From John's comment (with a few modifications)

Board of Trustees

Led by: (not sure about the label for this role) Presdent, Chairperson , Community Director, ???

Leadership Positions

• Coordinator of Community Planning -- vision -- what do we want to be if we grow up?
• Coordinator of Sustainability -- finance, revenue, advertising(?)
• Coordinator of Community Standards -- policy, standards, etc.
• Coordinator of Special Projects -- what makes sense to try, in the context of the community and its mission?
• WB and/or EB Liason

Board of Management

Led by Director of Operations

Leadership Positions

• Web Site Coordinator -- CMS/Drupal/online presence
• Coordinator of Operational Support -- HELP!
• Coordinator of Security -- I know, nobody wants to do it.
• Coodinator of Future Technologies -- what's next?

Content Producers

Led by Director of Content (Executive Producer?)

Leadership Positions

• Coordinator of Community Education -- Prof dev, WCA?
• Coordinator of Communication -- newsletters, email
• Site Moderator -- forums and stuff
• Archivist -- tagging / organizing content