The Jet Propulsion Laboratory and University of California at Irvine will be hosting the second ISSM workshop on December 10-12th, 2012. The workshop will feature invited talks, a poster-session, technology oriented presentations, and tutorials on the Ice Sheet System Model software. The invited talks and poster session will address issues and challenges specific to modeling of Cryospheric processes. The tutorials will be directed toward beginners and first-time users on day 1, and toward more advanced users and applications on days 2 and 3. Everyone is welcome to attend all sessions, or just a subset of them.