The 2018 STI conference will be held 12-14 September 2018 in Leiden (The Netherlands) in collaboration with the European Network of Indicator Developers (ENID), and will be hosted by the Centre for Science and Technology Studies (CWTS) at Leiden University. This edition will have a special focus on the discussion of “indicators in transition” as a driving force for more comprehensive, broader and socially oriented forms of Science, Technology and Innovation indicators and evaluations. The aim of the conference is to promote a reflection on the need for more comprehensive and contextualized STI indicators. The conference aims to offer an international platform to propose and discuss more comprehensive approaches and indicators in the study of Science, Technology and Innovation.