How To Write A Good Personal Trainer Bio . Demonstrate an understanding of and relate to your client’s needs and goals. Focus on a couple of traits that you think are the most relevant so the reader understands why you're the best choice for them. How to Write a Bio For Your Personal Trainer Website's About Page My from www.mypersonaltrainerwebsite.com Complete with testimonials, experience levels, and a brief trainer bio here are 6 ways to improve your professional fitness bio as a personal trainer 1. Here are six tips for creating a professional personal trainer bio that interests clients: Don't be afraid to share anything else that may help to humanize your bio.