I need a template designer

Hello, I am a personal trainer. I would like to get document templates for my different program styles. I am looking to have a standard program template that I can save to my computer but customise and edit with ease to fit each client. For example I would want multiple different templates, for strength training, goal setting, weekly food diary, and for our already created client agreement and pre exercise questionnaire to be customisable. Below are some of the templates that I would like to make customisable