A Personal Trainer is a fitness professional who is hired for private instruction. Generally thought to be a commodity afforded only to the rich and famous, a trainer will help his or her employer maintain exquisite physical condition by designing a specialized exercise regiment for said client. Often times they are also dieticians, and can customize healthy meal plans for better eating habits. Often personal trainers become famous themselves because of the celebrities with whom they work. Among some of the well known personal trainers are: