On behalf of the Organizing Committee, we are delighted to invite you to participate in the 5th International Conference on High Performance Big Data and Intelligent Systems (HDIS 2023), to be held in Macau, China, during December 6-8, 2023. HDIS 2023 will provide an effective platform for professionals, scientists, engineers, educators, students, and researchers worldwide to share and exchange their scientific ideas, views, innovations and experiences in the vast areas of High-Performance Computing, Big Data and Intelligence Systems with fellow researchers and participants. The conference features a dynamic program incorporating a range of academic, technical and industrial related keynote speakers, oral and poster presentations. We warmly invite you or anyone interested in the area, to take part in this unique and timely conference with your enthusiasm to develop, your desire to apply, and your willingness to mature the High Performance, Big Data and Artificial Intelligence technologies and applications.