what qualifications do a gym general manager needs
1 A New Jersey fitness group needs general and assistant fitness managers who can oversee the personal training department. 2  They'll also need to meet biweekly revenue and client retention goals. 3  Minimum qualifications include personal training certification or a fitness-related degree.itness managers use their sales skills and knowledge of exercise science to ensure that a personal training department helps a gym or fitness center meet its bottom line.