In a tiered web conference method and system, a presenter is able to add material of the presenter's presentation to the material of another presenter's presentation in real-time and is able to broadcast both presentations to a targeted audience. In one embodiment, a method includes receiving a secondary presentation that adds material to an original presentation, wherein the original presentation is provided by a first user, and the secondary presentation is provided by a second user; and displaying the original presentation and the secondary presentation simultaneously to a target group of viewers.