Not if you are the billing owner of the workspace. At the moment you are stuck with a hanging workspace forever.
Crickets from Marie. If you’re the only member (billing owner) good luck leaving workspaces. Asana is at the same time both a world class piece of software for teams and a half-finished product.
Welcome, @John_Xie,
@Marie’s earlier answer in this thread is the solution: Email support@asana.com:
Thanks,
Larry