UX support/input working with disabled people to help design the next version of the fastest text entry system

A google employee did some UX research with us - and worked on this - https://github.com/dasher-project/dasher-design-guide/tree/main/ux-background its great but we have a lot of questions eg settings panels - and how these work. Bear in mind we are building on iOS, Windows, Linux and even on things like Apple Vision. We have a LOT of settings. Some work has been done to whittle this down. Before we get users testing new builds we want someone to lead our UX work with us to collect data and follow up with clients who are all around the world and help iterate the development. Its fun!