The Atomistic Simulation Center (ASC) is a collaboration between the three National High Performance Computing (NHR) centers Paderborn (PC2), Erlangen (NHR@FAU), and Berlin (NHR@ZIB), providing their combined multifaceted expertise on atomistic simulations. The inauguration symposium celebrates the initiation of the ASC collaboration via a selected compilation of scientifically exciting talks from all areae of ASC-expertise. An overview of the symposium (including a list of invited speakers and a session schedule) can be found on our announcement flyer, which is available for download as PDF file (A3 landscape).