On behalf of the President, Local Organizing Committee, and Program Committee of the International Society for Cerebral Blood Flow and Metabolism (ISCBFM), we wish you a warm welcome to BRAIN & BRAIN PET 2022, the 30th International Symposium on Cerebral Blood Flow, Metabolism, and Function in conjunction with the 15th International Conference on Quantification of Brain Function with PET to be held in Glasgow UK from 28 May – 1 June 2022.