“According to Don Norman, the human centred design process starts with a good understanding of people and the needs that the design is intended to meet.” Dan Nessler of Hyper Island who has created a much better design process that you should definitely look at.
About Creating Great Product Experiences
Brian Tod

cheers for that mention! I feel humble! since you are a lean startup fan you might want to look at this post ;-) https://uxdesign.cc/how-to-mash-up-and-benefit-from-pm-and-hcd-ux-design-thinking-89ea28f47a63