It is with great sadness that we inform you of the passing of the founder and chair-person of DEXA series of conferences and workshops Prof. Dr. Roland Wagner on January 3rd, 2020. Prof. Wagner's leadership and dedication wove the way to the growth of DEXA during the last 30 years into this impressive international assembly. He will be dearly missed. Please keep Prof. Wagner’s family in your thoughts as they go through this difficult time.