Hi,
I am in. I have used both nix and guix, but I do consider myself a beginner. I am also a plain old researcher in neuroscience, albeit with formal training in software engineering. As such I think I would find it more valuable to spend time figuring out the best way to describe "a best practice" for people like me, onboarding newcomers, and write documentation, rather than figuring out why a Makefile doesn't compile and computer says no. I am also happy to join more experienced users, of course, and follow the flow.
I have timeblocked the whole, and I am relatively free of my own movement, but I can't promise I wouldn't be dragged into some boring meetings. I live in the UK (+1h), and speak English and French. :D
Etienne