The 4th Annual CROSS Research Symposium is taking place today and tomorrow with three keynote speakers, Daniela Barbosa (VP World-wide Alliances, Linux Foundation Hyperledger), Joseph Jacks (Founder and CEO, OSS Capital), and Haoyuan Li (Founder, CTO and Chairman, Alluxio), 12 sessions on topics including Reproducibility in Systems Research, Open Science & Open Access, Aspects of Data Management, Programming AI for poets, Storage Systems, Eusocial Storage Devices, Hardware Security, Open Source Hardware Flows, and Data Management within the Storage System, and the 11th UC Santa Cruz Systems Oktoberfest.