The SSI conferences held every two years promote international collaboration and cooperation, providing a forum for scientists and engineers to discuss fundamentals, innovations and applications in the field of ion transport in solids. The SSI conferences also create an opportunity to exchange new ideas and latest research achievements. We are pleased to announce that the SSI-19 conference will be held in Kyoto from June 2 to 7, 2013 co-organized by The International Society for Solid State Ionics (ISSI) and The Solid State Ionics Society of Japan (SSIJ). The conference will include plenary lectures and invited talks as well as contributed oral and poster presentations on contemporary and emerging topics of Solid State Ionics. You are welcomed to participate in the SSI-19 conference and to have stimulating and active discussion in the beautiful Japanese old capital.