.O.R.E Instructor, Certified Nutrition Specialist, 1st Degree Black Belt in TaeKwonDo and extensive continued learning courses and workshops related to health and fitness.

Sherman's goal and mission is to Educate, Motivate, and Guide individuals to a healthier lifestyle in which achieving their potential level of fitness. He wants his clients to understand that there are no shortcuts and the 5 major keys to success are:

  • Willingness to Change
  • Understanding What You Need to Change in Your Life Style
  • Setting Action Goals
  • Taking Action
  • Being Consistent with Your Actions and
  • Being Patient with your results

Caroline Busick, AFAA Screen Shot 2015-12-20 at 7.33.54 PM

Caroline Busick is a certified yoga instructor, personal trainer, barre instructor, and has a Master's in Fine Arts. Her instruction combines functional exercises,cardio, pilates, kickboxing, yoga, balance work, and modifications to meet her students' needs. Her style is lighthearted and encouraging with a focus on form and proper alignment to avoid injury. She believes that movement and exercise should be fun and lead you toward more strength, flexibility, and confidence. When she's not teaching, she spends time with her husband Matthew, their cat Charlie, and their dog Tux.


Darius Bell

Darius is a certified personal trainer (ISSA) and group exercise instructor at GroupFit90, Core 7 Performance and Fit & Functional. After working a decade in the automotive industry as a production team member/ergonomic specialist, he chose to pursue fitness. Darius is a Master Instructor in Dynamic Variable Resistance Training (DVRT) aka Ultimate Sandbag Training, TRX (STC and Group), National Academy of Sports Medicine (NASM) : Fitness Nutrition Specialist (FNS), Corrective Exercise Specialist (CES) and pursuing Performance Enhancement Specialist (PES) to become a NASM Master Trainer. Also working toward a degree in Athletic Training at Valdosta State University to become more awesome than he already is, go COACH D!


ninaChristina “Nina” Raymond, A.C.E. Personal Trainer, AIS Therapist LMT (#39331)

Nina has college degrees in Botany and Wetland Ecology, and she used that knowledge in her professional career to restore native vegetation on disturbed lands. Her hobby is learning native medicinal and edible plants.

For the past 15 years, Nina’s primary modality has been Active Isolated Stretching (AIS). She was inspired to master AIS after Aaron Mattes (inventor of AIS), in just 2.5 hours, applied AIS therapy to successfully eliminate Nina’s humpback that resulted from auto accidents. With her new lease on life, Nina then apprenticed with Mattes for 3 years in his clinic to master his work. She is an assistant instructor at Mattes’s AIS seminars and teaches AIS classes for specific needs, such as yoga preparation, rehabilitation, posture improvement, and athletic conditioning.


Vinicius Mariani

Vinicius Mariani (Vini) is a NASM certified personal trainer since March of 2017. In December of 2017, he graduated from Hannibal LaGrange University with a degree in Exercise Science. Besides that, he is TRX certified instructor in TRX Suspension Training and TRX Group Training.

Furthermore, Vini spent his whole life playing soccer. He played around the world before he came to the United States to get his undergraduate degree. Mariani played soccer for four years in college as well, and coached kids of the area. In a few years, he wants to obtain his master degree in Exercise Physiology.

Welcome to the team Vini.

Jennifer Tramel LMT (#82504) jennifer

Jennifer is a certified massage therapist. She graduated from Gwinnett College in Atlanta, Georgia. She had been in her career for 3 years & has a real passion for massage. She specializes in deep tissue, neuromuscular therapy, & trigger point. Jennifer ultimate goal is to better people & educating them on how the body works. She wants them to know the benefits of what massage can do. When she isn't doing massage, she spends her time working out & being around family.