We invite all J-PAS members to the 17th J-PAS Collaboration Meeting. The meeting will focus on the science exploitation of pathfinder data, as well as on the preparation of the J-PAS survey strategy. The meeting will take place in the main lecture hall of the Institute of Agricultural Sciences (ICA), located in the main CSIC campus (Madrid). It will start on Monday the 20th of May, at lunch time, and finish on Thursday the 23rd.