Stephanie Lieggi and Mari Silbey will host SOSE 2026, welcoming participants, sharing summit-wide announcements, and guiding transitions throughout the two-day program.
Stephanie Lieggi
Executive Director, OSPO, UC Santa Cruz
Stephanie Lieggi is the executive director of the Center for Research in Open Source Software and the Open Source Program Office at UC Santa Cruz. She led the effort to establish a network of open source program offices across the University of California and helped develop the Open Source Research Experience, a mentorship program for contributors to open-source research projects. She also served as co-principal investigator on UC Santa Cruz’s first NSF Pathways to Enable Open-Source Ecosystems (POSE) grant.
Mari Silbey
Chief Program Officer, National Spectrum Consortium
Mari Silbey is chief program officer of the National Spectrum Consortium and directs the Platforms for Advanced Wireless Research (PAWR) program at US Ignite. PAWR is a $100 million initiative backed by the National Science Foundation and wireless industry partners. At US Ignite, she has helped launch public-private partnerships and convened local leaders to address community connectivity. Earlier in her career, she covered broadband infrastructure and telecommunications as a journalist.