UI GreenMetric represented Universitas Indonesia in IREG 2019 Conference, on 8-10 May 2019 at the Università di Bologna, Italy with Prof. Riri Fitri Sari as the representatives. The year’s conference themed Rankings: A Challenge to Higher Education. The conference opened by Mr. Luiz C. Costa (President of the IREG Observatory on Academic Ranking and Excellence), Mr. Francesco Ubertini (Rector of the University of Bologna), and Mr. Gaetano Manfredi (Rector of the University of Naples). Mr. Jaroslaw Gowin (Deputy Prime Minister of Poland and Minister of Science and Higher Education) also delivered a keynote speech about Rankings: a Challenge to Public Policy? Reflections from Poland’s Perspective. He said that the ranking must provide reliable data and information.   [caption align="aligncenter" width="900"]Figure 1. Presentation session in IREG 2019 Conference[/caption] There were three sessions on the first day of the conference presented by the ranking experts and researchers: The first session discussed about Trend and New Developments in Global and National Rankings, Use of Rankings in Developing University Strategy, and Future of Rankings - From Bibliometrics to Global Performance Metrics. On the next day the topics of discussion were about Influence of Media on Rankings and Role of rankings in Latin America. [caption align="aligncenter" width="900"] Figure 2. Mr. Luiz C. Costa gave achievement medal to Prof. Jan. Sadlak (top) and Mr. Robert Morse (bottom) [/caption] [caption id="attachment_6932" align="aligncenter" width="900"] Figure 3. Prof. Riri Fitri Sari with delegations of IREG 2019 Conference [/caption] Another important event in IREG 2019 Conference was the General Assembly, opened by Mr. Luiz C. Costa. He reported activities conducted by IREG Observatory for one year. The event closed with the awarding of an achievement medal to the former president of the IREG Observatory, Prof. Jan Sadlak and Chief Data Strategist of US News On-line Ranking, Mr. Robert Morse.