If you don't follow Start.coop, you should. They have a great newsletter that is jam-packed with great resources.
In this month's newsletter, they announced their new Job Board, a place to easily find and share cooperative job opportunities. I am often asked by co-ops where to post job openings - especially for the role of GM. Seems to me like this would be a great place to post those kinds of jobs.
Learn more at Start.coop.