User:SOTO/Forum Archive/The Panopticon/@comment-26975268-20130201045831/@comment-188432-20130219002707

Yep, only one. The highest one, which in this case is PUM. (Generally speaking, the highest position is also the one that gives the most authority and the one they had the latest in their career. Most people don't become a director and then accept a role as a production assistant.)