Complex sentence: Discussions that may result in disciplinary action against volunteer editors take place in a private forum which can only be accessed by ODP's staff, meta editors and volunteer editors who are being discussed are not given notice that such proceedings are taking place.
Split into simpler sentences: Discussions that may result in disciplinary action against volunteer editors take place in a private forum which can only be accessed by ODP's staff and meta editors. Volunteer editors who are being discussed are not given notice that such proceedings are taking place.