The 243rd ECS Meeting and 18th International Symposium on Solid Oxide Fuel Cells (SOFC-XVIII) take place in Boston, MA, from May 28-June 2, 2023, at the Hynes Convention Center and Sheraton Boston. This international conference brings together scientists, engineers, and researchers from academia, industry, and government laboratories to share results and discuss issues on related topics through a variety of formats such as oral presentations, poster sessions, panel discussions, tutorial sessions, short courses, professional development workshops, a career fair, and exhibits.