People have become more reliant on the availability of open government data (OGD) for their everyday lives. More countries have recognized that the OGD is of the essence not only in enhancing public service and living standard, but also in spurring national growth and development. To make the most of the opportunities and benefits derived from OGD, how can governments secure their long-term soundness with their open data policies and governance infrastructure? This Case Study showcases the latest OGD policies and practices in the Republic of Korea, offering valuable insights into a sound OGD governance model with constructive open data initiatives