i could probably join sometime sunday evening, though i don't really have any of the skills you list (i've started a few social enterprises, so i guess i'm an ok bookkeeper..)
mostly i'm interested in the structure, how currency is created and how its value is communicated to users and nonusers.
happy to help however i can (what will you be using, slack?), but if asking lots of questions would get in the way of a prototype getting done, i can save it for another forum.
thanks for the work you do!