Welcome to Fit and Functional! Fit and Functional is the premier online Trainer Location Service and Personal Trainer Education Center. We have been educating trainers and connecting qualified trainers with clients for over 15 years. All personal trainers and gyms approved by Fit and Functional exceed the industry standard. All approved candidates have completed our education program and have been screened by our CEO, Charles DeFrancesco. Charles has been a leading expert in the industry and expert witness for over 15 years.