responsible staff means a group or a team or any department who takes care of planning and running the project. Team members or leaders are assigned to be in charge of controlling or operating in each working step. Under each team members/leader ,there might be a list of operators who directly get involved in jobs.
there are no specific formats to write responsible staff. One can create the way how to write by oneself. The language used in writing this part is focused on noun phrases as the following examples.