Welcome to the registration page of the joint workshop of the Einstein Telescope Design Study WP2, WP3 and the SFB TR7. This workshop is dedicated to the R&D as well as the design study of a future gravitational wave detector in Europe. We will summarize the current status of the R&D and the progress of the ET Design study. The 3rd day of the meeting will be used as a kick-off meeting for the new transverse working group of ET. Please maken sure that you register with your funding project. For all ET members the travel authorization form can be found here.