This document summarizes a presentation on improving data interoperability in public libraries. It discusses the Measures that Matter initiative to standardize key library data collection efforts and elements. It introduces the Public Library Data Alliance, which aims to advance data gathering and use so libraries can better align services with community needs. The presentation notes that while data is currently collected, common definitions, platforms and interoperability standards are needed to enable real-time decision making and enhance data quality, security and analysis. Examples of relevant data standards from education are provided. The document concludes by discussing Wisconsin's framework for library data governance and opening the discussion on the path forward for public library data.